Research is search for new knowledge which is very use full for development of developing country like India, due to social, economic, cultural conditions in In

Cluster randomised trials are trials in which groups (or clusters) of individuals are randomly allocated to different forms of treatment. In health care, these

'This volume is an important step in furthering the discussion about how cluster strategies work and the implications for theory and policy.' – Jennifer Clark

A cluster randomization trial is one in which intact social units, or clusters of individuals, are randomized to different intervention groups. Trials randomizi

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