Supplement for Performing contrast analysis in factorial designs: From NHST to confidence intervals and beyond. Educational and Psychological Measurement

Supplementary material for the articleWiens, S., &amp; Nilsson, M. E. (2016). Performing contrast analysis in factorial designs: From NHST to confidence intervals and beyond.<i> Educational and Psychological Measurement</i>, in press. doi: 10.1177/0013164416668950. The full analysis can be found in the article.<br>Contains R scripts (created with https://www.r-project.org/) and a JASP file (created with JASP software, https://jasp-stats.org/, an alternative to SPSS and R).