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ANOVA Models in Epidemiology and Medical Statistics

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ANOVA Models in Epidemiology and Medical Statistics

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Questions and Answers

What does ANOVA stand for?

Analysis of Values

Analysis of Variables

Analysis of Volumes

Analysis of Variability (correct)

In ANOVA procedures, what does F represent?

Final value

Frequency

Factors

F-test statistic (correct)

What is the purpose of a One-Way ANOVA?

To compare means of one group on multiple variables

To compare means of two or more groups on one independent variable (correct)

To compare variances between two or more groups

To compare one group with different control groups

Why is it preferable to use One-Way ANOVA instead of conducting multiple t-tests?

Using One-Way ANOVA reduces the chance of drawing inappropriate conclusions Signup and view all the answers

What do the columns in an ANOVA Source Table represent?

Sources of variability Signup and view all the answers

What is the purpose of ANOVA in the context provided?

To provide a single answer on group differences Signup and view all the answers

What is a requirement for conducting a one-way ANOVA?

Equal variances of the dependent variable for each level of the independent variable Signup and view all the answers

When should a repeated-measures ANOVA be conducted?

When participants belong to more than one group each Signup and view all the answers

What makes a factorial ANOVA powerful compared to a one-way ANOVA?

It assesses the effects of interactions between variables Signup and view all the answers

What do interactions refer to in factorial ANOVA?

The effect of one variable on another variable Signup and view all the answers