Understanding Reliability and Validity

Table of Contents

1. Introduction
2. Patient Information
3. Objectives
4. Measurement
5. Reliability & Validity Defined
6. Self Test
7. Summary
8. Blog Assignment
9. Try This for Fun

Objectives

Upon completion of this learning object you will be able to:

• Define measurement, reliability and validity.
• Assess possible sources of threats to the reliability and validity.
• Identify random and nonrandom sources of error that might affect measurement.
• Explain the effect of sources of error on reliability and validity.