Author Question: The higher the decimal amount for p, the more difficult the item. a. True b. False c. Not ... (Read 62 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
The higher the decimal amount for p, the more difficult the item.
 
  a. True
  b. False
  c. Not enough information

Question 2

What approximate Item Difficulty Index average is closest to the optimal item difficulty level for maximizing variability and reliability?
 
  a. .24
  b. .09
  c. .99
  d. .49



Brenm

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

b

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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.

For a complete list of videos, visit our video library