Analysis of Variance (ANOVA) Is Used to Test an Effect

question 44

Multiple Choice

Analysis of variance (ANOVA) is used to test an effect when more than ______ groups or conditions are being considered.

• A) two
• B) one
• C) four
• D) five

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Definitions:

Nominal Variable

A type of variable that represents categories with no intrinsic ranking or order.

Stepwise Regression

A method of regression analysis in which variables are added or removed from a multivariable model in a step-by-step fashion based on statistical criteria.

F-statistic

A ratio used in statistical analysis to compare the variance across different groups to evaluate the significance of relationships between variables in a linear model.

P-value

A statistical measure that helps scientists and researchers determine the significance of their research results.