What’s Your Personality?

Tests like the Myers-Briggs Type Indicator are fun. But if you want to learn about yourself or use the results to make real-life decisions, you should be aware of the red flags that scientists have raised about tests like these.
False Portraits

Do Personality Tests Work?

By Jennifer V. Fayard Ph.D.

Why popular personality tests draw us in when they don't even work.
What Is Clustering Analysis?

What Is Clustering Analysis?

By Gary Klein Ph.D.

And the difference from factor analysis.