Psychology Videos > Research Methods & Statistics

One-Tailed and Two-Tailed Tests

In this video you'll learn about Type 1 and Type 2 errors that occur in research and statistics.

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)