New research published in the March issue of Psychological Science suggests that efforts to advocate improved statistical practices in psychological research may be paying off.
Geoff Cumming, Fiona Fidler and colleagues at La Trobe University in Melbourne, Australia sought to examine whether guidelines set forth in 1999 by the American Psychological Association’s Task Force on Statistical Inference (TSFI) had been implemented in psychological research.
The authors analyzed articles from 10 leading international psychology journals from 1998 to 2006, focusing on three practices central to the statistical reform debate: Null hypothesis significance testing, confidence intervals and figures with error bars.