The executive, associate, and advisory editors and all of the editorial board members of one of the most influential journals in moral and political philosophy, Philosophy & Public Affairs, have resigned en masse.
Special Issue of Educational Psychologist - Educational Psychology in the Open Science Era
Recently, scholars have noted how several “old school” practices—a host of well-regarded, long-standing scientific norms—in …
Objectives: To examine the effect on peer review of asking reviewers to have their identity revealed to the authors of the paper. Design: Randomised trial. Consecutive eligible papers were sent to two reviewers who were randomised to have their …
In animal experiments, animals, husbandry and test procedures are traditionally standardized to maximize test sensitivity and minimize animal use, assuming that this will also guarantee reproducibility. However, by reducing within-experiment …
The authors conducted a 30-year review (1969-1998) of the size of moderating effects of categorical variables as assessed using multiple regression. The median observed effect size (f(2)) is only .002, but 72% of the moderator tests reviewed had …
The Publication Manual of the American Psychological Association (American Psychological Association, 2001, 2010) calls for the reporting of effect sizes and their confidence intervals. Estimates of effect size are useful for determining the …
A central goal of translational neuroimaging is to establish robust links between brain measures and clinical outcomes. Success hinges on the development of brain biomarkers with large effect sizes. With large enough effects, a measure may be …
Individual differences researchers very commonly report Pearson correlations between their variables of interest. Cohen (1988) provided guidelines for the purposes of interpreting the magnitude of a correlation, as well as estimating power. …
Despite publication of many well-argued critiques of null hypothesis testing (NHT), behavioral science researchers continue to rely heavily on this set of practices. Although we agree with most critics' catalogs of NHT's flaws, this article also …
The effect size (ES) is the magnitude of a study outcome or research finding, such as the strength of the relationship obtained between an independent variable and a dependent variable. Two types of ES indicators are sampled here: the difference-type …