Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uu-Twoway-ANOVA-830-en_uu-Twoway-ANOVA-830-en
    nameuu-Twoway-ANOVA-830-en.Rmd
    sectionInferential Statistics/Parametric Techniques/ANOVA/Twoway ANOVA
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCase
    LanguageEnglish
    LevelStatistical Literacy

    Question

    A researcher is investigating the effectiveness of a new drug against obsessive compulsive disorder. She randomly assigns the subjects into one of three experimental conditions: placebo, low dose drug, high dose drug. The following result was found for the main effect of experimental group: F(2, 27) = 0.67.

    Which of the following two statements are true:

    1. The within group variance is larger than the between group variance
    2. The between group variance is larger than the within group variance
    3. The F-test is not significant
    4. A post-hoc test is needed to determine which groups significantly differ from eachother

    1. FALSE: Statement I and statement II are correct
    2. TRUE: Statement I and statement III are correct
    3. FALSE: Statement I and statement IV are correct
    4. FALSE: Statement II and statement IV are correct