Which of the following types of reliability estimates is the most expensive due to the costs involved in test development?
A) test-retest
B) parallel-form
C) internal-consistency
D) Spearman's rho

Question

Quizplus · Accepted Answer

Parallel-form reliability estimates require the development of two distinct forms of the same test, which involves additional time, effort, and costs compared to test-retest and internal-consistency reliability estimates. Spearman's rho is a measure of correlation rather than a type of reliability estimate.

Which of the Following Types of Reliability Estimates Is the Most