The psychometric properties of a developmental screening tool are important to review before you administer screening tools in your primary care practice. What are the components of assessing the reliability of an instrument?
A) Sensitivity and specificity
B) Internal consistency, usually shown as a Cronbach's alpha coefficient
C) Concurrent validity
D) Predictive validity

Question

Quizplus · Accepted Answer

Reliability refers to the consistency of a measure. Internal consistency, often measured by Cronbach's alpha, is a key component of reliability, indicating how well the items on a test measure the same construct.

The Psychometric Properties of a Developmental Screening Tool Are Important