The researcher’s statement which states “Math achievement will be measured by the score made on the mathematics subtest of CLSU Tests of Educational Development” is an example of which of the...

The researcher’s statement which states “Math achievement will be measured by the score made on the mathematics subtest of CLSU Tests of Educational Development” is an example of which of the following research contexts? A. Hypothesis B. Theoretical principle C. Constitutively defined construct D. Operationally defined construct