Adoption studies reveal that
A) adopted children show a significant decline in IQ across middle childhood and adolescence, regardless of rearing conditions.
B) children of low-IQ biological mothers do as well as children with high-IQ biological mothers when placed in similar adoptive homes.
C) genetic factors play a much greater role in IQ than environmental factors.
D) when children of low-IQ mothers are adopted at birth by parents who are well above average in income and education, they score above average in IQ during the school years.
D
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In order to meet the criteria for a major depressive episode, a person must have __________.
A. disinterest in pleasurable activities for at least two weeks B. racing thoughts for at least a week C. feelings of grandiosity over a period of three weeks D. ongoing intense irritability or violent outbursts
When Dr. Arnold says his patient displays alogia, he means that she ____
a. experiences a lack of meaningful speech b. experiences an inability to take action or become goal-oriented c. shows little or no emotion in situations that would call for strong emotions d. displays emotions that are totally inappropriate to the situation