Reproducibility and Replicability Knowledge

 

Course materials | Project TIER

Learn about courses, in a wide range of fields at a variety of institutions, where principles and resources from Project TIER have been used to teach transparent research methods.

How scientists can stop fooling themselves

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

Intellectual humility is central to science

Transparency is indispensable for accuracy and correction in science, and is discussed frequently in the credibility revolution. A less often mentioned aspect of credibility is the need for intellectual humility: When scientific communication is …

I Fooled Millions Into Thinking Chocolate Helps Weight Loss. Here's How.

A blog about reproducibility crisis

Identifying Participants in the Personal Genome Project by Name

We linked names and contact information to publicly available profiles in the Personal Genome Project. These profiles contain medical and genomic information, including details about medications, procedures and diseases, and demographic information, …

Making Prospective Registration of Observational Research a Reality

The vast majority of health-related observational studies are not prospectively registered and the advantages of registration have not been fully appreciated. Nonetheless, international standards require approval of study protocols by an independent …

Registered Replication Report: Study 1 From Finkel, Rusbult, Kumashiro, & Hannon (2002).

Finkel, Rusbult, Kumashiro, and Hannon (2002, Study 1) demonstrated a causal link between subjective commitment to a relationship and how people responded to hypothetical betrayals of that relationship. Participants primed to think about their …

A Social Priming Data Set With Troubling Oddities

A recent paper by Chatterjee, Rose, and Sinha (2013) reported impressively large “money priming” effects: incidental exposure to concepts relating to cash or credit cards made participants much less generous with their time and money (after cash …

Eight common but false objections to the discontinuation of significance testing in the analysis of research data.

Logically and conceptually, the use of statistical significance testing in the analysis of research data has been thoroughly discredited. However, reliance on significance testing is strongly embedded in the minds and habits of researchers, and …

Fearing the future of empirical psychology: Bem’s (2011) evidence of psi as a case study in deficiencies in modal research practice.

In this methodological commentary, we use Bem’s (2011) recent article reporting experimental evidence for psi as a case study for discussing important deficiencies in modal research practice in empirical psychology. We focus on (a) overemphasis on …
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