Concerns that the growing competition for funding and citations might distort science are frequently discussed, but have not been verified directly. Of the hypothesized problems, perhaps the most worrying is a worsening of positive-outcome bias. A …
Science is often romanticised as a flawless system of knowledge building, where scientists work together to systematically find answers. In reality, this is not always the case. Dissemination of results are straightforward when the findings are …
Daniel Glaser apprehensively revisits an article of his that saw some fallout due to a study he cited. But that study was not the only one involved in what is now being called a crisis for psychology and further afield
Objective: To assess the performance of novel contour enhanced funnel plots and a regression based adjustment method to detect and adjust for publication biases. Design: Secondary analysis of a published systematic literature review. Data sources: …
How likely are published findings in the functional neuroimaging literature to be false? According to a recent mathematical model, the potential for false positives increases with the flexibility of analysis methods. Functional MRI (fMRI) experiments …
Background: Meta-analyses play an important role in cumulative science by combining information across multiple studies and attempting to provide effect size estimates corrected for publication bias. Research on the reproducibility of meta-analyses …
Investigators from a large consortium of scientists recently performed a multi-year study in which they replicated 100 psychology experiments. Although statistically significant results were reported in 97% of the original studies, statistical …
This course will examine current controversies and new developments in research methods in psychology. The goal of the course is to learn to think critically about how psychological science is conducted and how conclusions are drawn. We will cover …
Psychological research is in the midst of what has been called the “replication crisis”, in which questions have been raised about the validity of even seminal research findings. How can we tell if the research we’re reading and doing is rigorous and …
This course is designed to be delivered to master and doctoral students at the Universidade Federaldo Rio Grande do Sul (UFRGS). The structure is organized to (1) provide basic skills to enhance overall transparency and methodological …