The Conservation Relevance of Epidemiological Research into ...
Chapter 16 Research Objectives Understand the various forms of nutrition research including...
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Transcript of Chapter 16 Research Objectives Understand the various forms of nutrition research including...
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