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1. Applying a Dynamical Systems Model and Network Theory to Major Depressive Disorder

Author

Kossakowski, Jolanda J, Gordijn, Marijke C M, Riese, Harriette, and Waldorp, Lourens J

Subjects
Physics - Physics and Society, Statistics - Other Statistics
Abstract

Mental disorders like major depressive disorder can be seen as complex dynamical systems. In this study we investigate the dynamic behaviour of individuals to see whether or not we can expect a transition to another mood state. We introduce a mean field model to a binomial process, where we reduce a dynamic multidimensional system (stochastic cellular automaton) to a one-dimensional system to analyse the dynamics. Using maximum likelihood estimation, we can estimate the parameter of interest which, in combination with a bifurcation diagram, reflects the expectancy that someone has to transition to another mood state. After validating the proposed method with simulated data, we apply this method to two empirical examples, where we show its use in a clinical sample consisting of patients diagnosed with major depressive disorder, and a general population sample. Results showed that the majority of the clinical sample was categorized as having an expectancy for a transition, while the majority of the general population sample did not have this expectancy. We conclude that the mean field model has great potential in assessing the expectancy for a transition between mood states. With some extensions it could, in the future, aid clinical therapists in the treatment of depressed patients., Comment: arXiv admin note: text overlap with arXiv:1610.05046

Published
2018

2. Mean field dynamics of graphs I: Evolution of probabilistic cellular automata for random and small-world graphs

Author

Waldorp, Lourens J. and Kossakowski, Jolanda J.

Subjects
Statistics - Applications, Nonlinear Sciences - Cellular Automata and Lattice Gases, Physics - Physics and Society
Abstract

It was recently shown how graphs can be used to provide descriptions of psychopathologies, where symptoms of, say, depression, affect each other and certain configurations determine whether someone could fall into a sudden depression. To analyse changes over time and characterise possible future behaviour is rather difficult for large graphs. We describe the dynamics of networks using one-dimensional discrete time dynamical systems theory obtained from a mean field approach to (elementary) probabilistic cellular automata (PCA). Often the mean field approach is used on a regular graph (a grid or torus) where each node has the same number of edges and the same probability of becoming active. We show that we can use variations of the mean field of the grid to describe the dynamics of the PCA on a random and small-world graph. Bifurcation diagrams for the mean field of the grid, random, and small-world graphs indicate possible phase transitions for certain parameter settings. Extensive simulations indicate for different graph sizes (number of nodes) that the mean field approximation is accurate. The mean field approach allows us to provide possible explanations of 'jumping' behaviour in depression.

Published
2016

3. Mean Field Dynamics of Graphs II: Assessing the Risk for the Development of Phase Transitions in Empirical Data

Author

Kossakowski, Jolanda J, Gordijn, Marijke CM, Riese, Harriette, and Waldorp, Lourens J

Subjects
Statistics - Applications
Abstract

Psychological disorders like major depressive disorder can be seen as complex dynamical systems. By looking at symptom activation patterns, we can investigate the dynamic behaviour of individuals to see whether or not they are at risk for sudden changes (phase transitions). Here, we show how a mean field approximation is used to reduce a dynamic multidimensional system to one-dimensional system to analyse the dynamics. Using maximum likelihood estimation, we can estimate the parameter of interest which, in combination with a bifurcation diagram, reflects the risk that someone has for experiencing a transition. After validating the proposed method with simulated data, we apply this method to three empirical examples, where we validate our method using data that contains a transition, and where we show its use in a clinical and general sample. Results show an increased risk for a transition when the transition actually occurred, and that members of both the clinical and general sample were not susceptible to transitions from a healthy to a depressed mood, or vice versa. We conclude that the mean field approximation is valid to assess the risk for a transition, and could in the future aid clinical therapists in the treatment of depressed patient., Comment: The paper is changed and has a different title, thus we submitted the new version as a new preprint

Published
2016

7. Network Models to Organize a Dispersed Literature: The Case of Misunderstanding Analysis of Covariance

Author

Derks, Koen, primary, Burger, Julian, additional, van Doorn, Johnny, additional, Kossakowski, Jolanda J., additional, Matzke, Dora, additional, Atticciati, Ludovica, additional, Beitner, Julia, additional, Benzesin, Viket, additional, de Bruijn, Anne L., additional, Cohen, Tara R. H., additional, Cordesius, Elisa P. A., additional, van Dekken, Marit, additional, Delvendahl, Nora, additional, Dobbelaar, Simone, additional, Groenendijk, Eva R., additional, Hermans, Merel E., additional, Hiekkaranta, Anu P., additional, Hoekstra, Ria H. A., additional, Hoffmann, Agnes M., additional, Hogenboom, Sally A. M., additional, Kahveci, Sercan, additional, Karaban, Irina J., additional, Kevenaar, Sofieke T., additional, te Koppele, Jurriaan L., additional, Kramer, Anne-wil, additional, Kroon, Emese, additional, Kucharský, Šimon, additional, Lieuw-On, Ricardo, additional, Lunansky, Gaby, additional, Matzen, Timo P., additional, Meijer, Annemarie, additional, Nieper, Annika, additional, Nooij, Laura de, additional, Poelstra, Leonie, additional, van der Putten, Wikke J., additional, Sarafoglou, Alexandra, additional, Schaaf, Jessica V., additional, van de Schraaf, Sara A. J., additional, van Schuppen, Steven, additional, Schutte, Manon H. M., additional, Seibold, Mitja, additional, Slagter, Scarlett K., additional, Snoek, Aishah C., additional, Stracke, Selina, additional, Tamimy, Zenab, additional, Timmers, Bram, additional, Tran, Han, additional, Uduwa-Vidanalage, Elizabeth S., additional, Vergeer, Laura, additional, Vossoughi, Linos, additional, Yücel, Dilan E., additional, and Wagenmakers, Eric-Jan, additional

Published
2018
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10. Estimating the reproducibility of psychological science

Author

Anderson, Joanna E., Aarts, Alexander A., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahník, Štěpán, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Brüning, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Conn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Alvarez, Leslie D Cramblet, Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Penna, Nicolás Delia, Den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernández-Castilla, Belén, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Glöckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O Y, Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jäkel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer A., Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniël, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana B., Le Bel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, MacKinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E. J., Matacotta, Josh, Mathur, Maya, May, Michael, Mechin, Nicole, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Möschl, Marcus, Motyl, Matt, Müller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Nicolas, Gandalf, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michèle B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, René, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, H. Colleen, Skorinko, Jeanine L M, Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, Te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valášek, Milan, Van't Veer, Anna E., Van Aert, Robbie, Van Assen, Marcel, Van Bork, Riet, Van De Ven, Mathijs, Van Den Bergh, Don, Van Der Hulst, Marije, Van Dooren, Roel, Van Doorn, Johnny, Van Renswoude, Daan R., Van Rijn, Hedderik, Vanpaemel, Wolf, Echeverría, Alejandro Vásquez, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, Zuni, Kellylynn, Anderson, Joanna E., Aarts, Alexander A., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahník, Štěpán, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Brüning, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Conn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Alvarez, Leslie D Cramblet, Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Penna, Nicolás Delia, Den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernández-Castilla, Belén, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Glöckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O Y, Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jäkel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer A., Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniël, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana B., Le Bel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, MacKinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E. J., Matacotta, Josh, Mathur, Maya, May, Michael, Mechin, Nicole, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Möschl, Marcus, Motyl, Matt, Müller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Nicolas, Gandalf, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michèle B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, René, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, H. Colleen, Skorinko, Jeanine L M, Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, Te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valášek, Milan, Van't Veer, Anna E., Van Aert, Robbie, Van Assen, Marcel, Van Bork, Riet, Van De Ven, Mathijs, Van Den Bergh, Don, Van Der Hulst, Marije, Van Dooren, Roel, Van Doorn, Johnny, Van Renswoude, Daan R., Van Rijn, Hedderik, Vanpaemel, Wolf, Echeverría, Alejandro Vásquez, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, and Zuni, Kellylynn

Abstract

Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of original effects, representing a substantial decline. Ninety-seven percent of original studies had statistically significant results. Thirty-six percent of replications had statistically significant results; 47% of original effect sizes were in the 95% confidence interval of the replication effect size; 39% of effects were subjectively rated to have replicated the original result; and if no bias in original results is assumed, combining original and replication results left 68% with statistically significant effects. Correlational tests suggest that replication success was better predicted by the strength of original evidence than by characteristics of the original and replication teams.

Published
2015

11. Estimating the reproducibility of psychological science

Author

Aarts, Alexander A., Anderson, Joanna E., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahnik, Stepan, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Bruening, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Cohn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Alvarez, Leslie D. Cramblet, Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Della Penna, Nicolas, den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernandez-Castilla, Belen, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Gloeckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O. -Y., Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jaekel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer, Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniel, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana, LeBel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, Mackinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E. J., Matacotta, Josh, Mathur, Maya, May, Michael, Mechin, Nicole, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Moeschl, Marcus, Motyl, Matt, Mueller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Gandalf, Nicolas, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michele B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima-Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, Rene, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, H. Colleen, Skorinko, Jeanine L. M., Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valasek, Milan, van 't Veer, Anna E., Van Aert, Robbie, van Assen, Marcel, van Bork, Riet, van de Ven, Mathijs, van den Bergh, Don, van der Hulst, Marije, van Dooren, Roel, van Doorn, Johnny, van Renswoude, Daan R., van Rijn, Hedderik, Vanpaemel, Wolf, Echeverria, Alejandro Vasquez, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric-Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, Zuni, Kellylynn, Aarts, Alexander A., Anderson, Joanna E., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahnik, Stepan, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Bruening, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Cohn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Alvarez, Leslie D. Cramblet, Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Della Penna, Nicolas, den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernandez-Castilla, Belen, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Gloeckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O. -Y., Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jaekel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer, Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniel, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana, LeBel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, Mackinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E. J., Matacotta, Josh, Mathur, Maya, May, Michael, Mechin, Nicole, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Moeschl, Marcus, Motyl, Matt, Mueller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Gandalf, Nicolas, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michele B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima-Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, Rene, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, H. Colleen, Skorinko, Jeanine L. M., Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valasek, Milan, van 't Veer, Anna E., Van Aert, Robbie, van Assen, Marcel, van Bork, Riet, van de Ven, Mathijs, van den Bergh, Don, van der Hulst, Marije, van Dooren, Roel, van Doorn, Johnny, van Renswoude, Daan R., van Rijn, Hedderik, Vanpaemel, Wolf, Echeverria, Alejandro Vasquez, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric-Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, and Zuni, Kellylynn

Abstract

Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of original effects, representing a substantial decline. Ninety-seven percent of original studies had statistically significant results. Thirty-six percent of replications had statistically significant results; 47% of original effect sizes were in the 95% confidence interval of the replication effect size; 39% of effects were subjectively rated to have replicated the original result; and if no bias in original results is assumed, combining original and replication results left 68% with statistically significant effects. Correlational tests suggest that replication success was better predicted by the strength of original evidence than by characteristics of the original and replication teams.

Published
2015

12. Estimating the reproducibility of psychological science

Author

Social Networks, Solidarity and Inequality, Anderson, Joanna E., Aarts, Alexander A., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahník, Štěpán, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Brüning, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Conn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Alvarez, Leslie D Cramblet, Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Penna, Nicolás Delia, Den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernández-Castilla, Belén, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Glöckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O Y, Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jäkel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer A., Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniël, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana B., Le Bel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, MacKinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E. J., Matacotta, Josh, Mathur, Maya, May, Michael, Mechin, Nicole, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Möschl, Marcus, Motyl, Matt, Müller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Nicolas, Gandalf, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michèle B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, René, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, H. Colleen, Skorinko, Jeanine L M, Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, Te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valášek, Milan, Van't Veer, Anna E., Van Aert, Robbie, Van Assen, Marcel, Van Bork, Riet, Van De Ven, Mathijs, Van Den Bergh, Don, Van Der Hulst, Marije, Van Dooren, Roel, Van Doorn, Johnny, Van Renswoude, Daan R., Van Rijn, Hedderik, Vanpaemel, Wolf, Echeverría, Alejandro Vásquez, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, Zuni, Kellylynn, Social Networks, Solidarity and Inequality, Anderson, Joanna E., Aarts, Alexander A., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahník, Štěpán, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Brüning, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Conn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Alvarez, Leslie D Cramblet, Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Penna, Nicolás Delia, Den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernández-Castilla, Belén, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Glöckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O Y, Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jäkel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer A., Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniël, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana B., Le Bel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, MacKinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E. J., Matacotta, Josh, Mathur, Maya, May, Michael, Mechin, Nicole, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Möschl, Marcus, Motyl, Matt, Müller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Nicolas, Gandalf, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michèle B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, René, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, H. Colleen, Skorinko, Jeanine L M, Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, Te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valášek, Milan, Van't Veer, Anna E., Van Aert, Robbie, Van Assen, Marcel, Van Bork, Riet, Van De Ven, Mathijs, Van Den Bergh, Don, Van Der Hulst, Marije, Van Dooren, Roel, Van Doorn, Johnny, Van Renswoude, Daan R., Van Rijn, Hedderik, Vanpaemel, Wolf, Echeverría, Alejandro Vásquez, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, and Zuni, Kellylynn

Published
2015

13. Longitudinal network structure of depression symptoms and self-efficacy in low-income mothers.

Author

Jr.Santos, Hudson P., Kossakowski, Jolanda J., Schwartz, Todd A., Beeber, Linda, and Fried, Eiko I.

Subjects
*MENTAL depression, *PSYCHOLOGY of mothers, *SELF-efficacy, *SELF-help techniques, *DEPRESSION in women
Abstract

Maternal depression was recently conceptualized as a network of interacting symptoms. Prior studies have shown that low self-efficacy, as an index of maternal functioning, is one important source of stress that worsens depression. We have limited information, however, on the specific relationships between depression symptoms and self-efficacy. In this study, we used regularized partial correlation networks to explore the multivariate relationships between maternal depression symptoms and self-efficacy over time. Depressed mothers (n = 306) completed the Center for Epidemiological Studies Depression (CES-D) scale at four time points, between four and eight weeks apart. We estimated (a) the network structure of the 20 CES-D depression symptoms and self-efficacy for each time point, (b) determined the centrality or structural importance of all variables, and (c) tested whether the network structure changed over time. In the resulting networks, self-efficacy was mostly negatively connected with depression symptoms. The strongest relationships among depression symptoms were ‘lonely—sleep difficulties’ and ‘inability to get going—crying’. ‘Feeling disliked’ and ‘concentration difficulty’ were the two most central symptoms. In comparing the network structures, we found that the network structures were moderately stable over time. This is the first study to investigate the network structure and their temporal stability of maternal depression symptoms and self-efficacy in low-income depressed mothers. We discuss how these findings might help future research to identify clinically relevant symptom-to-symptom relationships that could drive maternal depression processes, and potentially inform tailored interventions. We share data and analytical code, making our results fully reproducible. [ABSTRACT FROM AUTHOR]

Published
2018
Full Text
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14. Estimating the reproducibility of psychological science

Author

Open Science Collaboration, Aarts, Alexander A., Anderson, Joanna E., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahník, Štěpán, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Brüning, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Cohn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Cramblet Alvarez, Leslie D., Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Della Penna, Nicolás, den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernández-Castilla, Belén, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Glöckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O.Y., Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jäkel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer A., Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniël, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana B., LeBel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, Mackinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E.J., Matacotta, Josh, Mathur, Maya B., May, Michael, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Möschl, Marcus, Motyl, Matt, Müller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Nicolas, Gandalf, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michèle B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima-Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, René, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, Colleen, Skorinko, Jeanine L., Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valášek, Milan, van ‘t Veer, A. E., Van Aert, Robbie, van Assen, Marcel, van Bork, Riet, van de Ven, Mathijs, van den Bergh, Donald, van der Hulst, Marije, van Dooren, Roel, van Doorn, Johnny, van Renswoude, Daan R., van Rijn, Hedderik, Vanpaemel, Wolf, Vásquez Echeverría, Alejandro, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric-Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, Zuni, Kellylynn, Open Science Collaboration, Aarts, Alexander A., Anderson, Joanna E., Anderson, Christopher J., Attridge, Peter R., Attwood, Angela, Axt, Jordan, Babel, Molly, Bahník, Štěpán, Baranski, Erica, Barnett-Cowan, Michael, Bartmess, Elizabeth, Beer, Jennifer, Bell, Raoul, Bentley, Heather, Beyan, Leah, Binion, Grace, Borsboom, Denny, Bosch, Annick, Bosco, Frank A., Bowman, Sara D., Brandt, Mark J., Braswell, Erin, Brohmer, Hilmar, Brown, Benjamin T., Brown, Kristina, Brüning, Jovita, Calhoun-Sauls, Ann, Callahan, Shannon P., Chagnon, Elizabeth, Chandler, Jesse, Chartier, Christopher R., Cheung, Felix, Christopherson, Cody D., Cillessen, Linda, Clay, Russ, Cleary, Hayley, Cloud, Mark D., Cohn, Michael, Cohoon, Johanna, Columbus, Simon, Cordes, Andreas, Costantini, Giulio, Cramblet Alvarez, Leslie D., Cremata, Ed, Crusius, Jan, DeCoster, Jamie, DeGaetano, Michelle A., Della Penna, Nicolás, den Bezemer, Bobby, Deserno, Marie K., Devitt, Olivia, Dewitte, Laura, Dobolyi, David G., Dodson, Geneva T., Donnellan, M. Brent, Donohue, Ryan, Dore, Rebecca A., Dorrough, Angela, Dreber, Anna, Dugas, Michelle, Dunn, Elizabeth W., Easey, Kayleigh, Eboigbe, Sylvia, Eggleston, Casey, Embley, Jo, Epskamp, Sacha, Errington, Timothy M., Estel, Vivien, Farach, Frank J., Feather, Jenelle, Fedor, Anna, Fernández-Castilla, Belén, Fiedler, Susann, Field, James G., Fitneva, Stanka A., Flagan, Taru, Forest, Amanda L., Forsell, Eskil, Foster, Joshua D., Frank, Michael C., Frazier, Rebecca S., Fuchs, Heather, Gable, Philip, Galak, Jeff, Galliani, Elisa Maria, Gampa, Anup, Garcia, Sara, Gazarian, Douglas, Gilbert, Elizabeth, Giner-Sorolla, Roger, Glöckner, Andreas, Goellner, Lars, Goh, Jin X., Goldberg, Rebecca, Goodbourn, Patrick T., Gordon-McKeon, Shauna, Gorges, Bryan, Gorges, Jessie, Goss, Justin, Graham, Jesse, Grange, James A., Gray, Jeremy, Hartgerink, Chris, Hartshorne, Joshua, Hasselman, Fred, Hayes, Timothy, Heikensten, Emma, Henninger, Felix, Hodsoll, John, Holubar, Taylor, Hoogendoorn, Gea, Humphries, Denise J., Hung, Cathy O.Y., Immelman, Nathali, Irsik, Vanessa C., Jahn, Georg, Jäkel, Frank, Jekel, Marc, Johannesson, Magnus, Johnson, Larissa G., Johnson, David J., Johnson, Kate M., Johnston, William J., Jonas, Kai, Joy-Gaba, Jennifer A., Kappes, Heather Barry, Kelso, Kim, Kidwell, Mallory C., Kim, Seung Kyung, Kirkhart, Matthew, Kleinberg, Bennett, Knežević, Goran, Kolorz, Franziska Maria, Kossakowski, Jolanda J., Krause, Robert Wilhelm, Krijnen, Job, Kuhlmann, Tim, Kunkels, Yoram K., Kyc, Megan M., Lai, Calvin K., Laique, Aamir, Lakens, Daniël, Lane, Kristin A., Lassetter, Bethany, Lazarević, Ljiljana B., LeBel, Etienne P., Lee, Key Jung, Lee, Minha, Lemm, Kristi, Levitan, Carmel A., Lewis, Melissa, Lin, Lin, Lin, Stephanie, Lippold, Matthias, Loureiro, Darren, Luteijn, Ilse, Mackinnon, Sean, Mainard, Heather N., Marigold, Denise C., Martin, Daniel P., Martinez, Tylar, Masicampo, E.J., Matacotta, Josh, Mathur, Maya B., May, Michael, Mehta, Pranjal, Meixner, Johannes, Melinger, Alissa, Miller, Jeremy K., Miller, Mallorie, Moore, Katherine, Möschl, Marcus, Motyl, Matt, Müller, Stephanie M., Munafo, Marcus, Neijenhuijs, Koen I., Nervi, Taylor, Nicolas, Gandalf, Nilsonne, Gustav, Nosek, Brian A., Nuijten, Michèle B., Olsson, Catherine, Osborne, Colleen, Ostkamp, Lutz, Pavel, Misha, Penton-Voak, Ian S., Perna, Olivia, Pernet, Cyril, Perugini, Marco, Pipitone, R. Nathan, Pitts, Michael, Plessow, Franziska, Prenoveau, Jason M., Rahal, Rima-Maria, Ratliff, Kate A., Reinhard, David, Renkewitz, Frank, Ricker, Ashley A., Rigney, Anastasia, Rivers, Andrew M., Roebke, Mark, Rutchick, Abraham M., Ryan, Robert S., Sahin, Onur, Saide, Anondah, Sandstrom, Gillian M., Santos, David, Saxe, Rebecca, Schlegelmilch, René, Schmidt, Kathleen, Scholz, Sabine, Seibel, Larissa, Selterman, Dylan Faulkner, Shaki, Samuel, Simpson, William B., Sinclair, Colleen, Skorinko, Jeanine L., Slowik, Agnieszka, Snyder, Joel S., Soderberg, Courtney, Sonnleitner, Carina, Spencer, Nick, Spies, Jeffrey R., Steegen, Sara, Stieger, Stefan, Strohminger, Nina, Sullivan, Gavin B., Talhelm, Thomas, Tapia, Megan, te Dorsthorst, Anniek, Thomae, Manuela, Thomas, Sarah L., Tio, Pia, Traets, Frits, Tsang, Steve, Tuerlinckx, Francis, Turchan, Paul, Valášek, Milan, van ‘t Veer, A. E., Van Aert, Robbie, van Assen, Marcel, van Bork, Riet, van de Ven, Mathijs, van den Bergh, Donald, van der Hulst, Marije, van Dooren, Roel, van Doorn, Johnny, van Renswoude, Daan R., van Rijn, Hedderik, Vanpaemel, Wolf, Vásquez Echeverría, Alejandro, Vazquez, Melissa, Velez, Natalia, Vermue, Marieke, Verschoor, Mark, Vianello, Michelangelo, Voracek, Martin, Vuu, Gina, Wagenmakers, Eric-Jan, Weerdmeester, Joanneke, Welsh, Ashlee, Westgate, Erin C., Wissink, Joeri, Wood, Michael, Woods, Andy, Wright, Emily, Wu, Sining, Zeelenberg, Marcel, and Zuni, Kellylynn

Abstract

Reproducibility is a defining feature of science, but the extent to which it characterizes current research is unknown. We conducted replications of 100 experimental and correlational studies published in three psychology journals using high-powered designs and original materials when available. Replication effects were half the magnitude of original effects, representing a substantial decline. Ninety-seven percent of original studies had statistically significant results. Thirty-six percent of replications had statistically significant results; 47% of original effect sizes were in the 95% confidence interval of the replication effect size; 39% of effects were subjectively rated to have replicated the original result; and if no bias in original results is assumed, combining original and replication results left 68% with statistically significant effects. Correlational tests suggest that replication success was better predicted by the strength of original evidence than by characteristics of the original and replication teams.

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