Eric is conducting a study in which he compares narcissism levels in 20-, 40-, and 60-year-olds. He finds that younger people are more narcissistic, and concludes that narcissism weakens as a person ages. A colleague points out to him that perhaps the younger people are more narcissistic not because of their age, but because they were surrounded by social media as they grew up, and that exposure to things like Facebook might be what promotes narcissism rather than youth. The older participants were not exposed to Facebook in their early years. Eric's colleague is raising the possibility of a(n) ____ effect.

Question

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Eric's colleague is suggesting a cohort effect, which refers to differences that are not due to age itself but rather to the unique experiences of a particular generation or group.

Eric Is Conducting a Study in Which He Compares Narcissism