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what are the steps to do a community trial study

what are the steps to do a community trial study

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Answer #1

Planners should

1) Carefully assess the secular trends for their outcomes and they should be confident of demonstrating an intervention effect for those trends;

2) They should be confident of having an effective program that can be delivered to a sufficiently large fraction of the target population;

3) Through the random allocation of a sufficient number of communities to each condition, they should avoid differences between study conditions in levels and trends for their outcomes.

4) They should develop community-level standard errors prior to launching future trials with good estimates, and

5) take steps for ensuring; that power will be sufficient to test the hypotheses of interest (Murray, 1995).

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