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IGNOU MFN-09 (July 2025 – January 2026) Assignment Questions
Section A – Descriptive Questions
There are eight questions in this part. Answer all questions.
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.
c)Describe the assumptions on which non-parametric tests are based?
7.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 standard error of mean.
b) The marks (maximum marks 50) of students (n=10) are given below:
Theory marks (x): 25 34 36 25 39 21 39 37 44 35
Practical marks (y): 25 29 38 31 28 24 36 32 47 28
Find the correlation coefficient between x and y.
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)
1.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
2.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
IGNOU MFN-09 (July 2024 – January 2025) Assignment Questions
Section A – Descriptive Questions
1. a) What are variables? Give classification and explain them in detail.
b) What is Research?
2. a) Explain Code of Ethics in detail.
b) Explain the following with examples:
i) Null hypothesis
ii)Alpha-error
3. a) How is observational study design different from Experimental study design? Discuss.
b) Briefly explain the normal probability distribution and highlight its characteristics.
4. a) What is Probability sampling? Enlist its characteristics and types.
b) Explain the importance of rating scale in research. Also enlist various types of rating scales used in research.
5. a)What do you understand by participant observation and non-participant observation? Explain the stages in the process of observation.
b) Explain the process of quantitative data processing and coding.
6. a) What is contingency table? What is their use in epidemiological research?
b) Define the following:
i. Stem-and-leaf plot
ii. Quantiles
iii. Z-score
iv. Nominal scale
7. Give definition and formula for the following:
a) Mean
b) Median
c) Variance
d) Standard deviation
8. a) Calculate the product moment correlation from the given variables:
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b) What are non-parametric tests? Explain giving examples. What is the purpose of nonparametric tests?
9. a) Compute mean, median and mode of the following frequency distribution
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b) Describe the strengths of using case study method in research.
10. Explain the following by giving suitable examples
a) Frequency polygon
b) Predictive Value
c) Power of test
d) Histogram
Section B – OTQ (Objective Type Questions)
1. Define the following:
i) Sampling Design
ii) Research Design
iii) Logical error
iv) Cohort Study
v) Epidemiology
vi) Placebo
vii) SPSS
viii) NUDIST
ix) Pie graph
x) Snowball sampling
2. Differentiate between the following:
i) Thurstone scale and Likert scale
ii) Stochastic and Deterministic variables
iii) Sensitivity and specificity of a tool
iv) Two-tailed and one-tailed tests of significance
v) Qualitative and Quantitative variables




