Error bars in within-subject designs: a comment on Baguley (2012)

• Published in: Behavior research methods Vol. 46; no. 4; pp. 1149 - 1151
• Main Authors: Cousineau, Denis, O’Brien, Fearghal
• Format: Journal Article
• Language: English
• Published: Boston Springer US 01.12.2014; Springer Nature B.V
• Subjects: Analysis of Variance; Behavior; Behavioral Science and Psychology; Brief Communication; Cognitive Psychology; Confidence Intervals; Psychology; Research Design; Research methodology; Statistics; Confidence intervals; Within-subject designs; Mean plots; Statistical inference; Statistics

The problem of calculating error bars in within-subject designs has proven to be a difficult problem and has received much attention in recent years. Baguley ( Behavior Research Methods , 44 , 158–175, 2012 ) recommended what he called the Cousineau–Morey method. This method requires two steps: firs...