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The master thesis first addresses the question of the reasons for which the behavior called "phubbing" is exhibited, using a qualitative approach. Afterwards, factors are formed from the reasons in order to examine their correlation with personality traits.

This project aims to replicate the findings of the experimental manipulation study from Margolis & Lyubomirsky (2020) under modified experimental conditions. In the behavior experiment of this study participants will be instructed to behave more extroverted than usual for one week and to behave more introverted than usual for another week in the first condition. Participants in the second condition should behave the other way around (e.g. at first more introverted, then more extroverted). In comparison with the investigation of Margolis & Lyubomirsky (2020) the experimental conditions were modified insomuch as each instruction for extroverted or introverted behavior is described in a narrower way than the authors did. The goal oft this approach is to investigate which effects do such an experimental manipulation of extraverted (introverted) behavior has on wellbeing and to what extent these results can replicate the results of Margolis & Lyubomirsky (2020).

The present article reports the results of a meta-analysis of nine student replication projects of Elliot et al.’s (2010) findings from Experiment 3, that women were more attracted to photographs of men with red borders (total n = 640). The eight student projects were part of the Collaborative Replication and Education Project (CREP; https://osf.io/wfc6u/), a research crowdsourcing project for undergraduate students. All replications were reviewed by experts to ensure high quality data, and were pre-registered prior to data collection. Results of this meta-analysis showed no effect of red on attractiveness ratings for either perceived attractiveness (mean ratings difference = –0.07, 95% CI [–0.31, 0.16]) or sexual attractiveness (mean ratings difference = –0.06, 95% CI [–0.36, 0.24]); this null result held with and without Elliot et al.’s (2010) data included in analyses. Exploratory analyses examining whether being in a relationship moderated the effect of color on attractiveness ratings also produced null results.

The present article reports the results of a meta-analysis of eight student replication projects of Elliot et al.’s (2010) Experiment 3. The eight student projects were part of the Collaborative Replication and Education Project (CREP; https://osf,io/wfc6u/), a research crowdsourcing project for undergraduate students. Studies to be replicated were identified by the CREP advisory board, after which student teams (under the supervision of a local faculty supervisor) selected a study to replicate. Following this choice, student teams created a project page on the Open Science Framework, uploaded their materials, and pre-registered their replication prior to data collection. All replications were reviewed by experts to ensure high quality data, and were pre-registered prior to data collection. Results of this meta-analysis showed no effect of red on attractiveness ratings; this null result held with and without Elliot et al.’s (2010) data included in analyses. Exploratory analyses examining whether being in a relationship or not moderated the effect of color on attractiveness ratings also produced null results.