Syllabus
Unit I
Research Types, Designs and Hypothesis 12 Hrs
Research – Types, objectives, approaches and significance. Research process, Criteria of good research, Research design- Types, characteristics and significance. Basic principles of experimental designs. Nutrition Intervention studies – pilot study, randomized controlled trial , nutritional biomarkers. Research hypothesis- Null Hypothesis and Alternative Hypothesis, Type I and Type II Errors. Testing of hypothesis. Characteristics of good hypothesis.
Unit II
Methods of Data Collection and Sampling designs 12 Hrs
Methods of data collection– Primary and secondary data, Selection of appropriate method for data collection.
Sampling designs – Probability sampling and Non-probability sampling. Sampling and Non-sampling Errors. Measurement and Scaling techniques- Quantitative and Qualitative Data, Goodness of Measurement Scales.
Unit III
Bio Statistics and Descriptive Methods 12 Hrs
Bio Statistics- Concept and its scope in public health research. Descriptive methods, Measures of central tendency
– Arithmetic mean, median and mode. Measures of dispersion- Range, Mean Deviation and Standard Deviation. Measures of Skewness and Kurtosis. Measures of Relationship- Covariance, Karl Pearson’s Coefficient of Correlation and Rank Correlation.
Unit IV
Processing and Analysis of Data 12 Hrs
Processing Operations. Problems in Processing data. Analysis of data- Elements of data analysis, statistical measures in Research- Student’s t- test, Analysis of variance- One way ANOVA and two way ANOVA. Duncan’s test. Multivariate analysis of variance (MANOVA), Chi?square test and Regression Analysis. Biostatistics with statistical software- MS-Excel, SPSS, Graph pad prism software and other statistical calculators available in web.
Unit V
Interpretation and Scientific Research Writing 12 Hrs
Interpretation- Techniques and Precautions. Preparation of a Research Proposal. Report Writing- steps, types and significance. Mechanics and Precautions for Writing a Research Report. Presentation of research report- Tabulation and organization of data, Graphical presentation of data.
Objectives and Outcomes
Course Objectives :
- Understand different types of research, merits and demerits of each research types
- Analyse the competence for selecting methods and tools appropriate for carrying out experimental research
- Develop a research proposal and evaluate statistical methods to assess the outcome of the research
Course Outcomes:
CO1: Understand the purpose, types, designs and hypothesis of research
CO2: Analyse systematic methods for data collection, data processing and data analysis CO3: Design a research proposal in the appropriate scientific style
CO4: Develop skills for scientific research writing based on critical interpretation.
CO5: Interpret the results of statistical analysis of data and summarize data using tabulation and graphs.
CO-PO Mappings
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PO3
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PO4
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Evaluation Pattern
Evaluation Pattern:
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Assessment
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Internal
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External
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Periodical 1 &Periodical 2/Mid term
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30
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*Continuous Assessment (CA)
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20
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End Semester
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50
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*CA – Can be Quizzes, Assignment, Seminar, Projects and Reports.
