Author Question: The optimum level of item difficulty for a five-alternative multiple choice item is a. .50. b. ... (Read 234 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
The optimum level of item difficulty for a five-alternative multiple choice item is
 
  a. .50.
  b. .60.
  c. .70.
  d. .80.

Question 2

The concept of mental age was introduced in
 
  a. 1905.
  b. 1908.
  c. 1911.
  d. 1916.



ryrychapman11

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

b

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

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?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

For a complete list of videos, visit our video library