Reproducibility and Replicability Knowledge

 

Guideline for reporting systematic reviews of outcome measurement instruments (OMIs): PRISMA-COSMIN for OMIs 2024

Background and objective: Although comprehensive and widespread guidelines on how to conduct systematic reviews of outcome measurement instruments (OMIs) exist, for example from the COSMIN (COnsensus-based Standards for the selection of health …

HARKing: How Badly Can Cherry-Picking and Question Trolling Produce Bias in Published Results?

The practice of hypothesizing after results are known (HARKing) has been identified as a potential threat to the credibility of research results. We conducted simulations using input values based on comprehensive meta-analyses and reviews in applied …

Harvard Professor’s Papers Contain Copied Images, Says Science Sleuth

A Harvard Medical School scientist who studies deadly brain tumors is facing accusations that more than two dozen papers he co-authored contain scientific images that appear doctored or copied.

Harvard Teaching Hospital Seeks Retraction of Six Papers by Top Researchers

The Dana-Farber Cancer Institute, a Harvard Medical School affiliate, is seeking to retract six studies and correct 31 other papers as part of a probe involving four of its senior cancer researchers and administrators.

History and Methods of Psychology Syllabus

This course is designed to expose students to the history of psychology through a study of the methods used in research over time, with an emphasis on methods used in developmental psychology. Unlike most traditional history of psychology courses, we …

History repeating: Guidelines to address common problems in psychedelic science

Research in the last decade has expressed considerable optimism about the clinical potential of psychedelics for the treatment of mental disorders. This optimism is reflected in an increase in research papers, investments by pharmaceutical companies, …

How (and Whether) to Teach Undergraduates About the Replication Crisis in Psychological Science

Over the past 10 years, crises surrounding replication, fraud, and best practices in research methods have dominated discussions in the field of psychology. However, no research exists examining how to communicate these issues to undergraduates and …

How scientists can stop fooling themselves

Sampling simulated data can reveal common ways in which our cognitive biases mislead us.

How to Make More Published Research True

An essay about How to Make More Published Research True

How to Produce, Identify, and Motivate Robust Psychological Science: A Roadmap and a Response to Vize et al.

Some wish to mandate preregistration as a response to the replication crisis, while I and others caution that such mandates inadvertently cause harm and distract from more critical reforms. In this article, after briefly critiquing a recently …