Here’s a knowledge organizer I’ve created of the most essential concepts for research methods and statistics in an introductory psychology course. These knowledge organizers are designed to help you identify the most important factual knowledge you need to have in … Read More
The Third Variable Problem
In this video I explain the third variable problem in correlational studies, how matched samples and matched pairs can be used to eliminate a possible third variable, and why measurement alone can never truly solve the third variable problem. Don’t … Read More
Real and Illusory Correlations, Scatterplots, and Causation
In this video I explain the dangers of illusory correlations and confirmation bias, correlational studies, patterns of variation, r-values, scatterplots and conclusions about causation. Try guessing the r-value from a scatterplot at www.guessthecorrelation.com Don’t forget to subscribe to the channel … Read More