What are the findings from cross-sectional studies on IQ that are no longer thought to be true?
A. Intelligence peaks in early adulthood, declines through middle adulthood, and drops steeply in late adulthood.
B. Intelligence varies by gender with males' IQ showing greater declines over time than females' IQ.
C. IQ scores increase into middle adulthood.
D. Intelligence varies by gender with females' IQ showing greater declines over time than males' IQ.
Answer: A
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Which of these is responsible for Parkinson's disease?
a. A loss of myelin by axons in the spinal cord b. Excess cholesterol in certain brain areas c. A decay of axons that release dopamine d. A loss of receptors for serotonin
The dramatic rise in obesity since the 1980s seems to have been caused by __________.
A. genetic mutations B. an as-yet-unknown combination of genes C. a trend for people to eat more calories per day and to be less physically active D. a trend toward people getting less and less sleep
Regarding the treatment of obsessive-compulsive disorder, it was discovered that:
A. antidepressant drugs are only effective for compulsions involving checking B. psychoanalysis is highly effective C. spontaneous recovery of obsessions occurs within minutes of the therapy session D. not all people respond to drug treatment
Research on the consistency of behavior shows that while people may not always act consistently within a situation, they do tend to act consistently across situations
Indicate whether the statement is true or false