Multiple Choice
A researcher has constructed an attitude scale in which each item is scored from 1 to 5 depending on the extent of agreement or disagreement.The estimate of score reliability that would be recommended for this scale is
A) Kuder-Richardson formula 20.
B) Kuder-Richardson formula 21.
C) Cronbach's coefficient alpha.
D) biserial correlation coefficient.
E) phi coefficient.
Correct Answer:

Verified
Correct Answer:
Verified
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