{"product_id":"observational-studies-paul-r-rosenbaum-9780387989679","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 0387989676\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9780387989679\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Springer\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 01\/08\/2002\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 377\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Hardcover\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 1.60lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.40h x 6.40w x 1.20d","brand":"Paul R. Rosenbaum","offers":[{"title":"Hardcover","offer_id":44540321956095,"sku":"9780387989679","price":249.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_7e4857e7-2747-4dab-a9c3-2753218c41cc.jpg?v=1700587241","url":"https:\/\/www.whiterainbookhouse.com\/products\/observational-studies-paul-r-rosenbaum-9780387989679","provider":"WR Book House","version":"1.0","type":"link"}