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?

<p>Using One-Way ANOVA reduces the chance of drawing inappropriate conclusions (B)</p> Signup and view all the answers

What do the columns in an ANOVA Source Table represent?

<p>Sources of variability (C)</p> Signup and view all the answers

What is the purpose of ANOVA in the context provided?

<p>To provide a single answer on group differences (D)</p> Signup and view all the answers

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

<p>Equal variances of the dependent variable for each level of the independent variable (D)</p> Signup and view all the answers

When should a repeated-measures ANOVA be conducted?

<p>When participants belong to more than one group each (C)</p> Signup and view all the answers

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

<p>It assesses the effects of interactions between variables (C)</p> Signup and view all the answers

What do interactions refer to in factorial ANOVA?

<p>The effect of one variable on another variable (D)</p> Signup and view all the answers

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