Which of the following is an example of a cohort effect? Group of answer choices the shift in the attitudes of a country's population toward gay marriage from the 1960s till the early 2000s the shift in the average life expectancy of an older cohort from the 1960s till the early 2000s the impact of the Great Depression on the rich and the poor the impact of the civil rights movement on the economy of the United States in the 1970s

The impact of the Great Depression on the rich and poor

Explanation: A cohort is a group of individuals who experienced or share a common event in a specific time period. The cohort effect is used to describe various characteristics of an area of study such as the incidence of a characteristic over time among subjects who are defined by some shared life experience such as the Great Depression.

The Great Depression may have affected the poor and the rich differently but the events leading up to, during and the aftermath is an experience that was shared by both the rich and poor and this shared experience may influence the entire group's opinions and decisions for several years.

the shift in the attitudes of a country's population toward gay marriage from the 1960s till the early 2000s

Explanation:

Cohort effect is the tendency for a commonly aged group of people who share a common identity to be subjected to a common age related influence such as a shift in opinions or perceptions, it is variations over time, in one or more characteristics, among groups of individuals defined by some shared experience such as year or decade of birth.