Compared to the Index scores, the reliabilities for the 15 subtests are_______ .
A) much stronger
B) a little stronger
C) about the same
D) much weaker

Question

Quizplus · Accepted Answer

The reliabilities for the 15 subtests are generally much weaker compared to the Index scores. Index scores are composite scores derived from multiple subtests, which tend to have higher reliabilities due to the aggregation of data from several sources, reducing the impact of any single source's variability or error.

Compared to the Index Scores, the Reliabilities for the 15