Research Methods, Statistics, and Applications
Multimedia and Web Resources
Click on the following links. Please note these will open in a new window.
Video Resource
Video 1: The Theory Behind Statistical Significance
Learning Objective: 6-2: The importance of the sampling distribution.
Description: Cartoon that explains central limit theorem, the theory behind statistical significance testing, using examples of rabbit weights and dragon wingspans.
Web Resources
Web 1: Interpret Results
Learning Objective: 6-5: The distinction between statistical significance, effect size, confidence intervals, and practical significance.
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: 6-5: The distinction between statistical significance, effect size, confidence intervals, and practical significance.
Description: An interactive visualization of Cohen’s d effect size.
Data sets
Practice calculating confidence intervals with a data analysis program. Use any of the data sets available on the “Datasets” tab.