Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_vufgb-multiplelinearregression-014-en_vufgb-multiplelinearregression-014-en
    namevufgb-multiplelinearregression-014-en
    sectionInferential Statistics/Regression/Multiple linear regression
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    Agresti and Finlay (2009) recommend that in a multiple regression model that incorporates an interaction between quantitative predictors, the predictors should be centered. Why?

    Not centering leads to:


    1. FALSE: Less variance explained by the model.
    2. TRUE: A lower t value for the interaction effect.
    3. FALSE: An artificial quadratic effect in the model.
    4. FALSE: Overlap in explained variance by predictors.

    1. Incorrect
    2. Correct
    3. Incorrect
    4. Incorrect