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Research
Methodology
DR SHARON BAISIL
ICMR THRUST AREAS
Tribal Health
RCH
• Basic Reproductive Biology
• Contraception & Family Planning
• Maternal Health
• Child Health
• Safe Abortions Services
• Reproductive Tract Infections, Sexually
Transmitted Diseases and Infertility
• Adolescent Health
Nutrition
• Low Birth Weight
• Nutrition, Infection, and
• Reproductive Health
• Foetal Antecedents of Adult Disease
• Micronutrients
• Malnutrition
• Nutritional Problems of Ageing
ICMR THRUST AREAS
Communicable diseases
• Diarrhoeal diseases
• Filaria
• HIV/AIDS
• Leishmaniasis
• Leprosy
• Malaria
• Statistics and Health Systems Research
• Tuberculosis
• Viral Diseases
Non-Communicable Diseases
• Oncology
• Ophthalmology
• Cardiovascular Diseases
• Diabetes Mellitus
• Mental Health
• Environment
• Neurological Disorders
• Asthma
• Geriatrics
• Disability and Rehabilitation
• Occupational Injuries and Diseases
Basic Medical Sciences
How to Choose the Best Study Design?
Choice of strategy
Formulating a research question
• Research question is a formal statement of the goal of the study
• A good research question could thus be described by the acronym
F: Feasible
I: Interesting to the investigator
N: Novel
E: Ethical
R: Relevant
An useful format to use in the development of a
specific research question is the PICO format
• Format the population (P) of interest the intervention (I) being studied, the
comparison (C) group (the intervention being compared) and the outcome of
interest (O)
Example:
• In patients with pneumonia (P) whether treatment with X (I) compared to Y
(C) reduces the number of days of hospital stay (O)
Formulate hypotheses and research objectives
• The research hypothesis is developed from the research question
• For example, in the research study comparing treatment X versus
treatment Y in patients with pneumonia, the experimental group
would be treatment X and the control/ conventional group would
be treatment Y
Decide the study population and setting
• The definition of the subject of study and the target population should be clearly
spelt out ❖The inclusion and exclusion criteria should be decided in the
beginning itself ❖Sample size is very important ❖The smaller the sample, the
more will be the uncertainty ❖Sample size should be chosen in such a way that
the finding in the study accurately reflects what is going on in the population

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Research Methodology and Study Design Guide

  • 2.
  • 3. ICMR THRUST AREAS Tribal Health RCH • Basic Reproductive Biology • Contraception & Family Planning • Maternal Health • Child Health • Safe Abortions Services • Reproductive Tract Infections, Sexually Transmitted Diseases and Infertility • Adolescent Health Nutrition • Low Birth Weight • Nutrition, Infection, and • Reproductive Health • Foetal Antecedents of Adult Disease • Micronutrients • Malnutrition • Nutritional Problems of Ageing
  • 4. ICMR THRUST AREAS Communicable diseases • Diarrhoeal diseases • Filaria • HIV/AIDS • Leishmaniasis • Leprosy • Malaria • Statistics and Health Systems Research • Tuberculosis • Viral Diseases Non-Communicable Diseases • Oncology • Ophthalmology • Cardiovascular Diseases • Diabetes Mellitus • Mental Health • Environment • Neurological Disorders • Asthma • Geriatrics • Disability and Rehabilitation • Occupational Injuries and Diseases Basic Medical Sciences
  • 5. How to Choose the Best Study Design?
  • 6.
  • 7.
  • 9. Formulating a research question • Research question is a formal statement of the goal of the study • A good research question could thus be described by the acronym F: Feasible I: Interesting to the investigator N: Novel E: Ethical R: Relevant
  • 10. An useful format to use in the development of a specific research question is the PICO format • Format the population (P) of interest the intervention (I) being studied, the comparison (C) group (the intervention being compared) and the outcome of interest (O) Example: • In patients with pneumonia (P) whether treatment with X (I) compared to Y (C) reduces the number of days of hospital stay (O)
  • 11. Formulate hypotheses and research objectives • The research hypothesis is developed from the research question • For example, in the research study comparing treatment X versus treatment Y in patients with pneumonia, the experimental group would be treatment X and the control/ conventional group would be treatment Y
  • 12. Decide the study population and setting • The definition of the subject of study and the target population should be clearly spelt out ❖The inclusion and exclusion criteria should be decided in the beginning itself ❖Sample size is very important ❖The smaller the sample, the more will be the uncertainty ❖Sample size should be chosen in such a way that the finding in the study accurately reflects what is going on in the population