Define the term research. Brieflydiscuss the research process, highlighting the importance of objectives, sampling, data collection and data analysis.
Research is defined as the creation of new knowledge and/or the use of existing knowledge
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List the non-parametric tests you can use for research.
With the help of a flow chart, classify the various research design’s available in epidemiological research.
Tests
Enumerate on the following research tools and also list their uses and limitations:
i) Questionnaire and schedules
Give below is the haemoglobin level recorded for 12 subjects in a community study:
Calculate the mean, standard deviation and variance for the haemoglobin levels reported above.
The nutrition score of 8 males and 12 girl students of M.Sc. (DFSM) programme is given
Here with:
Males: 10, 12, 13, 10, 14, 15, 10, 12
Females: 08, 12, 16, 14, 15, 12, 13, 15, 08, 13, 10, 09
Based on the data given herewith:
i) Calculate the standard error of the difference between the means of the two groups.
ii) Test the significance of the difference between the mean nutrition score of males and females at 0.05 level of significance.
Analytic study- Descriptive study