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MONITORING AND EVALUATION PLAN - TBC India

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Following are some of the considerations for sample selection:<br />

� Percentage of ST and SC population in the experimental and control districts have bearing on<br />

the areas of enquiry; it should be factored cognizance taken at the time of the<br />

� Considering the selection of districts and areas of enquiry and factoring sampling error and<br />

confidence limits for different sample sizes, it is suggested that there is a significant<br />

improvement in increasing the size of the sample of general community members till 500 per<br />

district.<br />

� Sampling strategy: Three talukas (sub districts) per district will be randomly selected, and<br />

assign sample probability proportional to ST and SC population. The sampling households will<br />

then be selected randomly. In this case, the sample size would also vary for each taluka (sub<br />

districts), again with probability proportional to the indicators (ST and SC population).<br />

� For TB patients and private sector providers sampling, a quota sample of 50 each per district<br />

which will be total of 400 TB patients and 400 private sector providers from 8 districts. Then<br />

assign sample randomly following probability proportional to the available numbers.<br />

Following table summarizes the total sample size:<br />

Study Component Per District Sample Total Sample from 8<br />

Districts<br />

General Community Members 500 4,000<br />

TB Patients 50 400<br />

Rural Health Care Providers 50 400<br />

Key Informants (Convenience<br />

Sampling)<br />

10-15 80-120<br />

Other details of the proposal can be read through the attached research design<br />

© World Vision <strong>India</strong>, Axshya <strong>India</strong> Project<br />

Monitoring and Evaluation Plan, October 2010 Page No 32

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