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Mother and Child Health: Research Methods. G.J.Ebrahim Editor Journal of Tropical Pediatrics, Oxford University Press . Five factors in Research Planning. Research Question being addressed Subjects for the research Type of data to be collected Methods of data analysis

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Mother and Child Health: Research Methods

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Mother and child health research methods l.jpg

Mother and Child Health: Research Methods

G.J.Ebrahim

Editor

Journal of Tropical Pediatrics, Oxford University Press.


Five factors in research planning l.jpg

Five factors in Research Planning

  • Research Question being addressed

  • Subjects for the research

  • Type of data to be collected

  • Methods of data analysis

  • Reporting of the Results


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Sources of Research Question

  • Hypotheses logically derived from existing theories

  • Hypotheses suggested by clinical observations and insight

  • Questions arising from previous research

  • Evaluation of new treatments


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Problems Related to Research Questions

  • Too vague

  • Too Broad

  • Not enough subjects available

  • Methods beyond the skills of the investigator

  • Too expensive

  • Not relevant

  • Not sufficiently novel

  • Uncertain about ethical issues


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Descriptive/Analytical Studies

  • Descriptive Studies

    Focus on describing the geographic,

    social, demographic and clinical attributes

    of target population

  • Analytical Studies

    One or more groups are studied to draw inference about differences and associations


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Non-experimental / Experimental Studies

Non-experimental Studies

Definition of Population Selection of subjects Observation

Experimental Studies

Definition of Population Selection of Subjects Assignment

Observation of Outcome Group 1 Group 2


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Reasons for the Study

background

contribution to existing knowledge

General Plan

Study design, sample, data collection, and analysis

Detailed Design

Sources of Bias

sampling

method,information

variation,measurement

error, assessment method.

Handling of Specimens

Analysis

Reporting

Checklist for Planning Studies


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