Multiple Choice
What are phi coefficients?
A) the correlation between two dichotomous variables
B) the correlation between two sets of test scores
C) the correlation between a test item and the total test score
D) they correlation of item difficulty and item bias
Correct Answer:

Verified
Correct Answer:
Verified
Q18: What are item-criterion correlations? Describe one way
Q19: Which one of the following ranges of
Q20: Define and describe types of bias in
Q21: What is an advantage of computerized adaptive
Q22: What is the discrimination index?<br>A) a comparison
Q24: How are phi coefficients interpreted?<br>A) the same
Q25: What is the importance of item difficulty
Q26: What was the problem that testing experts
Q27: When a common regression line for two
Q28: The item characteristic curve can provide a