Given that an effect size of d=. 4 is a good first estimate of the smallest effect size of interest
in psychological research, we already need over 50 participants for a simple comparison of …

The replication crisis in the social, behavioural and life sciences has spurred a reform
movement aimed at increasing the credibility of scientific studies. Many of these credibility …

Many statistical scenarios initially involve several candidate models that describe the data-
generating process. Analysis often proceeds by first selecting the best model according to …

Inferences about hypotheses are ubiquitous in the cognitive sciences. Bayes factors provide
one general way to compare different hypotheses by their compatibility with the observed …

In many research fields, the widespread use of questionable research practices has
jeopardized the credibility of scientific results. One of the most prominent questionable …

As the largest longitudinal study of adolescent brain development and behavior to date, the
Adolescent Brain Cognitive Development (ABCD) Study® has provided immense …

Experiments in research on memory, language, and in other areas of cognitive science are
increasingly being analyzed using Bayesian methods. This has been facilitated by the …

To get evidence for or against a theory relative to the null hypothesis, one needs to know
what the theory predicts. The amount of evidence can then be quantified by a Bayes factor …

Self-control is assessed using a remarkable array of measures. In a series of five data-sets
(overall N= 2,641) and a mini meta-analysis, we explored the association between …

When used appropriately, non-significant p-values have the potential to further our
understanding of what does not work in education, and why. When misinterpreted, they can …