Mathematics, 03.09.2021 17:10 dartsummersillp3ff0a

One psychological study investigated whether intelligence declines with age. Experimenters took subjects from different age groups, running from late childhood through old age, administered IQ

tests to each age group and then looked how the results changed from one age group to an-

other. What observation method did researchers use in this study?

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One psychological study investigated whether intelligence declines with age. Experimenters took su...

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