Professor grant is interested in studying the development of a sense of humor. she collects data from groups of 6-year-olds, 16-year-olds, 26-year-olds, and 46-year-olds. what type of research design is professor grant using?

a. cohort design
b. longitudinal design
c. behavior genetics design
d. cross-sectional design

D. cross-sectional design

Explanation:

Cross-sectional design: In psychology, the term cross-sectional research design is defined as an observational type of research design. A researcher while conducting a cross-sectional research design investigates the exposure and the outcome in the research participants simultaneously. The cross-sectional research design is considered as purely descriptive.

Example: A researcher uses different age-group people for researching the prevalence of cancer in a particular population who smokes.

In the question above, Professor Grant is using a cross-sectional research design.

well its not not rising unemployment and falling inflation.

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