Chapter 12 Unique challenges with pre-existing data

Possibility of prior exposure to the data

• Remember, a goal of preregistration is to separate the analytic decisions made based on theory and those made based on data.
• Exposure can be subtle.

Have you worked with these data before?

• Report prior analyses – even unpublished

Have you read about these data before?

• Report what you’ve read.

Weston, S. J., Ritchie, S. J., Rohrer, J. M., & Przybylski, A. K. (2019). Recommendations for increasing the transparency of analysis of preexisting data sets. Advances in Methods and Practices in Psychological Science, 2(3), 214-227.