Chapter 16 Research
Objectives• Understand the various forms of nutrition research
including epidemiological, historical, descriptive survey, analytical survey, and experimental.
• Be able to identify which type of research is being used to generate the findings you are observing
• Understand how to identify the quality of the research by examining values such as validity, reliability, accuracy and precision
• Know some of the insoluble and soluble problems that can be faced when doing research.
• Understand some of the limitations of Web based information on nutrition and supplementation.
Major Types of Research Used in Nutrition Research
• Epidemiological research
• Prospective (cohort)
• Retrospective
• Historical
• Descriptive survey
• Analytical survey
• Experimental
• Pre-test,post-test; crossover
• Clinical trials
How to Determine the Quality of the Research
• Validity – concerned with the effectiveness of the measuring instrument
•Face validity
•Criterion validity
•Internal or external validity
• Accuracy
• Reliability
• Precision
Top Related