Even if you’re not a professional researcher or scientist, you might have at some point here about a study or research finding on the news that claims that something is statistically “significant.” You might have wondered what this means, and why it matters. If you’re a researcher, you might have wondered about why ¬the idea...Read More

Overview: T-tests are the perhaps one of the most simple types of statistical tests. The goal here is simply determining if one mean is statistically different than another mean. When to use an independent samples t-test: You perform an independent samples t-test (also known as a between subjects t-test) when comparing two continuous, unpaired means....Read More

Mediation and Moderation are often confused topics. Here, I’ll talk about the differences between the two and what they’re statistically testing. Put simply: Moderation attempts to show that a variable changes the relationship between X and Y. Mediation attempts to show that a variable is the channel through which X influences Y.​ Moderation Moderate is just a fancy word for “changed” or...Read More