Everything IO Psych
Dr. Marcus Crede has been threatened, legally and physically. His crime? Pointing out problems in published research. Lack of pre-registration, lack of power analysis, obvious calculation errors, impossible statistical results…authors, editors, peer-reviewers and readers are not doing so well. What is happening and what can we do about it? Transcript […]
Jess Hartnett, an IO psychologist teaching at Gannon University, shares weekly tips for teaching statistics at her blog, Not Awful and Boring Ideas for Teaching Statistics. Here’s an excerpt from a recent post: I spent many a summer day at Rehoboth Beach, DE. The seagulls there were assholes. They would […]
The relationship between psychologists and statistics can be likened to the relationship between drivers and cars. Most drivers use cars, but have a minimal understanding of how they work. Our understanding of cars–such as it is–depends on the explanations provided by experts–mechanics and engineers. It follows, then, that our understanding […]
The bar is dark and dingy, well-used, with a bit of danger in the air. Seth Godin If your job includes communicating stats and data to decision-makers, read this blog post. Read: An Anecdote and a Statistical Analysis Walk into a Bar
Nonetheless, we disagree that a statistical significance-based “filtering process is useful to avoid drowning in noise” in science and instead view such filtering as harmful. First, the implicit rule to not publish nonsignificant results biases the literature with overestimated effect sizes and encourages “hacking” to get significance. Second, nonsignificant results […]