List Three Factors That Affect the Statistical Power of a Test

question 27

Essay

List three factors that affect the statistical power of a test. Be sure to list the factor over which researchers actually have some control.

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Definitions:

Power Steering

A system that uses hydraulic or electric assistance to reduce the effort needed to steer a vehicle.

Manual Transmission

A type of vehicle transmission that requires the driver to manually shift gears while driving.

Main Effects

The direct impact of an independent variable on a dependent variable in an experimental design, ignoring the effects of other variables.

Interactions

The reciprocal actions or influences between entities, such as between individuals, groups, or systems.