Which of the following are methods of assessing the internal consistency of a scale? (circle all that apply)
A) test-retest
B) split-half
C) Cronbach's alpha
D) parallel forms

Question

Quizplus · Accepted Answer

Test-retest and parallel forms are methods of assessing the reliability of a scale, not its internal consistency. Internal consistency can be assessed through split-half or Cronbach's alpha methods. Of the two, Cronbach's alpha is generally considered the better method as it accounts for the number of items in the scale and their intercorrelations. Therefore, options B and C are the best choices for assessing the internal consistency of a scale.

Which of the Following Are Methods of Assessing the Internal