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Mother and Child Health: Research Methods

Mother and Child Health: Research Methods. G.J.Ebrahim Editor Journal of Tropical Pediatrics, Oxford University Press . Random Sampling. Simple Random sampling Stratified random sampling Quota sampling Area sampling Systematic sampling Cluster sampling 30 clusters each of 7 individuals.

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Mother and Child Health: Research Methods

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  1. Mother and Child Health: Research Methods G.J.Ebrahim Editor Journal of Tropical Pediatrics, Oxford University Press.

  2. Random Sampling • Simple Random sampling • Stratified random sampling • Quota sampling • Area sampling • Systematic sampling • Cluster sampling • 30 clusters each of 7 individuals

  3. Validity and sample Size External Population Target Population Sample Validity

  4. Sources of Distortion Target Population Subjects in catchment area Identification Subjects referred Contact Participation Follow-up Final Study Sample

  5. Calculating Sample Size Factors to consider are: • Effect Size • Acceptable Risk of False Positive (p < 0.05) • Power of the Study (cut-off is 80%)

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