In developing an instrument to measure self-esteem,the researcher administered the instrument to a group of individuals who were substance abusers and to a group who were not drug users,expecting to see significant differences in scores between the two groups.How should this method of establishing construct validity be categorized?
A) Factor analysis
B) Convergent validity
C) Discriminant validity
D) Contrasted-groups approach

Question

Quizplus · Accepted Answer

Correct D: Two groups of subjects who are suspected to score extremely high or low in the characteristic being measured complete the instrument and differences in scores are examined; the groups should differ and construct validity will be supported.
Incorrect A: The example in the stem does not provide an example of construct validity using factor analysis.
Incorrect B: The example does not illustrate convergent validity.
Incorrect C: The example does not illustrate discriminant validity.

In Developing an Instrument to Measure Self-Esteem,the Researcher Administered the Instrument