Taking effect in 1920, the 18th amendment prohibited the production and sale of alcohol. Prior to this, most states did not have a minimum age for consuming alcohol. Mortality from liver cirrhosis declined in all age groups in the 1920s as a direct result of decreased alcohol consumption. A. Is this an example of an age effect? Why or why not? B. Is this an example of a period effect? Why or whynot? C. Is this an example of a cohort effect? Why or why not?

Social Psychology (10th Edition)
10th Edition
ISBN:9780134641287
Author:Elliot Aronson, Timothy D. Wilson, Robin M. Akert, Samuel R. Sommers
Publisher:Elliot Aronson, Timothy D. Wilson, Robin M. Akert, Samuel R. Sommers
Chapter1: Introducing Social Psychology
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Taking effect in 1920, the 18th amendment prohibited the production and sale of alcohol. Prior to this, most states did not have a minimum age for consuming alcohol. Mortality from liver cirrhosis declined in all age groups in the 1920s as a direct result of decreased alcohol consumption.

A. Is this an example of an age effect? Why or why not?

B. Is this an example of a period effect? Why or whynot?

C. Is this an example of a cohort effect? Why or why not?

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