1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lesantik [10]
2 years ago
13

A developer is interested in deriving an index of the difficulty of the average item for his math test. As his consultant on tes

t development, you advise him that this index could be obtained by:________.
Social Studies
1 answer:
Otrada [13]2 years ago
8 0

Answer:

By averaging the item-difficulty indices for all test items and then dividing by the total number of items on the test.

Explanation:

An item analysis deals with  examining of the the response of student of individual test questions. examiners usually have different ways in which they determine the validity of their assessment. the method use to achieve this item analysis is by item-difficulty index and item discrimination index.

determining the validity of student's individual question item is very important as it helps the examiner to know the quality of the whole item and  of the test.

The Item-Difficulty Index in the educational field is useful in testing for validity of test question. it is known as the amount or percentage of students who answer the test questions correctly. it is often called P-value. Item-Difficulty has the range of 0-100. the formula is achieve by the number of students who answer a question correctly  divided by the total number of students in the class who answered the question(s).

You might be interested in
What debt was the Stamp Act supposed to pay for? *
Gwar [14]

Answer:

It was supposed to pay the debt from the war with France.

Explanation:

8 0
3 years ago
How did society originate?
kodGreya [7K]

Answer:

surviving of what they need

3 0
3 years ago
Read 2 more answers
Irene, a terminally ill cancer patient, has finally accepted the certainty of her death. Now, she
bija089 [108]
Acceptance - she understands her condition and is facing her reality
5 0
2 years ago
Which of the following countries is not a major trading partner with the United States ?
olga55 [171]

Answer:

North Korea

Explanation:

The united states doesnt grant normal trade sanctions and theres sparce commerce between the two countries

4 0
3 years ago
Read 2 more answers
The tendency of facial muscle states to trigger corresponding feelings such as fear or happiness is called
Komok [63]
Facial feedback effect happens when the facial muscles triggerasd corresponding feelings such as fear or happiness. In addition, The facial feedback hypothesis explains that our movements could be affected by our emotions. The pioneer of this hypothesis was the psychologist Renee Grinnell.
5 0
3 years ago
Other questions:
  • Vikings believed their gods gave special honors and favors to people who liked _______.
    9·1 answer
  • North Korea is part of what climate zone? Semiarid Highland Humid Continental Humid Subtropical
    8·1 answer
  • Schaie's cross-sequential research on intellectual development demonstrated that _____. there is a decline in most abilities aft
    12·1 answer
  • What was the primary cause of the conflict between Israelis and Palestinians?
    15·2 answers
  • In the goffman article, the two techniques employed to safeguard the impression fostered by an individual during her presence wi
    10·2 answers
  • A woman often remains a victim of intimate partner violence because
    9·1 answer
  • Which country faces terrorism that may limit citizen freedoms?Immersive Reader
    5·1 answer
  • Ano tawag sa nagbibigay ng ideya sa kabuuan ng isang pananaliksik
    7·1 answer
  • How do you get information about the foreign employment?​
    14·1 answer
  • Identity thieves may obtain personal information by going through another person’s trash, otherwise known as ______.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!