This project corresponds to the following paper: Theobald, M., Bäulke, L., Bellhäuser, H., Breitwieser, J., Mattes, B., Brod, G., Daumiller, M., Dresel, M., Liborius, P., & Nückles, M. (2023). A Multi-Study Examination of Intra-Individual Feedback Loops Between Competence and Value Beliefs, Procrastination, and Goal Achievement. Contemporary Educational Psychology, 102208. https://doi.org/10.1016/j.cedpsych.2023.102208 This project contains the following supplementary materials: - The folder "data" contains the original data from the projects. The file "results" contains the data that was used to conduct the meta-analysis. The file "results_with_nonconsecdays" includes the data that was used to conduct supplementary analyses. - The folder "analysis scripts" contains the scripts that were used to analyze the data (in R and Mplus). We folder contains (a) independent scripts for the 5 projects, (b) a script that were used to conduct the mediation analysis in each project, and (c) the script that was used to conduct the meta-analysis.