Rofessor 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? cohort design longitudinal design behavior genetics design cross-sectional design cross-sequential design

Professor Grant is using "Cross-sectional research design".

A cross-sectional study includes taking a look at individuals who contrast on one key characteristic at one specific point in time. The information is gathered in the meantime from individuals who are comparable in different attributes however unique in a key factor of interest , for example, age, pay levels, or geographic area. Participants are generally isolated into gatherings known as cohorts.

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