If the high and low groups in a known group instrument test score similarly, what can a researcher conclude about the instrument?
A) The instrument should be reevaluated using divergent testing.
B) The instrument demonstrates convergent validity.
C) The instrument does not demonstrate construct validity.
D) The instrument is reliable but not valid.

Question

Quizplus · Accepted Answer

If both high and low groups score similarly, it suggests that the instrument may not be effectively measuring the construct it is intended to measure, indicating a lack of construct validity.

If the High and Low Groups in a Known Group