The key question in a trend study is
A)whether maturation has invalidated the results.
B)whether the measurements following the experimental treatment are a continuation of earlier patterns or mark a decisive change.
C)whether a single random sample or a succession of samples has been used.
D)how the behavior and attitudes of one respondent differ from those of another.
E)all of these.

Question

Quizplus · Accepted Answer

The key question in a trend study is whether the measurements following the experimental treatment are a continuation of earlier patterns or mark a decisive change. The other options may be important considerations in a study, but they are not the key question in a trend study.

The Key Question in a Trend Study Is