Psychology Videos > Research Methods & Statistics


In this video you'll learn about one-tailed and two-tailed statistical tests.

One-Tailed and Two-Tailed Tests

Research Methods & Statistics Videos


Descriptive Statistics Overview (Khan Academy)

Variance of a Population (Khan Academy)

Sample Variance (Khan Academy)

The Normal Distribution (Khan Academy)

Confidence Interval (Khan Academy)

One-Tailed and Two-Tailed Tests (Khan)

The Scientific Method: Steps, Terms and Examples

Hypothesis Testing and P-Value (Khan Academy)

Type 1 and Type 2 Errors (Khan)

Research Methods Part 1 of 3 (w/Zimbardo)

Research Methods Part 2 of 3 (w/Zimbardo)

Research Methods Part 3 of 3 (w/Zimbardo)