Tag Archives: reliability

Understanding Reliability and Validity in Research

This podcast discusses the data quality concepts of reliability and validity of research tools/instruments. Definitions and examples of methods of reliability (stability, internal consistency, equivalence measures) and validity testing (content validity, concurrent and predictive validity, criterion-related validity, convergent and divergent validity, mixed method/multimethod approach, hypothesis testing, factor analysis) and how

Introduction to Data Quality

This podcast provides an introduction to data quality, which emphasizes the importance of reliability and validity of research tools and instruments.  The nature of data, forms of data, and a brief overview of data measurement are presented, including a description of random and systematic error. Click on the Podcast Player to get