Tallulah is a psychologist who plans to study the directionality of the relationship between socioeconomic status and intelligence. She would like to determine whether socioeconomic status predicts intelligence or if intelligence predicts socioeconomic status. Which of the following research designs would allow her to examine this question?
A. Measure IQ in a group of young children whose parents have the same socioeconomic status and then measure the children's IQ again when they are adults.
B. Measure IQ in a group of adults with similar socioeconomic status.
C. Measure IQ in a group of adults and assess whether their current socioeconomic status is different from their parents when growing up.
D. Identify a group of children with the same IQ and socioeconomic status and give them IQ tests each year until they reach adulthood.
Answer: A
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