Power was calculated for 6,155 statistical tests in 221 journal articles published in the 1982 volumes of the Journal of Abnormal Psychology, Journal of Consulting and Clinical Psychology, and Journal of Personality and Social Psychology. Power to …
Due to the increasing importance of moderating (i.e., interaction) effects, the use of moderated multiple regression (MMR) has become pervasive in numerous management specialties such as organizational behavior, human resources management, and …
Objective. —To describe the pattern over time in the level of statistical power and the reporting of sample size calculations in published randomized controlled trials (RCTs) with negative results. Design. —Our study was a descriptive survey. Power …
Statistical analysis is error prone. A best practice for researchers using statistics would therefore be to share data among co-authors, allowing double-checking of executed tasks just as co-pilots do in aviation. To document the extent to which this …
In light of recent concerns about reproducibility and replicability, the ASA issued a Statement on Statistical Significance and p-values aimed at those who are not primarily statisticians. While the ASA Statement notes that statistical significance …
MOST THEORIES IN THE AREAS OF PERSONALITY, CLINICAL, AND SOCIAL PSYCHOLOGY PREDICT ONLY THE DIRECTION OF A CORRELATION, GROUP DIFFERENCE, OR TREATMENT EFFECT. SINCE THE NULL HYPOTHESIS IS NEVER STRICTLY TRUE, SUCH PREDICTIONS HAVE ABOUT A 50-50 …
Data analysis methods in psychology still emphasize statistical significance testing, despite numerous articles demonstrating its severe deficiencies. It is now possible to use meta-analysis to show that reliance on significance testing retards the …
Misinterpretation and abuse of statistical tests, confidence intervals, and statistical power have been decried for decades, yet remain rampant. A key problem is that there are no interpretations of these concepts that are at once simple, intuitive, …
This study investigates the relationship between loneliness and support for populist radical right (PRR) parties. Drawing on data from over 40,000 individuals across nine European countries, the researchers conducted 25 preregistered analyses and …