Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uu-Power-805-en_uu-Power-805-en
    nameuu-Power-805-en
    sectionInferential Statistics/NHST/Power
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy

    Question

    If an intervention effect is tested and the test has α = 5% and a power of 80%, which of the following statements is correct?

    1. The probability of concluding that the intervention has an effect AND we detect it is 80%. II. The power would be lower if the test had been conducted with α = 1%.

    1. FALSE: Utterance I is correct, utterance II is incorrect.
    2. FALSE: Utterance I is incorrect, utterance II is correct.
    3. TRUE: Both utterances are correct.
    4. FALSE: Both statements are incorrect.