The genetic influences that determine behavior may never be fully understood due to __________.
A. the ease of research to differentiate between the effects of the environment and the effects of genes
B. the likelihood that most behaviors are determined by the interaction of many genes and the environment
C. the tendency to rely on twin studies in genetic research
D. our significant understanding of how genes impact brain chemistry
Answer: B
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"Look before you leap" may be used as a(n) __________ to avoid danger
a. mental set c. heuristic b. systematic random search d. intuition
Whereas confounds threaten _________, artifacts threaten _________
A) validity; reliability B) reliability; validity C) internal validity; external validity D) external validity; internal validity
When people actively seek out information to support their beliefs while ignoring data that refutes their beliefs, they are engaging in the availability heuristic
Indicate whether this statement is true or false.
Estimates indicate that about ________ in 10 people in the United States suffer from at least one specific phobia
a. 1 b. 2 c. 3 d. 4