Demand characteristics are
A) the experimenter's expectancies about what will happen in a study.
B) placebo effects that occur in some experimental conditions but not others.
C) cues that indicate to participants how they should behave.
D) instructions that tell participants what to do in a study.
Correct Answer:
Verified
Q33: Differential attrition decreases internal validity because
A)the independent
Q34: Which of the following contribute to error
Q35: What are the three essential properties of
Q36: Biased assignment
A)increases error variance.
B)is a particular problem
Q37: Error variance must be minimized in an
Q39: In experimental research, researchers regard _ as
Q40: Variance in participants' scores that is not
Q41: Define internal and external validity. Which do
Q42: Distinguish among treatment, confound, and error variance.
Q43: Why must confounding be eliminated in all
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