Psychologist Kimberly Young, whose research on Internet addiction was discussed at the beginning of Chapter 2, argues that over half of all college students suffer poor grades due to excessive Internet use. This may or may not be true. Young's research findings are based on nonrepresentative samples and may thus lack:

Question

Quizplus · Accepted Answer

External validity refers to the extent to which research findings can be generalized to the broader population. Nonrepresentative samples can limit external validity because they may not accurately reflect the characteristics of the population being studied. Therefore, Young's research findings may lack external validity because they were based on nonrepresentative samples. Choices B, C, D, and E are not relevant to this issue.

Psychologist Kimberly Young, Whose Research on Internet Addiction Was Discussed