In testing an instrument consisting of 25 items for homogeneity using the item to total correlation,eight items were found to have a low correlation to the total.How should the researcher use this information?
A) Use the instrument without changes.
B) Use the instrument only with a multitrait-multimethod approach.
C) Retain the eight items with low correlation and delete the other 17 items.
D) Delete the eight items with low correlation and retain the other 17 items.

Question

Quizplus · Accepted Answer

Correct D: Eight items should be deleted and 17 items should be retained.
Incorrect A: The instrument should be modified.Items should be deleted.
Incorrect B: The multitrait-multimethod method is appropriate for ongoing instrument development and validity.
Incorrect C: The reverse of this Answerwer should be performed: 17 items should be retained and 8 items should be eliminated.

In Testing an Instrument Consisting of 25 Items for Homogeneity