In a class of 100 students,70 answer item #4 correctly and 30 answer it incorrectly.What is the p value of this item?
A) 0.30
B) 0.40
C) 0.49
D) 0.70
Correct Answer:
Verified
Q1: An effective distracter should be selected by:
A)at
Q3: A test item with p = .80
Q4: A test item with p = .50
Q5: While the item difficulty index is only
Q6: Item 10 on an exam had an
Q7: What is the approximate optimal Item Difficulty
Q8: On _ tests,measures of item difficulty largely
Q9: A test item with a p =
Q10: A test item with a p =
Q11: Reliability relates to test _.
A)items
B)length
C)scores
D)constructs
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