When would a nurse researcher want to use a Kuder-Richardson (KR-20)coefficient to establish the internal consistency of an instrument?
A) When questions are open-ended
B) When multiple choice tests are analyzed
C) When the instrument uses a Likert-type response scale
D) When the instrument is designed to measure more than one concept

Question

Quizplus · Accepted Answer

Correct B: The KR-20 coefficient provides estimates of homogeneity used for instruments that have a dichotomous response format.
Incorrect A: Open-ended questions elicit textual data that are content analyzed (qualitative analysis).
Incorrect C: Cronbach's alpha coefficient provides estimates of homogeneity when instruments are scaled with ordinal responses
Incorrect D: The KR-20 coefficient does not apply to this Answerwer.

When Would a Nurse Researcher Want to Use a Kuder-Richardson