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Author Question: Fifteen people in a upper group consisting of 25 people get an item right and 5 people in a lower ... (Read 133 times)

tnt_battle

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on: Jun 19, 2018
Fifteen people in a upper group consisting of 25 people get an item right and 5 people in a lower
  group of 25 people get the item wrong. The item has a difficulty index of __________ and a
  discrimination index of __________.
 
  A) .60, .20 B) .40, .20 C) .80, .40 D) .40, .40

Question 2

The first group intelligence test was based on the work of Arthur Otis.
 
  Indicate whether the statement is true or false


Chelseyj.hasty

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Reply #1 on: Jun 19, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


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