The Spearman-Brown prophecy formula should not be used unless the correlation has been obtained on the basis of the
A) test-retest technique
B) alternate forms technique
C) predictive validity technique
D) split-half technique

Question

Quizplus · Accepted Answer

The Spearman-Brown prophecy formula is used to estimate the reliability of a test that has been split in half (split-half technique), so the correlation needs to be obtained on the basis of this technique.

The Spearman-Brown Prophecy Formula Should Not Be Used Unless the Correlation