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a study is performed to assess whether there is an association between exposure to second hand
smoke in infancy and delayed development. Fifty children with delayed development and fifty
with normal development are selected for investigation. Parents are asked whether their children
were exposed to second hand cigarette smoke in infancy or not. This study is an example of a:
Solution
Sampling study

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a study is performed to assess whether there is an association betwe.pdf

  • 1. a study is performed to assess whether there is an association between exposure to second hand smoke in infancy and delayed development. Fifty children with delayed development and fifty with normal development are selected for investigation. Parents are asked whether their children were exposed to second hand cigarette smoke in infancy or not. This study is an example of a: Solution Sampling study