Which Statistical Procedure Is Most Appropriate with a Pretest/posttest Design

question 9

Multiple Choice

Which statistical procedure is most appropriate with a pretest/posttest design?

• A) MANOVA, because there are multiple groups
• B) An independent t-test
• C) A four-way ANOVA
• D) ANCOVA

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Definitions:

Regression Analysis

A statistical method for examining the relationship between a dependent variable and one or more independent variables.

Statistical Models

Representations of complex systems through mathematical formulas and algorithms based on statistical principles.

Dependent Variable

The variable in an experiment or study that is expected to change in response to changes in another variable (the independent variable).

Independent Variables

Variables in an experiment or model that are manipulated or changed to observe their effect on dependent variables, helping to determine causal relationships.