Description
ASSIGNMENT 4
(TMA-4)
Research Methods and Biostatistics
Course Code: MFN-009
Assignment Code: MFN-009/AST-4/TMA-4/2025-26
This assignment is based on Units 1 -14 of the MFN-009 Course. Section A – Descriptive Questions There are eight questions in this part. Answer all questions. (80 marks)
1.a) Explain briefly the steps in research process you will use in conducting your MSCDFSM dissertation
b) Differentiate between an objective and a hypothesis, giving example. c) Define epidemiology. List any two purposes/aims of epidemiology
) 2. a) What is a correlational study? Explain with example. List the strengths and limitations of this study design.
b) Explain the following with examples: i) Characteristics of Experimental Research ii) Issues in the design of Case-Control study iii) Cohort study.
3.a) How is random sampling different from incidental sampling? Explain the process of random sampling.
b) Enlist the different types of scales used in behavioural sciences for data measurement ?
c) Give the characteristics of : i) Good research tool ii)Good sample
) 4. a) Enumerate the two types of data used in nutritional research. Explain with examples.
b) Explain the various types of documents used as a research tool.
c) Explain briefly tabulation and organization of quantitative data, giving examples. (
) 5. a) Enumerate the graphs you will use for nominal and ordinal data.
b) Present the methods for analyzing descriptive qualitative data.
c) Write a short note on “Measures for validity of diagnostic tests”.
) 6. a) Scores (maximum marks 100) of learners (n=10) enrolled in MFN-009 is given below: 50,66,49,74,57,49,50,82,39,59 Calculate the mean, median, standard deviation and variance for the above data.
b) Describe the assumptions on which non-parametric tests are based?
a) In a study conducted on girls in age range 13-15 years (n=200) the results revealed the dietary intake of iron (mean (SD)) was 20 (4.73) mg. Compute the (5) standard error of mean.
) 8. a) What is SPSS statistical tool? Discuss the features of SPSS for Windows.
b) What do you understand by Z-score ? What is the cut-off Z-score which is considered low and very low?
Section B – OTQ (Objective Type Questions)
- Define the following: i) Bias ii) Cohort iii) Prevalence iv) Power of the study v) Independent variable vi) Checklist vii) Nutrigenomics viii) Factor Analysis ix) Discrete variable x) Two tailed test
- Differentiate between the following: i) Single blinding and double blinding ii) Participant observation and non participant observation iii) Prospective and Retrospective Study iv) Close ended and Open ended questionnaire v) Graphic Scale and Standard Scale
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