Identify a possible reason for the changes in fluid and crystallized intelligence of different age groups in John Horn's cross-sectional study.
A)Secular trends
B)Cohort effects
C)Declining IQ with age
D)Biases in IQ testing

Question

Quizplus · Accepted Answer

Cohort effects refer to differences in experiences and opportunities among different age groups, which can influence their cognitive abilities. It is possible that the changes in fluid and crystallized intelligence observed in the study are due to cohort effects, rather than a natural decline in intelligence with age or biases in IQ testing.

Identify a Possible Reason for the Changes in Fluid and Crystallized