Tag Archives: nursing research

Statistical Conclusion Errors in Hypothesis Testing

You learn about statistical conclusion errors in every basic nursing research class and are expected to understand what these errors mean. Wait! Did I learn about this, you ask? Yes, yes, you did. Remember Type I and Type II errors? Those are statistical conclusion errors. But I’ll tell you that

What’s the Difference Between Statistical Significance and Clinical Significance?

There are two types of significance used to interpret research studies – statistical significance and clinical significance. They are not the same thing. One answers the question, Are the statistical results due to random chance? and the other answers the question, So what? Will the results matter to our patients?

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

Qualitative and Mixed Method Research Designs

This episode defines the differences between qualitative research designs and mixed methods designs. Trustworthiness (reliability and validity) of qualitative designs is also discussed.