Video and Multimedia

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Video Clips

Effect Size
This video describes how to calculate the effect size for independent samples tests (2:24).

How to Report Statistics in APA Style
This is a tutorial for reporting statistics in APA style including special scripts/symbols and Equation Editor function in Word. Provides basic format for reporting results of the test and other tests of significance (may be helpful for future chapters) (9:22).

Confidence Intervals for Independent Samples t Test
Example of how to calculate confidence intervals for independent samples test (2:53).

Audio Clips

Statistical vs. Practical Significance Using t Tests
This brief lecture describes statistical vs. practical significance using the one-sample test as an example (3:07).

Web Resources

t Tests
Describes tests and includes links to other helpful websites to further understand related concepts.

Degrees of Freedom
This website provides an overview of degrees of freedom by giving definitions and examples.

Effect Size and How to Report in APA Style
Describes effect sizes, significance, and gives examples of how to report results in APA style.

Understanding Confidence Intervals and Effect Size Estimation
Describes confidence intervals, misconceptions, and tips for interpretation.