Which sentence describes a cohort difference that might emerge in research on adult intelligence?
The typical middle-aged man is better at reasoning ability than he is at math.
A 75-year-old man shows a marked decrease in all five primary mental abilities.
Today's middle-aged women have better verbal skills than the middle-aged
women of an earlier generation did because more of them today are employed.
High-school seniors who plan to attend college score higher in verbal
comprehension and mathematical ability than do their classmates.
Today's middle-aged women have better verbal skills than the middle-aged women of an earlier generation did because more of them today are employed.
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Your little brother, who is 8 years old, has gained a lot of weight over the past couple of years and your parents are concerned. At his annual physical exam, the doctor indicated that he had a BMI of 23 . This means that your brother ____
a. is obese b. is overweight c. is of normal weight d. is actually underweight for his age
Epidemiological studies ______
a. neither point to potential causal factors nor control for selection factors b. point to potential causal factors but do not control for selection factors c. control for selection factors but do not point to potential causal factors d. control for selection factors and point to potential causal factors