Testing participants in every counterbalancing order is cumbersome beyond three levels of the IV. What is the best way for researchers to get around this difficulty?
a. Randomly assign participants to one of the 24 possible orders
b. Test everyone in the same order
c. Limit the IV to three levels
d. Use only two of the 24 possible orders
Ans: A
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When studying heritability, what benefit is there to a study of identical twins raised in different homes?
A. It isolates genetic contributions. B. It isolates environmental contributions. C. It ensures a broad sample of possible environments. D. It holds environmental factors constant.
According to Piaget, children begin to develop concepts and the ability to think in terms of abstractions in the ________ stage
a. concrete-operational b. preoperational c. sensory-motor d. formal-operational
While waiting for his car to be fixed, John was suddenly overcome by an intense fear he has never experienced before. His heart was racing so fast he wondered if he was having a heart attack. John's symptoms are most consistent with a diagnosis of
a) fugue. b) dysthymia. c) panic disorder. d) depersonalization.
If a person appears to respond the same way over time, attribution theory states that the behaviour shows
a. distinctiveness. b. consensus. c. consistency. d. continuity. e. reliability.