Author Question: The optimum item difficulty index for a multiple-choice item A) varies inversely with the number ... (Read 196 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
The optimum item difficulty index for a multiple-choice item
 
  A) varies inversely with the number of options.
  B) ranges from .30 to .70 for true-false tests.
  C) varies directly with the number of options.
  D) is unaffected by the number of options.

Question 2

The extent to which a test measures anything consistently is a definition of
 
  A) reliability. B) validity. C) normality. D) objectivity.



ttt030911

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The FDA recognizes 118 routes of administration.

For a complete list of videos, visit our video library