Multiple Choice
Cronbach's coefficient alpha is preferred to the Kuder-Richardson 21 when
A) the items are all of the same level of difficulty.
B) the items are scored right or wrong (dichotomously) .
C) the responses may receive a varying number of points.
D) a and c
Correct Answer:
Verified
Correct Answer:
Verified
Q129: Criterion contamination occurs when<br>A) a test is
Q130: A test designed to measure achievement motivation
Q131: The coefficient of correlation between a scholastic
Q132: If the score reliability of a test
Q133: Exhibit 9-3: Choose the type of evidence
Q135: Exhibit 9-9: Indicate the type of validity
Q136: The greatest difficulty for one doing research
Q137: A student received a score of 85
Q138: Exhibit 9-2: An achievement test for advanced
Q139: A test has a reliability coefficient of