Publication bias is a substantial problem for the credibility of research in general and of meta-
analyses in particular, as it yields overestimated effects and may suggest the existence of …

Recent systematic reviews and empirical evaluations of the cognitive sciences literature
suggest that publication and other reporting biases are prevalent across diverse domains of …

Using a novel technique known as network meta-analysis, we synthesized evidence from
492 studies (87,418 participants) to investigate the effectiveness of procedures in changing …

Using data from 217 research reports (N= 36,071, compared to 3,471 and 5,433 in previous
meta-analyses), this meta-analysis investigated the conceptual and methodological …

Many of today's global scientific challenges require the joint involvement of researchers from
different disciplinary backgrounds (social sciences, environmental sciences, climatology …

This study documents reporting errors in a sample of over 250,000 p-values reported in
eight major psychology journals from 1985 until 2013, using the new R package “statcheck.” …

Numerous biases are believed to affect the scientific literature, but their actual prevalence
across disciplines is unknown. To gain a comprehensive picture of the potential imprint of …

Background The p value obtained from a significance test provides no information about the
magnitude or importance of the underlying phenomenon. Therefore, additional reporting of …

We propose a new framework for research synthesis of both evidence and influence, named
research weaving. It summarizes and visualizes information content, history, and networks …

A comprehensive and up-to-date investigation of what research shows about the
educational value of computer games for learning. Many strong claims are made for the …