The purpose of this paper is to help think through the advantages and costs of rigorous pre-specification of statistical analysis plans in economics. A pre-analysis plan pre-specifies in a precise way the analysis to be run before examining the data. …
Is psychology a robust science? To answer such a question, this course will encourage you to think critically about how psychological research is conducted and how conclusions are drawn.
To enable you to truly understand how psychology functions as …
In 2011, Daryl Bem published a paper that seemed to demonstrate evidence for extra sensory perception (ESP). Four years later, the Open Science Collaboration failed to replicate 67 of 100 published psychological studies. These results and others have …
Objective To review patterns of publication of clinical trials funded by US National Institutes of Health (NIH) in peer reviewed biomedical journals indexed by Medline. Design Cross sectional analysis. Setting Clinical trials funded by NIH and …
Objectives
The ultimate goal of biomedical research is the development of new treatment options for patients. Animal models are used if questions cannot be addressed otherwise. Currently, it is widely believed that a large fraction of performed …
Secondary data analyses occur when new analyses are proposed for existing data. Although they are prevalent in special education research, there is little guidance on how to prepare secondary data analyses studies. Preregistration of secondary data …
Recently, a reporter in the Chronicle of Higher Education wrote that “psychology is having an uneasy moment” (Zamudio-Suarez, 2016). The “uneasy moment” to which she referred is a movementof field self-criticism that has gained incredible steam and …
Pre-analysis plans (PAPs) are a potential remedy to the publication of spurious findings in empirical research, but they have been criticized for their costs and for preventing valid discoveries. In this article, we analyze the costs and benefits of …
Flexibility in the design, analysis and interpretation of scientific studies creates a multiplicity of possible research outcomes. Scientists are granted considerable latitude to selectively use and report the hypotheses, variables and analyses that …
Clinical trials are routinely preregistered. In psychology and the social sciences, however, only a small percentage of studies are preregistered, and those preregistrations often contain ambiguities. As advocates strive for broader uptake and …