This repository contains the analysis, the data files, and the figures for the project titled “An Assessment of the Secondary Effects of Preregistration”. The projects OSF repository can be found on the following link.

The data/ folder contains all the datafiles that are needed to reproduce the results of the project. The datafiles that contains personal information are not shared (e.g. sample database with email addresses, source files with comments that contain information that makes it possible to identify the respondent).

The analysis/ folder contains all the analyses files in rmarkdowns separately for the Pilot study and the Main study. Within this folder you can find the following files:

• PreregistrationEvaluation_Pilot_Grouping.Rmd contains the code and description for the grouping process of the responses that we gathered during the pilot study. Some of the grouping steps were carried out manually by the authors. These steps are indicated and described in this document.
• PreregistrationEvaluatio_Main_Sample.Rmd contains the code that we used to sample contacts from our email address database. The email address database that we used to sample the email addresses cannot be shared due to privacy reasons.
• PreregistrationEvaluation_Main_Source_Raw.Rmd file contains the code necessary for the transformation of the source data (the datafile downloaded directly from Qualtrics as is) to the raw datafile (datafile with standard name and .tsv format). We also made sure that the raw datafile do not contain any information that can be used to indetify any of the respondents.
• PreregistrationEvaluation_Main_Raw_Processed.Rmd file contains the code that cleans the dataset and transforms is into a tidy format ready for the analysis.
• PreregistrationEvaluation_Main_Analysis.Rmd file contains the code for the figure creation and the analysis.

The doc/ folder contains the .html and .docx files rendered from the rmarkdowns.

The figures/ folder contains all the figures that are created in the PreregistrationEvaluation_Main_Analysis.Rmd file.