Multiple Choice
Which of the following is NOT true of control variables?
A) They help define the control group.
B) They help establish internal validity.
C) They are essential in experimental designs.
D) They are not really variables.
E) They are kept the same for all participants.
Correct Answer:

Verified
Correct Answer:
Verified
Q4: What is a design confound? What type
Q9: RESEARCH STUDY 9.3<br>Dr. Phillips is a cognitive-developmental
Q10: Using a matched-group design is especially important
Q11: Dr.Kline,an environmental psychologist,conducts a study to examine
Q12: RESEARCH STUDY 9.1<br>Dr. Lonsbary is a cognitive
Q15: Order effects can be controlled by using
Q16: RESEARCH STUDY 9.1<br>Dr. Lonsbary is a cognitive
Q17: A threat to internal validity occurs only
Q19: RESEARCH STUDY 9.1<br>Dr. Lonsbary is a cognitive
Q49: Explain why experiments are better than your