Objective Measurement of Subjective Phenomena
Validity involves, in its broadest construal, whether a scale assesses the construct it was intended to assess (Cronbach & Meehl, 1955).
Traditional Tripartite Delineation of Validity – The 3C’s of Validity
Judgment by experts that domain of interest has been properly sampled
Correlation of test score with one or more criteria it should predict:
- Predictive Validity – test score correlates with criterion obtained at a later point in time