EDU 621 Unit 5 Quiz | Questions and Answers Latest Updated
2026/2027 | Belhaven University
Due Apr 8 at 11:59pm Points 20 Questions 10 Time Limit 20 Minutes
Instructions
Select the best answer for each question. You have 20 minutes to complete the quiz. You may take the
quiz one time.
Attempt History
Attempt Time Score
LATEST Attempt 1 20 minutes 20 out of 20
Score for this quiz: 20 out of 20
Submitted Apr 3 at 2:39pm
This attempt took 20 minutes.
Question 1 pts
Which of the following is the best distribution of item difficulties across an
exam?
30% of the questions "easy"
Most questions moderately difficult to very difficult
Correct! A mix of difficulties
A mix of difficulties with no items that are very easy or very difficult
Question 2 pts
, An item with a discrimination index of 0.00 means that the item was either
100% missed OR answered correctly. The item is best described as a(n):
Ineffective item
Correct! Low effectiveness item
Medium effectiveness item
High effectiveness item
Question 3 pts
The first items an instructor should consider revising are those with a .
discrimination index
Correct! negative discrimination index
discrimination index of 0.60 or higher
discrimination index of 0.20-0.50
Question 4 pts
Imagine that for a 5-option multiple choice item 60% of students choose
option B (the key) and 40% choose option D. What is true of options A, C,
and E?
Correct! They are not plausible options in the eyes of the test-takers.
They will contribute to good overall item discrimination.
2026/2027 | Belhaven University
Due Apr 8 at 11:59pm Points 20 Questions 10 Time Limit 20 Minutes
Instructions
Select the best answer for each question. You have 20 minutes to complete the quiz. You may take the
quiz one time.
Attempt History
Attempt Time Score
LATEST Attempt 1 20 minutes 20 out of 20
Score for this quiz: 20 out of 20
Submitted Apr 3 at 2:39pm
This attempt took 20 minutes.
Question 1 pts
Which of the following is the best distribution of item difficulties across an
exam?
30% of the questions "easy"
Most questions moderately difficult to very difficult
Correct! A mix of difficulties
A mix of difficulties with no items that are very easy or very difficult
Question 2 pts
, An item with a discrimination index of 0.00 means that the item was either
100% missed OR answered correctly. The item is best described as a(n):
Ineffective item
Correct! Low effectiveness item
Medium effectiveness item
High effectiveness item
Question 3 pts
The first items an instructor should consider revising are those with a .
discrimination index
Correct! negative discrimination index
discrimination index of 0.60 or higher
discrimination index of 0.20-0.50
Question 4 pts
Imagine that for a 5-option multiple choice item 60% of students choose
option B (the key) and 40% choose option D. What is true of options A, C,
and E?
Correct! They are not plausible options in the eyes of the test-takers.
They will contribute to good overall item discrimination.
