Author Question: Because he used a point scale, Wechsler was able to a. determine age level performance. b. ... (Read 71 times)

burchfield96 · **on:** Jun 19, 2018

Because he used a point scale, Wechsler was able to

a. determine age level performance.
b. assign points on an all or none basis.
c. only analyze one area of ability.
d. group similar content items together.

Question 2

Suppose you were trying to estimate the reliability of a whole test on the basis of the correlation between scores on the two halves of the test. In order to correct for using scores based on the halves, you might use the

a. KR 20.
b. alpha method.
c. Spearman-Brown formula.
d. split half method.