{"product_id":"observational-studies-paul-r-rosenbaum-9781441931917","title":"Observational Studies","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.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Paul R. Rosenbaum\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1441931910\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781441931917\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Springer\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 12\/01\/2010\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 377\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.21lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.21h x 6.14w x 0.81d","brand":"Paul R. Rosenbaum","offers":[{"title":"Paperback","offer_id":43935050203391,"sku":"9781441931917","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/products\/img_1cde18eb-7472-4db9-841b-cefcf1a86a90.jpg?v=1681417562","url":"https:\/\/www.whiterainbookhouse.com\/products\/observational-studies-paul-r-rosenbaum-9781441931917","provider":"WR Book House","version":"1.0","type":"link"}