Question
A researcher is using an instrument to measure student achievement in math. There are 70 items on the test, 50 multiple choice and 20 true-false,
A researcher is using an instrument to measure student achievement in math. There are 70 items on the test, 50 multiple choice and 20 true-false, which of the following reliability coefficients should be used?
coefficient alpha
ASPeCT-DD
KR - 20
Cronbachs's alpha
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Calculus And Its Applications Expanded Version
Authors: Marvin L Bittinger, David J Ellenbogen, Scott J Surgent
1st Edition
0321882512, 9780321882516
