Vincent observes the eating behavior of five-year-olds in a school. he then analyzes the eating behavior of the same group of children when they are at 12 years of age. he continues to analyze the changes in their eating behavior when they are in their early 20s. which of the following types of research design is vincent using in his research?
a. cross-sectional
b. longitudinal
c. prevalence
d. transversal

B. longitudinal

Explanation:

According to my research on various Sociological studies, I can say that based on the information provided within the question Vincent is using a longitudinal research design. This design is a research model in which the person conducting the experiment follows a certain variable repeatedly for very long periods of time.

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answer; /// i do believe that the correct answer is (d) cooperative play; /// good luck

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