Which of the following is an example of longitudinal research? Multiple Choice Dr. Stewart has been studying a group of people every 15 years since they were aged 10 to understand how the quality of child care correlates with personality development. Dr. Lee has been conducting surveys among people aged between 30 and 50 to find ways to help them move away from their sedentary lifestyles. Dr. Filch has been studying three groups of children aged 5, 10, and 15 to understand their problem-solving capabilities. Dr. Cooper has been observing three groups of men of different ages but similar occupations and the same social class to study the incidence of cognitive impairment.

Dr. Stewart has been studying a group of people every 15 years since they were aged 10 to understand how the quality of child care correlates with personality development.

Explanation:

Longitudinal research: In psychological research, the term "longitudinal research" is determined as one of the different types of "correlational research" that generally encompasses studying specific variables over an extended time-period. However, longitudinal research can take place over a week period, month, or years also.

Longitudinal research is a very time-consuming research as it can take as much as time the researchers wants to take.

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