A researcher is conducting a research study in two high school health sciences c

Question

A researcher is conducting a research study in two high school health sciences classes-Class A and Class B. Each class is composed of 20 junior students. At the beginning of the study the researcher administers a questionnaire to each class about eating habits. The researcher then conducts a special class on healthy eating for Class A. Class B receives its usual instruction by the regular teacher. After the healthy eating class by the researcher, the researcher administers the questionnaire about eating habits to both classes again.

The design of this study could also be characterized as:

Emergent.

Longitudinal.

Retrospective.

Cross-sectional.

Emergent.

Longitudinal.

Retrospective.

Cross-sectional.

Explanation / Answer

Ans : Retrospective

This study design can be characterzed as the retrospective cohort study as the students share a common interest exposure here . After the special class for class A , the study is done again and the results are compared to the initial ones.

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