A Two-Way ANOVA with Interaction Has How Many Sources of Variation

question 79

Multiple Choice

A two-way ANOVA with interaction has how many sources of variation?

• A)5
• B)4
• C)3
• D)2

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Definitions:

Pretest-posttest Design

A research methodology that measures participants before and after an intervention, allowing for comparisons.

Participant Mortality

In research, the loss of participants from a study before it is completed due to withdrawal, loss to follow-up, or death.

Attrition

The loss of subjects who decide to leave an experiment. See mortality.

Exercise Program

A structured regimen or plan of physical activities designed to improve fitness or achieve a specific health outcome.