Multiple Choice
The experimental difference in means between the different levels of any single experimental variable is referred to as a(n) :
A) interaction effect
B) primary effect
C) main effect
D) confound
Correct Answer:

Verified
Correct Answer:
Verified
Q65: Compare and contrast internal validity and external
Q66: Monica is conducting an experiment where all
Q67: Between-subjects designs involve repeated measures because with
Q68: In an experiment,effects are the characteristics of
Q69: An experimental deception that involves a false
Q71: Factorial experimental designs are the least sophisticated
Q72: Covariates are categorical variables like a subject's
Q73: The question as to whether the experimental
Q74: Which of the following occurs if the
Q75: A researcher is conducting an experiment in