271. When the k population means are truly different from each other, it is likely that the average error deviation:
is relatively large compared to the average treatment deviations.
is relatively small compared to the average treatment deviations.
is about equal to the average treatment deviation.
differ significantly between at least two of the populations.
Correct answer: (B) is relatively small compared to the average treatment deviations.
272. If the F-Value calculated from the data is 0.9, the result is statistically significant
Always
Sometimes
Never
Illogical Question
Correct answer: (C) Never
273. ______________ designs are research designs with more than one independent variable.
Simple
Monotonic
Factorial
Multi
Correct answer: (C) Factorial
274. What statistical procedure is used to assess the statistical significance of the main effects and the interaction(s) in a factorial design?
t-test
correlation
analysis of covariance
analysis of variance
Correct answer: (D) analysis of variance
275. In a factorial design, a(an) ______________ between independent variables indicates that the effect of one independent variable is different at different levels of the other independent variable.
main effect
factorial effects
interaction
collaboration
Correct answer: (C) interaction
276. Scatter diagrams show the relationship between:
Two variables
The dependent variable along the y axis
The dependent variable along the x axis
None of these
Correct answer: (A) Two variables
277. How would an interaction be indicated in a line graph? 2/5