Your employer wants a test that will help him to select the upper 30% of employees to consider for new positions.It would be beneficial for the item difficulty index to average around:
A) 0.20
B) 0.30
C) 0.70
D) 0.80
E) 0.90
Correct Answer:
Verified
Q10: A test item with a p =
Q11: Reliability relates to test _.
A)items
B)length
C)scores
D)constructs
Q12: Items with a difficulty index of _
Q13: A general recommendation is to use items
Q14: The item-total correlation is typically calculated using
Q16: As a general rule,the authors of the
Q17: On a maximum performance test administered to
Q18: On a reading comprehension exam,the proportion of
Q19: What is the optimal Item Difficulty Index
Q20: When a test item has a discrimination
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