This topic contains a solution. Click here to go to the answer

Author Question: If 8 out of 10 students in the upper group and 2 out of 10 students in the lower group answer an ... (Read 71 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
If 8 out of 10 students in the upper group and 2 out of 10 students in the lower group answer an item correctly, then the difficulty and discriminating power of the item would be
 
  A. 50, .60.
  B. 50, .80.
  C. 60, .60.
  D. 60, .80.

Question 2

Which of the following is a major limitation of using item analysis procedures with the typical classroom test?
 
  A. the complexity of the computations
  B. the difficulty of the interpretations
  C. the small number of students
  D. the time needed to collect the data



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bob

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A

Answer to Question 2

C




kellyjaisingh

  • Member
  • Posts: 540
Reply 2 on: Jun 20, 2018
:D TYSM


lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

For a complete list of videos, visit our video library