At age 4, Billy is more aggressive than Gary, who is more aggressive than Dave. If we wished to determine the stability of aggressiveness over time in these three boys, we would have to conduct a _____.

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Quizplus · Accepted Answer

A longitudinal study tracks the same individuals over a period of time, so it would be the best choice to assess the stability of aggressiveness over time in these three boys. A cross-sectional study involves comparing different age groups at the same point in time, a microgenetic study involves observing development at a very fine-grained level, and a cross-cultural study compares different cultures.

At Age 4, Billy Is More Aggressive Than Gary, Who