Which of the following sources of error variance is not accounted for in a coefficient of stability and equivalence?
A) Content sampling
B) Procedures in administering or scoring the test
C) Ability differences among the subjects
D) Time between the equivalent forms
E) Changes in the examinees' emotional state

Question

Quizplus · Accepted Answer

Ability differences among the subjects are not accounted for in a coefficient of stability and equivalence because this coefficient is designed to measure the consistency of test scores across different forms of the test or over time, not differences in ability levels among individuals.

Which of the Following Sources of Error Variance Is Not