Multiple Choice
Which one of the following statistics can be used to make decisions about retaining or discarding an item based on how well the item discriminates between high- and low-scoring test takers?
A) item-total correlation
B) inter-item correlation
C) difficulty level
D) discrimination index
Correct Answer:
Verified
Correct Answer:
Verified
Q44: Which one of the following is NOT
Q45: Identify and explain the criteria for retaining
Q46: To increase internal consistency, items that correlate
Q47: What is item response theory?<br>A) a part
Q48: Items for which the p value falls
Q50: What is single-group validity?<br>A) when validity coefficients
Q51: The percentage of test takers who respond
Q52: Pierre conducted a validation study, and he
Q53: While test validity is a statistical concept,
Q54: The formula D = U − L