CHES (Certified Health Education Specialist) Practice Exam 2025 – Your All-in-One Guide to Exam Success!

Criterion-related reliability refers to the extent to which a measurement correlates with an external criterion that is intended to represent the same construct or attribute. Essentially, it assesses how well a test or measurement correlates with a well-established benchmark or standard, often referred to as a "criterion." This type of reliability is crucial for determining the predictive validity of a test, which indicates how well the test results can forecast outcomes based on the criterion.

For instance, if a new educational assessment tool is developed, its criterion-related reliability can be evaluated by correlating the scores obtained from this new tool against scores from a recognized and widely accepted assessment. A high correlation indicates that the new test is likely measuring the same underlying construct effectively.

This understanding of criterion-related reliability highlights its importance in both research and practical applications within health education and other fields, ensuring that the measurements used genuinely reflect the intended outcomes.