Which of the following statements is true about correlation?
a. Positive correlations are meaningful, but negative ones are not.
b. Negative correlations are weak, but positive ones are strong.
c. Correlations close to +1.0 or 1.0 are strong, whereas correlations close to 0 are weak.
d. A strong correlation is indicative of a causal relationship between variables.
Answer: c
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In the 1950s and 1960s, mainstream psychology was divided between two main theoretical camps: ____
a. trait theory and behaviorism b. Freudian psychoanalysis and humanism c. humanism and trait theory d. behaviorism and Freudian psychoanalysis
A research study in which rats were exposed to "amusement parks" containing ladders, platforms, and boxes demonstrated that rats exposed to these enriched environments had ____.
A. more myelin B. larger brains C. longer axons D. more efficient synaptic activity
Suppose a friend is pregnant and experiences morning sickness at the same time every day. She drinks chamomile tea to alleviate her nausea. She doesn’t drink chamomile tea again but finds the smell makes her feel slightly nauseated. In fact, the taste and smell of all teas make her feel sick. This latter is due to the classical conditioning idea of
a. operations b. reward c. unconditioned stimulus d. generalization
A wife comes home from work and finds her husband studying for a test. Trying to be thoughtful, she tells him how much she appreciates his dedication to school. Based on research on the relationship between affect and cognition,
most probably her husband will a. be positively affected by her comments and do better on his test. b. be distracted by her comments and do poorly on his test. c. not be affected one way or another by the compliment. d. feel better about himself, but be unaffected with respect to his test performance.