Most human traits and behaviors are the result of __________
A) Mendelian heritability
B) polygenic inheritance
C) single genes
D) two alleles
Answer: B
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A student spent a year and a half practicing his ability to memorize sequences of numbers. By the end of the year, how had his memory changed—if at all? a. He had increased his ability to memorize numbers, letters, faces, or anything else. b. He had improved his ability to memorize numbers or letters, but not faces
c. He had improved his ability to memorize numbers, but not letters or faces. d. His ability to memorize had not changed in any way.
A positive symptom of schizophrenia is flat affect, but alogia is a negative symptom.
a. true b. false
People who score high on cognitive complexity are likely to
A) be anxious. B) make appropriate vocational choices. C) be introverted. D) drop out of groups.
Junaid is making minor household repairs. He uses a pan as a hammer and a small nail clipper as a screwdriver. Which of the following statements best characterizes Junaid's problem solving?
A. He is using the representative heuristic. B. He is using trial and error. C. He is forming subgoals. D. He has been released from functional fixedness.