When magazines report the results of reader surveys, what is the major weakness?
A)self selection
B)low number of returns
C)use of nonprobability rather than probability sampling techniques
D)they fail to survey the entire population

Question

Quizplus · Accepted Answer

Self-selection is a major weakness because it means that the respondents are not randomly chosen, leading to biased results as only those interested may respond.

When Magazines Report the Results of Reader Surveys, What Is