Given what you know about interitem reliability, which of the following may be a useful way to measure an important concept in order to compute this type of reliability?
A) create a multi-item index or scale
B) ask multiple people the same question
C) if asking kids about substance use, also ask their parents about what they have observed
D) ask respondents if they think the measure is reliable

Question

Quizplus · Accepted Answer

Interitem reliability refers to the consistency of responses across multiple items within a test or survey that are designed to measure the same concept. Creating a multi-item index or scale involves using several different items to assess a particular concept, which allows for the calculation of interitem reliability by examining the consistency of responses across these items.

Given What You Know About Interitem Reliability, Which of the Following