Click on the following links. Please note these will open in a new window.

Video Resource

Video 1: One-Sample t Test

Learning Objective: 7-1: How to compare a sample to a known population value when you have interval or ratio data using the one-sample t test.

Description: Series of videos that explains the null hypothesis, alternative hypothesis, and the one-sample t test.

Web Resources

Web 1: Interpret Results

Learning Objective: 7-1: How to compare a sample to a known population value when you have interval or ratio data using the one-sample t test. | 7-2: How to compute the effect size when comparing a sample to a known population.

Description: Provides visual explanations of how to interpret statistical significance and effect sizes. Also discusses practical significance.

Web 2: Cohen’s d Effect Size

Learning Objective: 7-2: How to compute the effect size when comparing a sample to a known population.

Description: An interactive visualization of Cohen’s d effect size.

Data sets

Practice calculating a one-sample t with a data analysis program. Use any of the data sets available on the “Datasets” tab.