Why do we need to be cautious about concluding that people are more intelligent than they used to be?
A. Younger people may be more familiar with the types of problems tested.
B. The test items used have actually become easier.
C. The tests do not measure fluid intelligence.
D. Old people have better fluid intelligence than young people.
Answer:A
Why do we need to be cautious about concluding that people are more intelligent than they used to be?
A. Younger people may be more familiar with the types of problems tested. B. The test items used have actually become easier. C. The tests do not measure fluid intelligence. D. Old people have better fluid intelligence than young people.