Treats studies, primarily in human populations, that show casual effects of certain agents, procedures, treatment or programs. Deals with the difficulties that comparative observational studies have because of bias in their design and analysis. Systematically considers the many sources of bias and discusses how care in matching or adjustment of results can reduce the effects of bias in these investigations.
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Treats studies, primarily in human populations, that show casual effects of certain agents, procedures, treatment or programs. Deals with the difficulties that comparative observational studies have because of bias in their design and analysis. Systematically considers the many sources of bias and discusses how care in matching or adjustment of results can reduce the effects of bias in these investigations.
"Sobre este título" puede pertenecer a otra edición de este libro.
Librería: bookwave, Acworth, GA, Estados Unidos de America
Hardcover. Condición: Good. HARDCOVER. Binding good, pages clear with typical yellowing. Some wear and small tears to dust cover. Nº de ref. del artículo: aber11791
Cantidad disponible: 1 disponibles
Librería: Better World Books, Mishawaka, IN, Estados Unidos de America
Condición: Good. Second printing. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Nº de ref. del artículo: 588476-6
Cantidad disponible: 2 disponibles
Librería: HPB-Red, Dallas, TX, Estados Unidos de America
hardcover. Condición: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority! Nº de ref. del artículo: S_479580014
Cantidad disponible: 1 disponibles
Librería: A Squared Books (Don Dewhirst), South Lyon, MI, Estados Unidos de America
hardcover. Condición: Very Good. Estado de la sobrecubierta: Acceptable. 1983; New York; black cloth covered boards with gold titles; light wear; dust jacket is worn at the edges with a chip on the rear cover; spotting along the edges; Interior is clean and unmarked; 8vo - over 7 3/4" to 9 3/4" tall; 145 pages. Nº de ref. del artículo: SKU1163567
Cantidad disponible: 1 disponibles
Librería: Lake Country Books and More, Excelsior, MN, Estados Unidos de America
Hardcover. Condición: Fair. Estado de la sobrecubierta: None as issued. Ex-library copy with expected stickers and stamps. Pages are clean; just a few light markings found. Cover has moderate surface wear; corner tips and spine ends have heavier wear and are worn through in places. Binding is tight and square. We are unable to ship oversize books and multi-volume sets internationally. Nº de ref. del artículo: CC52004180008
Cantidad disponible: 1 disponibles
Librería: Anybook.com, Lincoln, Reino Unido
Condición: Fair. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Book contains pencil markings. In fair condition, suitable as a study copy. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item,450grams, ISBN:0471887196. Nº de ref. del artículo: 5832836
Cantidad disponible: 1 disponibles
Librería: The Book Chaser (FABA), Gainesville, FL, Estados Unidos de America
Hardcover. Estado de la sobrecubierta: No Dust Jacket. First Edition. Blk cloth with gilt lettering; No marks or; writing, clean tight binding; Directed to subject matter prople wo do or may dp these studies; ; 145 pages Very Good writing, clean tight binding; Nº de ref. del artículo: 5211
Cantidad disponible: 1 disponibles
Librería: Webbooks, Wigtown, Wigtown, Reino Unido
Hard Cover. Condición: Good. No Jacket. First Edition. From an academic library with the usual stamps etc. A00023460. Nº de ref. del artículo: A00023460
Cantidad disponible: 1 disponibles
Librería: The Book Spot, Sioux Falls, MN, Estados Unidos de America
Hardcover. Condición: New. Nº de ref. del artículo: Abebooks104634
Cantidad disponible: 1 disponibles
Librería: BennettBooksLtd, Los Angeles, CA, Estados Unidos de America
hardcover. Condición: New. In shrink wrap. Looks like an interesting title! Nº de ref. del artículo: Q-0471887196
Cantidad disponible: 1 disponibles