When the relationship between age and mental abilities is studied through cross-sectional methods, the results often conflict with the findings from longitudinal studies
Explain the basic procedures in each type of study and then discuss why the two methods sometimes yield different results.
What will be an ideal response?
Answer: A good answer will include the following key points.
? Longitudinal studies examine the same people over a period of time, reassessing them periodically.
? Cross-sectional studies examine groups of people of different ages at the same time.
? Longitudinal studies are especially useful to study changes in individuals over time.
? The two types of studies can reach different conclusions because cross-sectional studies measure generational differences, in addition to changes that occur as people age.
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Indicate whether the statement is true or false
Although he sometimes forgets the number 8, 4-year-old Tucker can count to 10
When his teacher counts out a set of 9 cards, saying each number as she proceeds, Tucker knows that the last number that the teacher says indicates the quantity of cards in the set. Tucker grasps the concept of A) false belief. B) computation. C) ordinality. D) cardinality.