An Effect Size of

question 34

Multiple Choice

An effect size of .21 would be considered a(n) ________________ effect size.

• A) small
• B) medium
• C) large
• D) insignificant

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Definitions:

Coefficient of Determination

A statistical measure that calculates the proportion of variance in the dependent variable predictable from the independent variable(s).

Regression Plane

A three-dimensional plane that best fits a set of points in a multiple regression model, used for prediction.

Independent Variables

Variables in an experiment or statistical model that are manipulated or changed to determine their effects on dependent variables.

Unadjusted Coefficient

A coefficient in a statistical model that has not been modified to account for potential confounding variables.