This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the approximate Item Difficulty Index average that should be the goal to counter the effect ... (Read 20 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
on: Jul 31, 2018
What is the approximate Item Difficulty Index average that should be the goal to counter the effect of guessing in multiple-choice items on a quiz? Assume 4 options per item.
 
  a. .25
  b. .5
  c. .75
  d. 1.0

Question 2

If criterion-referenced tests are used by teachers to assess performance in reading each year, what limitation is likely to be most troublesome?
 
  a. Teachers use different grading systems to report a score.
  b. Mastery is not interpretable in criterion-referenced systems.
  c. A certain percentage of students will fail.
  d. Poor performing students can receive good grades.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

welcom1000

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 31, 2018
Answer to Question 1

c

Answer to Question 2

a


go.lag

  • Hero Member
  • *****
  • Posts: 667
Reply #2 on: Jul 31, 2018
TY


welcom1000

  • Sr. Member
  • ****
  • Posts: 298
Reply #3 on: Jul 31, 2018
You're welcome


« previous next »
 

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

The Coriolis effect and wind direction. The Coriolis effect and wind direction.
Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction Effect of substrate concentration on the initial velocity of an enzyme-catalyzed reaction
Gas Solubility - Effect of pressure Gas Solubility - Effect of pressure
Control you knife with one hand and hold the item being cut with the other (3 of 3) Control you knife with one hand and hold the item being cut with the other (3 of 3)
Rain Shadow Effect Rain Shadow Effect
The Effect of Multiple Contributing Genes on Phenotypic Variation The Effect of Multiple Contributing Genes on Phenotypic Variation
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library