meta-research

Registration, reporting, and replication in clinical trials: The case of anorexia nervosa

Objective: Treatment outcomes for anorexia nervosa (AN) remain modest, and recent research suggests that clinical trials may be of limited methodological quality. With increasing evidence illustrating the irreproducibility of psychological research, …

Meta-analysis misunderstood: a cautionary tale in interpreting meta-analytic findings

Treatment outcomes for anorexia nervosa: a systematic review and meta-analysis of randomized controlled trials

Background: To determine the impact of specialized treatments, relative to comparator treatments, upon the weight and psychological symptoms of anorexia nervosa (AN) at end-of-treatment (EOT) and follow-up. Methods: Randomized controlled trials …

Revisiting non-significant effects of intranasal oxytocin using equivalence testing

The effects of intranasal oxytocin on social cognition are mixed, with several non-significant reports casting some doubts on its efficacy. Nevertheless, drawing inferences from non-significant values is problematic as non-significant results can be …

Bayesian alternatives for common null-hypothesis significance tests in psychiatry: A non-technical guide using JASP

Background: Despite its popularity as an inferential framework, classical null hypothesis significance testing (NHST) has several restrictions. Bayesian analysis can be used to complement NHST, however, this approach has been underutilized largely …

Twitter Article Mentions and Citations: An Exploratory Analysis of Publications in the American Journal of Psychiatry

Research impact is assessed partly by how the research has made demonstrable contributions to academia and society at large. Most funding agencies rely on journal metrics to judge research impact and guide funding decisions, yet these metrics can be …

From pre-registration to publication: a nontechnical primer for conducting a meta-analysis to synthesize correlational data

Meta-analysis synthesizes a body of research investigating a common research question. Outcomes from meta-analyses provide a more objective and transparent summary of a research area than traditional narrative reviews. Moreover, they are often used …