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Afn2303:Nutrition Research Question Paper

Afn2303:Nutrition Research

Course:Bachelor Of Science In Food Science And Nutrition

Institution: Meru University Of Science And Technology question papers

Exam Year:2013

QUESTION ONE (30 MARKS)
a) Define the following terms: (5 Marks) i. Confounding ii. Epidemiology iii. Risk difference iv. Recall bias v. Relative risk b) Briefly discuss ethical approval for nutrition research studies and indicate how it is done. (5 Marks) c) Describe the three Rs of research design. (5 Marks) d) State the advantages and disadvantages of experiments using animals in nutrition research. (5 Marks) e) Explain ecologic fallacy and how it affects nutrition research. State the research design mainly affected by ecologic fallacy. (5 Marks)
QUESTION TWO (20 MARKS)
a) Differentiate between case-control studies and cohort investigations as applied to nutrition research. (4 Marks) b) Discuss the outcome analysis in cohort studies. (8 Marks) c) Giving an example, discuss the strength of cohort study design. (2 Marks) d) Describe the main sources of error in cohort. (6 Marks)
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QUESTION THREE (20 MARKS)
a) Explain what is a cross-sectional study design and discuss its use and application in nutrition research (10 Marks) b) Describe and compare cross-sectional study design with case-control studies. Highlight the key differences. (5 Marks) c) Discuss the sources of error in cross-sectional study design. (5 Marks)
QUESTION FOUR (20 MARKS)
Discuss how evaluations of the evidence of a causal inference is done in nutritional research. (20 Marks)

Afn2303:Nutrition Research Question Paper

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