Question 1

The purpose of random assignment of subjects to conditions is

Accepted Answer

A)   to eliminate confounding of subject-related variables
B)   to make groups equal
C)   to permit the use of statistics
D)   Both a and c are true.E) B) and C)
F) A) and B)

Question 2

What is the main purpose of matching?

Accepted Answer

A)   to reduce initial differences between the experimental and control groups on the dependent variable
B)   to reduce the amount of variability among subjects within each treatment group
C)   to control for order effects
D)   to control for sequence effectsE) C) and D)
F) B) and D)

Question 3

If the independent variable is magnitude of reward,then subjects who experience a large reward (say,$200) first may respond less to a small reward (say,$20) .This is a(n)

Accepted Answer

A)   Situation in which to use a within-subjects experiment
B)   Example of a contrast effect
C)   Example of a concurrent effect
D)   Situation in which an experiment cannot be performedE) C) and D)
F) All of the above

Question 4

Subjects may be used as their own control when

Accepted Answer

A)   experiencing one condition is unlikely to influence the response to another
B)   using statistical control is impossible
C)   there are likely to be sequence effects
D)   a within-subjects condition is not possibleE) None of the above
F) C) and D)

Question 5

Within-subjects experiments always have

Accepted Answer

A)   control groups
B)   control conditions
C)   random assignment of subjects to conditions
D)   nuisance variablesE) All of the above
F) A) and B)

Exam 8: Control

What is the main purpose of matching?

Correct Answer
verified

If the independent variable is magnitude of reward,then subjects who experience a large reward (say,$200) first may respond less to a small reward (say,$20) .This is a(n)

Correct Answer
verified

Subjects may be used as their own control when

Correct Answer
verified

The purpose of random assignment of subjects to conditions is

Correct Answer
verified

Within-subjects experiments always have

Correct Answer
verified

Exam 8: Control

What is the main purpose of matching?

Correct AnswerverifiedShow Answer

If the independent variable is magnitude of reward,then subjects who experience a large reward (say,$200) first may respond less to a small reward (say,$20) .This is a(n)

Correct AnswerverifiedShow Answer

Subjects may be used as their own control when

Correct AnswerverifiedShow Answer

The purpose of random assignment of subjects to conditions is

Correct AnswerverifiedShow Answer

Within-subjects experiments always have

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified