What should be done if two items in a scale correlate nearly perfectly with one another
A)Keep them both because this shows they are unidimensional.
B)Drop one of them from the scale because they are redundant.
C)Combine the two questions into one so that no information is lost.
D)Drop them both because this shows they have insufficient range and variability.

Question

Quizplus · Accepted Answer

When two items in a scale correlate nearly perfectly with one another, it indicates redundancy. Keeping both can inflate reliability artificially and does not add unique value to the scale. Dropping one helps in refining the scale and ensuring each item contributes unique information.

What Should Be Done If Two Items in a Scale