statistics

Is Big Data Always Better Data?

IO psychology isn’t immune to popular trends, and the most popular trend to hit our world recently is “big data.” It’s easy to get carried away by the promises of huge samples, but is bigger always better? In this article…


Teaching Stats the Non-Awful, Non-Boring Way

Jess Hartnet, 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…


On Statistics & Race Cars

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…



A Sensible, Practical Proposal

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…


Jeff Dahlke on Reproducibility

In this episode, you’ll hear me continually confuse “reproduce” and “replication” and listen to my bird scream in the background. Also, Jeff Dahlke talks about some smart researchy stuff while I smack myself in forehead, realizing all the many, many…