« previous next »

Author Question: The optimum item difficulty index for a multiple-choice item A) varies inversely with the number ... (Read 545 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jun 19, 2018
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
Reply #1 on: Jun 19, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Differences in the number and location of flagella. Differences in the number and location of flagella.
Placing sterile item on a sterile field Placing sterile item on a sterile field
Multisystem effects of multiple sclerosis. Multisystem effects of multiple sclerosis.
NCC MERP Index for categorizing medication errors. NCC MERP Index for categorizing medication errors.
Air Quality Index Air Quality Index
Apply L stroke on terminus. Place your index and middle fingers on the left and right terminus; ... Apply L stroke on terminus. Place your index and middle fingers on the left and right terminus; ...
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

For a complete list of videos, visit our video library