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5 results on '"Ruud J.R. Den Hartigh"'

1. A dynamic network model to explain the development of excellent human performance

Author

Ruud J.R. Den Hartigh, Marijn W.G. Van Dijk, Henderien W. Steenbeek, and Paul L.C. Van Geert

Subjects
dynamic systems, Expertise, Complexity, simulation models, skewed distributions, talent development, Psychology, BF1-990
Abstract

Across different domains, from sports to science, some individuals accomplish excellent levels of performance. For over 150 years, researchers have debated the roles of specific nature and nurture components to develop excellence. In this article, we argue that the key to excellence does not reside in specific underlying components, but rather in the ongoing interactions among the components. We propose that excellence emerges out of dynamic networks consisting of idiosyncratic mixtures of interacting components such as genetic endowment, motivation, practice, and coaching. Using computer simulations we demonstrate that the dynamic network model accurately predicts typical properties of excellence reported in the literature, such as the idiosyncratic developmental trajectories leading to excellence and the highly skewed distributions of productivity present in virtually any achievement domain. Based on this novel theoretical perspective on excellent human performance, this article concludes by suggesting policy implications and directions for future research.

Published
2016
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2. Nonergodicity in Load and Recovery

Author

Niklas D. Neumann, Nico W. Van Yperen, Jur J. Brauers, Wouter Frencken, Michel S. Brink, Koen A.P.M. Lemmink, Laurentius A. Meerhoff, Ruud J.R. Den Hartigh, Developmental Psychology, and SMART Movements (SMART)

Subjects
Male, football, Adolescent, Physical Exertion, Physical Therapy, Sports Therapy and Rehabilitation, TRAINING LOAD, dynamical systems, PREVENTION, STATISTICS, SPORTS, monitoring, intraindividual variability, Athletes, Soccer, INJURY, Humans, Orthopedics and Sports Medicine, resilience, Physical Conditioning, Human
Abstract

Purpose: The study of load and recovery gained significant interest in the last decades, given its important value in decreasing the likelihood of injuries and improving performance. So far, findings are typically reported on the group level, whereas practitioners are most often interested in applications at the individual level. Hence, the aim of the present research is to examine to what extent group-level statistics can be generalized to individual athletes, which is referred to as the “ergodicity issue.” Nonergodicity may have serious consequences for the way we should analyze, and work with, load and recovery measures in the sports field. Methods: The authors collected load, that is, rating of perceived exertion × training duration, and total quality of recovery data among youth male players of a professional football club. This data were collected daily across 2 seasons and analyzed on both the group and the individual level. Results: Group- and individual-level analysis resulted in different statistical outcomes, particularly with regard to load. Specifically, SDs within individuals were up to 7.63 times larger than SDs between individuals. In addition, at either level, the authors observed different correlations between load and recovery. Conclusions: The results suggest that the process of load and recovery in athletes is nonergodic, which has important implications for the sports field. Recommendations for training programs of individual athletes may be suboptimal, or even erroneous, when guided by group-level outcomes. The utilization of individual-level analysis is key to ensure the optimal balance of individual load and recovery.

Published
2022

4. Examining the reliability and predictive validity of performance assessments by soccer coaches and scouts

Author

Tom L.G. Bergkamp, Rob R. Meijer, Ruud. J.R. den Hartigh, Wouter G.P. Frencken, A. Susan M. Niessen, Psychometrics and Statistics, and Developmental Psychology

Subjects
Applied Psychology
Abstract

Soccer coaches and scouts typically assess in-game soccer performance to predict players’ future performance. However, there is hardly any research on the reliability and predictive validity of coaches’ and scouts’ performance assessments, or on strategies they can use to optimize their predictions. In the current study, we examined whether robust principles from psychological research on selection – namely structured information collection and mechanical combination of predictor information through a decision-rule – improve soccer coaches’ and scouts’ performance assessments. A total of n = 96 soccer coaches and scouts participated in an elaborate within-subjects experiment. Participants watched soccer players’ performance on video, rated their performance in both a structured and unstructured manner, and combined their ratings in a holistic and mechanical way. We examined the inter-rater reliability of the ratings and assessed the predictive validity by relating the ratings to players’ future market values. Contrary to our expectations, we did not find that ratings based on structured assessment paired with mechanical combination of the ratings showed higher inter-rater reliability and predictive validity. In contrast, unstructured-holistic ratings yielded the highest reliability and predictive validity, although differences were marginal. Overall, reliability was poor and predictive validities small-to-moderate, regardless of the approach used to rate players’ performance. The findings provide insights into the difficulty of predicting future performance in soccer.

Published
2022
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5. List of Contributors

Author

Mitch Abrams, Veronica Allan, Sebastian Altfeld, Anthony J. Amorose, Duarte Araújo, Michael Atkinson, Shannon M. Baird, Joseph Baker, Shea Balish, Farid Bardid, Michael Bar-Eli, Jamie Barker, Vassilis Barkoukis, Lisa Barnett, Randy C. Battochio, Roy F. Baumeister, Mark R. Beauchamp, Jürgen Beckmann, David G. Behm, Eduardo Bellomo, Alex Benson, Bonnie G. Berger, Iouri Bernache-Assollant, Maurizio Bertollo, Nikita Bhavsar, Hannah L. Biddell, Stuart Biddle, Amy T. Blodgett, Gordon A. Bloom, Boris Blumenstein, Nicole D. Bolter, Patrick Boudreau, Brenda Light Bredemeier, Chris Brown, Sebastian Brueckner, Mark W. Bruner, Shauna M. Burke, Rebecca Busanich, Lena Busch, Lois A. Butcher, David Carless, Jeffrey G. Caron, Leeja Carter, Sarah L. Castillo, Yu-Kai Chang, Nicole D. Charboneau, Nikos L.D. Chatzisarantis, Ming-Yang Cheng, Chloé Chermette, Graig M. Chow, I-Hua Chu, Theo Chu, Jay Coakley, Diana Coholic, Bernadette Compton, Daniela Corbetta, Jean Côté, Stewart Cotterill, Brendan Cropley, Jaume Cruz, Francine Darroch, Keith Davids, Colin J. Deal, Thierry Debanne, Ruud J.R. Den Hartigh, Poppy DesClouds, Selenia di Fronso, Kitrina Douglas, Danielle S. Downs, Dennis Dreiskämper, Natalie Durand-Bush, Lars Dzikus, David W. Eccles, Alfred O. Effenberg, Anne-Marie Elbe, Eike Emrich, Jennifer Etnier, Edward Etzel, M. Blair Evans, Mark Eys, Kari Fasting, Clemens Feistenauer, Deborah L. Feltz, Leah J. Ferguson, Edson Filho, Leslee A. Fisher, Audrey Fleming, David Fletcher, Cornelia Frank, Katrien Fransen, Paul Freeman, Andrew Friesen, Philip Furley, Shaun M. Galloway, Freya Gassmann, Patrick Gaudreau, Yang Ge, Christophe Gernigon, Lael Gershgoren, Katharina Geukes, Wade D. Gilbert, Diane L. Gill, Nicola Glenn, Michael Godfrey, Christine A. Gonsalves, Daniel Gould, Urs Granacher, Scott Graupensperger, Iain Greenlees, Robert Grey, Daniel F. Gucciardi, Michelle D. Guerrero, Iris Güldenpenning, John H. Kerr, Dieter Hackfort, John E. Hagan, Norbert Hagemann, Shona L. Halson, David J. Hancock, Sheldon Hanton, James Hardy, Will Hardy, Chris G. Harwood, Heather A. Hausenblas, Jahan Heidari, Jordan D. Herbison, Andreas Heuer, Bobby Hilliard, Ken Hodge, Nicola J. Hodges, Paul Holmes, Nicholas L. Holt, Thelma S. Horn, Robert Hristovski, Joanne Hudson, Joachim Hüffmeier, Tsung-Min Hung, Jeffrey D. James, Carra Johnson, Martin I. Jones, Gareth E. Jowett, Sophia Jowett, Christoph Justen, San-Fu Kao, Steven J. Karau, Maria Kavussanu, Richard Keegan, Michael Kellmann, Gretchen Kerr, Margo E. Killham, Jeemin Kim, Youngho Kim, Martin Klämpfl, Jens Kleinert, Kristina Kljajic, York-Peter Klöppel, Zoe Knowles, Dirk Koester, Sarah Kölling, Alan S. Kornspan, Vikki Krane, Daniel Krause, Philipp Kunz, Sylvain Laborde, Andrew M. Lane, Michel Lariviere, Carsten H. Larsen, Michele Lastella, Nicole M. LaVoi, Barbi Law, Lambros Lazuras, Adrienne Leslie-Toogood, Rebecca Lewthwaite, Ronnie Lidor, Kent Lindeman, Sonia Lippke, Babett Lobinger, Florian Loffing, Todd M. Loughead, Fabio Lucidi, Diane E. Mack, Clare MacMahon, Neha Malhotra, Donald R. Marks, Marta M. Marques, Luc J. Martin, Rich Masters, Penny McCullagh, Kerry R. McGannon, Henk E. Meier, Stephen D. Mellalieu, Daniel Memmert, Stijn V. Mentzel, Christopher Mesagno, Susan Michie, Thierry R.F. Middleton, Pooneh Mokhtari, Lee Moore, Whitney Moore, Aidan Moran, Ioannis D. Morres, Emma Mosley, Tayo Moss, Krista J. Munroe-Chandler, Jörn Munzert, Mauro Murgia, Shane Murphy, Rich Neil, Adam R. Nicholls, Jürgen R. Nitsch, Franco Noce, Paul Norman, Nikos Ntoumanis, Bruce Oddson, Patrick Odirin Oghene, Carole Oglesby, Olufemi A. Oluyedun, Iris Orbach, Raôul R.D. Oudejans, Anthony Papathomas, Kyle F. Paradis, William D. Parham, Maximilian Pelka, Fabian Pels, Heather J. Peters, Brennan Petersen, Albert Petitpas, Lisa Petty, Cassandra Phoenix, Scott Pierce, Henning Plessner, Artur Poczwardowski, Leslie Podlog, Katharina Pöppel, James O. Prochaska, Janice M. Prochaska, Alessandro Quartiroli, Markus Raab, Daniel J.A. Rhind, Ryan E. Rhodes, Veronique Richard, Claudio Robazza, Jamie E. Robbins, Ross Roberts, Montse C. Ruiz, Catherine M. Sabiston, Michael L. Sachs, Sarah C. Sackett, Roy David Samuel, Mustafa Sarkar, Tara Scanlan, Tara K. Scanlan, Thomas Schack, Robert J. Schinke, Andreas Schlattmann, Joyce E. Schleu, Wolfgang I. Schöllhorn, Jörg Schorer, Nadja Schott, Ralf Schwarzer, Michelle Seanor, Roland Seiler, Stephen Seiler, Christine L.B. Selby, Roy J. Shephard, David Shields, Gangyan Si, Alan L. Smith, Brett Smith, Kristina Smith, Ronald E. Smith, Christopher C. Sonn, Billy Sperlich, Natalia B. Stambulova, Martyn Standage, Yvonne Steggemann-Weinrich, Ashley Stirling, Vera Storm, Bernd Strauß, Mark Surya, Christian Swann, Katherine A. Tamminen, Ian M. Taylor, Gershon Tenenbaum, Peter C. Terry, Richard Thelwell, Yannis Theodorakis, Cecilie Thogersen-Ntoumani, Sam N. Thrower, Maike Tietjens, Judith Tirp, John Toner, Adrienne L. Toogood, Jennifer Turnnidge, Liis Uiga, Till Utesch, Robert J. Vallerand, John van der Kamp, Tina van Duijn, Krista Van Slingerland, Konstantinos Velentzas, Jérémie Verner-Filion, Samuel J. Vine, Jennifer J. Waldron, Daniel L. Wann, Jack C. Watson, Nick Wattie, William Way, Matthias Weigelt, Robert Weinberg, Anders I. Westerberg, Amy Whitehead, Diane M. Wiese-Bjornstal, Kipling D. Williams, Toni L. Williams, Mark Wilson, Andrew T. Wolanin, Tim Woodman, Emily Wright, Carolyn Wu, Gabriele Wulf, Kathrin Wunsch, Kielan Yarrow, Rebecca A. Zakrajsek, and Chun-Qing Zhang

Published
2019
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