« previous next »

Author Question: Fifteen people in a upper group consisting of 25 people get an item right and 5 people in a lower ... (Read 118 times)

tnt_battle

  • Hero Member
  • *****
  • Posts: 556
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

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 19, 2018
Answer to Question 1

D

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

This 11-month old girl demonstrates one of the abilites of a child of this age group - creating a to This 11-month old girl demonstrates one of the abilites of a child of this age group - creating a to
Earthquakes Don’t Kill People—Collapsing Buildings Do Earthquakes Don’t Kill People—Collapsing Buildings Do
The proboscis monkey demonstrates that large gut size contributes to a lower EQ. The proboscis monkey demonstrates that large gut size contributes to a lower EQ.
Older people who exercise cognitive skills, like these chess players, retain those skills well into ... Older people who exercise cognitive skills, like these chess players, retain those skills well into ...
Facing the table, place one hand on the thigh and the other on the lower leg. Gently rock the leg ... Facing the table, place one hand on the thigh and the other on the lower leg. Gently rock the leg ...
Married or partnered couples within a visible minority mixed group Married or partnered couples within a visible minority mixed group
Video: Energy inputs and release in glycolysis Animation

For a complete list of videos, visit our video library