Introduction
Reliability
Example of Reliability
Equivalency Reliability
Stability Reliability
Internal Consistency
Interrater Reliability
Validity
Example Validity
Face Validity
Criterion Related Validity
Construct Validity
Content Validity
Commentary
Difficulties of Achieving Reliability
Comments on a Flawed, Yet Influential Study
Key Terms
Annotated Bibliography
Related Links
These related research issues ask us to consider whether we are studying what we think we are studying and whether the measures we use are consistent. To read more about these issues, click on the list below: