Class 16 Interpreting Nutrition Research 2011

Class 16 Interpreting Nutrition Research 2011 -...

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Objectives Describe the different types of research designs Identify the advantages and disadvantages of observational study designs List the design and analysis features that increase confidence in causal relationships between variables in observational designs Types of Research Descriptive studies Describe the state of nature at a point in time Establish associations and generate hypotheses Types of descriptive studies: Qualitative studies, Case reports, case series, Survey research Qualitative studies Explore a phenomenon to develop theories Observations Interviews Focus groups Delphi technique Case reports, case series Report of observations on one subject or a series of subjects Generate hypotheses for future studies Suggest relationships between a disease and a causal agent or therapeutic approach Results cannot be generalized Survey research Describe and quantify characteristics of a defined population May lack a specific hypothesis Useful for establishing associations between variables Provide baseline data prior to an intervention Results can be generalized only if sample is representative of the population Analytical studies Observational designs Ecological studies
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This note was uploaded on 12/09/2011 for the course HUN 4445 taught by Professor Sitren during the Spring '08 term at University of Florida.

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Class 16 Interpreting Nutrition Research 2011 -...

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