What Purpose Does the Adjusted R² Value Serve

question 15

Multiple Choice

What purpose does the adjusted R² value serve?

• A) The variance in the outcome variable if the model was drawn from the population of the sample.
• B) The variance between the predictor and outcome variable.
• C) This is used to correct for the covariance.
• D) It more accurately reflects the sample data.

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Definitions:

Main Effects

The individual impact of each independent variable on the dependent variable in an analysis.

Independent Variables

Factors or conditions in an experiment that are manipulated by the researcher to study their effects on the dependent variables.

Obtained Value

The actual value found from a mathematical calculation or experiment, often compared to expected or theoretical values in hypothesis testing.

Factorial ANOVA

A statistical test used to evaluate the difference between the means of three or more groups based on two or more factors.