Which of the following represents the most direct evidence that a test is a valid measure of a ...

Which of the following represents the most direct evidence that a test is a valid measure of a construct?

a. The test predicts success in college.
b. The test scores correlate highly with teachers' ratings.
c. The test includes a representative sample of the skills taught in the course.
d. The test of trait Y places individuals into categories that were predicted from the theory of trait Y.

Ques. 2

The Kuder-Richardson 21 formula for estimating the score reliability of a classroom achievement test has the disadvantage that

a. it is difficult to compute.
b. it assumes that all test items are of equal difficulty.
c. it is inappropriate for a power test.
d. the resulting reliability coefficient must be adjusted by using another formula.

Ques. 3

Choose the method of estimating score reliability that would be most useful for each of the types of tests listed below. An achievement test to be given as a pretest and a posttest in a classroom research study

a. equivalent forms c. test-retest
b. split-half

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Which of the following represents the most direct evidence that a test is a valid measure of a ...

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