Researchers have examined whether gender differences in some cognitive areas might be explained by hormonal factors. The discussion of this possibility emphasizes that
a. the levels of hormones prior to birth do have an effect on the performance of spatial tasks.
b. during puberty, the level of an important hormone increases more in males than in females, and this factor explains part of the male advantage on complex math tasks.
c. the results of this research are often contradictory or complex.
d. because this research has been carefully conducted, this is the most likely of the biological explanations for cognitive gender differences.
C
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According to Piaget, what do adolescents rely on during the formal operational stage of cognitive development that helps them reason differently than children in the concrete operations stage?
A. an enlarged prefrontal cortex B. genetic abilities C. propositional thought D. trial and error experience from previous years
Dr. Thornton specializes in psychotherapy with a particular ethnic group. Compared to people from other ethnic groups, Thornton's clients are more likely to keep their feelings to themselves. Thornton understands that this should not lead him to interpret his clients as being uncooperative or avoidant. In addition, Thornton recognizes that people with this cultural background are more likely to
emphasize collective values than individualism. Dr. Thornton is most likely to be working with which ethnic group? a. Latino Americans b. African Americans c. Asian Americans d. European Americans e. Native Americans
Amphetamines such as Methedrine and Dexedrine _____ the levels of dopamine and norepinephrine in the brain.
A) markedly decrease B) increase C) slightly decrease D) usually do not affect
"The goal of scientific psychology should be to predict and control behaviour that benefits society." This statement is associated with which psychologist?
A) Freud B) Washburn C) Watson D) Rogers