A+
In a 3‐way factorial ANOVA, a significant omnibus interaction effect of Factor 2 x Factor
3 means that: - answersDisregarding Factor 1, the effect of Factor 2 changes at
different levels of Factor 3, and/or the effect of Factor 3 changes at different levels of
Factor 2.
What is the difference between a main effect in a two‐way design and a main effect in a
three‐way design? - answersIn a two‐way design, a main effect indicates that the levels
of the factor differ collapsing over 1 other factor, whereas in a three‐way design it
indicates that the levels of the factor differ collapsing over 2 other factors.
Q12 Which of the following statements is true about mediation analysis in regression? -
answersThe IV should predict the mediator.
In a two‐way _______ ANOVA design the number of error terms is _______ . -
answersSplit‐plot ; 2
Compared to a between‐groups ANOVA design with the same N, a within‐groups
ANOVA design should deliver: - answersLower Type 2 error.
A researcher conducts a 3 x 2 repeated‐measures ANOVA, with Factor A having 3
levels and Factor B having 2 levels. Which of the following is the correct error term for
Factor B? - answersThe interaction of the participant factor with Factor B
In a 2 x 4 between‐subjects design, based on 120 subjects, df for the interaction term
will be: - answers3, 112
The significant main effect of A in a 3‐way between‐subjects design makes you certain
about which of the following? - answersDisregarding B and C, the means of the levels of
A are not equal
Which of the following is NOT expected in a blocking design where A is the blocking
factor and B is a treatment factor? - answersa. A main effect of A
b. A main effect of B
c. An interaction of A and B
d. None of the above (all are expected)
Answer is C