Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-277-en_uva-paired-samples-277-en
    nameuva-paired-samples-277-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.023
    p-value0.1104

    Question

    An experiment examines the effect of a diet product on body weight. To this end, one of 20 twins is randomly placed in the the treatment group and one in the control group. The treatment group receives the diet product for two months, while the control group receives a placebo. After two months everyone’s weight is measured. The most appropriate test to test whether the diet product effect on body weight in this trial design is the


    1. FALSE: F-test for equality of variances.
    2. FALSE: T-test for two independent samples
    3. TRUE: Paired T-test
    4. FALSE: CRD-ANOVA

    1. F-key for equality of variances: Incorrect
    2. T-test for two independent samples: Incorrect
    3. Paired T-test: Correct
    4. CRD-ANOVA: Incorrect