ED106 - Chapter 6

It is defined as the number of students who are able to answer the item correctly divided by the total number of students.

• Index of discrimination

• Item Analysis

• Item Difficulty

• Reliability Test

What will be the action taken when the test item has a negative discrimination index?

• Retain

• Modify

• Revise

• Reject

It offers details that will enable the teacher to choose whether to replace or edit an item.

• Draft Phase

• Item Analysis

• Revision Phase

• Validation Phase

In the given item, which of the following option/s is/are considered as plausible distracter?

• A only

• B only

• C only

• Both C and D

It refers to consistency of the scores obtained.

• Validation

• Reliability

• Practicality

• Item Analysis

The discrimination index range is between _____ and _____.

• 0,1

• -1,0

• 1,-1

• -1,1

The test scores of the upper and lower (a)   % of the class will be used to measure how difficult an item is.

Which of the following is use as the formula for the index of discrimination?

• DU - DL

• DL - DU

• UD - UL

• UL - UD

Answer explanation

Discrimination index is the difference between the proportion of the top scorers who got the item right.

An item is a perfectly discriminating item if its discrimination index is equal to (a)   .

An _______ distracter is considered as a not effective distracter.

• impeccable

• impeachable

• implausible

• impossible