This topic contains a solution. Click here to go to the answer
« previous next »

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 48 times)

kellyjaisingh

  • Hero Member
  • *****
  • Posts: 540
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

C


kellyjaisingh

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

scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
lower surface of Arabidopsis thaliana leaf, showing a trichome lower surface of Arabidopsis thaliana leaf, showing a trichome
Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th
Stand behind recipient and use two hands to knead both sides of upper trapezius. Stand behind recipient and use two hands to knead both sides of upper trapezius.
Self-splicing of group I introns Self-splicing of group I introns
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library