Multiple Choice
Error variance must be minimized in an experiment because it
A) leads to confounding.
B) makes the effects of the independent variable harder to detect.
C) leads to differential attrition.
D) increases expectancy effects.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: Discuss four common threats to internal validity.
Q3: A researcher has 80 participants for a
Q4: What are demand characteristics? What steps can
Q5: The degree to which a researcher draws
Q6: Biased assignment<br>A)increases error variance.<br>B)is a particular problem
Q7: Which of the following is a participant
Q8: A researcher designed an experiment to determine
Q9: What are order effects, and how do
Q10: A counseling psychologist conducted an experiment to
Q11: A "perfect" experiment maximizes _ variance and