According to Abraham Kaplan's (1964) discussion, which of the following are not included in the three classes of things that a researcher measures?
a. direct observables
b. indirect observables
c. constructs
d. discrete observables
Question 2
Criterion-related validity refers to
a. a comparison of measures to some external criterion
b. an empirical measure that may or may not agree with our common understanding of a particular concept
c. the degree to which a measure covers the range of meanings included within the concepts
d. the basis of logical relationships among variables