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Publication bias in gastroenterologi...

Timmer, Antje.

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Publication bias in gastroenterological research.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Publication bias in gastroenterological research./
作者:	Timmer, Antje.
面頁冊數:	115 p.
附註:	Source: Masters Abstracts International, Volume: 37-06, page: 1813.
Contained By:	Masters Abstracts International37-06.
標題:	Health Sciences, Medicine and Surgery. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MQ38615
ISBN:	0612386155

Publication bias in gastroenterological research.
Timmer, Antje.

Publication bias in gastroenterological research. - 115 p.

Source: Masters Abstracts International, Volume: 37-06, page: 1813.

Thesis (M.Sc.)--University of Calgary (Canada), 1999.

To assess whether publication bias is present in gastroenterological research, determinants of publication were studied in abstracts submitted to the American Gastroenterological Association. A random sample of 326 clinical trials (CCT), 455 abstracts on other clinical research (OCR) and 219 basic science reports (BSS) was evaluated. Publication rates were examined by a literature search and by a mail survey of abstract authors. Survey information was available on 499 abstracts. The overall estimated publication rate was 57%. A higher number of previous publications and multi-center status were associated with higher publication rates. Significant differences in publication of negative study results were identified only after correction for under-ascertainment and response bias. Statistically significant studies were published faster and in higher impact journals. The most frequent reason cited for non-publication was lack of time.

ISBN: 0612386155Subjects--Topical Terms:

1017756
Health Sciences, Medicine and Surgery.

Publication bias in gastroenterological research.
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