A self-esteem researcher is interested in how self-esteem varies across the lifespan and decides to conduct a survey comparing people of different ages to address this issue.He recruits participants to be in one of four different age groups: 20 to 29,30 to 39,40 to 49,and 50 to 59.He has them complete a self-esteem survey,and then analyzes the data to see whether any patterns emerge.This study would be considered an example of a:

Question

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This study is an example of a cross-sectional design because it compares individuals from different age groups at only one point in time.

A Self-Esteem Researcher Is Interested in How Self-Esteem Varies Across