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"item_title" : "Observational Studies",
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"item_description" : "An observational study is an empirical investigation of the effects of treatments, policies or exposures. It differs from an experiment in that the investigator cannot control the assignment of treatments to subjects. Scientists across a wide range of disciplines undertake such studies.",
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Observational Studies
Overview
An observational study is an empirical investigation of the effects of treatments, policies or exposures. It differs from an experiment in that the investigator cannot control the assignment of treatments to subjects. Scientists across a wide range of disciplines undertake such studies.
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Details
- ISBN-13: 9781441931917
- ISBN-10: 1441931910
- Publisher: Springer
- Publish Date: December 2010
- Dimensions: 9.21 x 6.14 x 0.81 inches
- Shipping Weight: 1.21 pounds
- Page Count: 377
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