Comment on: Efficacy of acupuncture in fibromyalgia syndrome--a systematic review with a meta-analysis of controlled clinical trials.
Ernst Edzard·Rheumatology (Oxford, England)
Abstract not available
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Ernst Edzard·Rheumatology (Oxford, England)
Abstract not available
Martín Jesús Pérez·Revista alergia Mexico (Tecamachalco, Puebla, Mexico : 1993)
Abstract not available
Aziz M I, van der Burg B L S Borger, Hamming J F·Annals of surgery
Abstract not available
Obwegeser Jörg, Schneider Volker·Lancet (London, England)
Abstract not available
Seppelt Ian, Burrell Anthony·Critical care medicine
Abstract not available
Ernst E, Pittler M H·Journal of clinical epidemiology
Abstract not available
Fitzmaurice G·Nutrition (Burbank, Los Angeles County, Calif.)
Abstract not available
McDonough P G·Fertility and sterility
Abstract not available
Harrington R, Campbell F, Shoebridge P, +1 more·Journal of the American Academy of Child and Adolescent Psychiatry
Abstract not available
Smeele L E, Snow G B, van der Waal I·The Laryngoscope
Abstract not available
Friedman H P, Goldberg J D·Hepatology (Baltimore, Md.)
Abstract not available
Mittmann N, Knowles S R·Journal of clinical psychopharmacology
Abstract not available
Moher D, Olkin I·JAMA
Abstract not available
Wilson A, Henry D A·The Medical journal of Australia
Abstract not available
Buyse M, Parmar M K·European journal of cancer & clinical oncology
Abstract not available
Schmidt Frank L·Research synthesis methods
In this article, I provide answers to the questions posed by Will Shadish about the history and development of the Schmidt-Hunter methods of meta-analysis. In the 1970s, I headed a research program on personnel selection at the US Office of Personnel Management (OPM). After our research showed that validity studies hav…
Mavridis Dimitris, Chaimani Anna, Efthimiou Orestis, +1 more·Evidence-based mental health
Missing outcome data is a common problem in mental health trials compromising the validity of results and leading to the loss of precision. The problem is accumulated in a meta-analysis of clinical trials with missing outcome data.
McCormick Janice, Rodney Patricia, Varcoe Colleen·Qualitative health research
The authors undertook a qualitative meta-analysis of their own studies to examine the context of health care and health care relationships. They "translated" selected concepts and metaphors from each study through those of the other studies, yielding new interpretations. In this article, they present their methods, dis…
Morris S B·The British journal of mathematical and statistical psychology
When conducting a meta-analysis on studies with repeated measures, a useful measure of effect size is Becker's (1988) standardized mean change. This paper examines the distributional properties of the standardized mean change, and discusses potential problems with the variance formulae given in Becker (1988). First, an…
Sharpe D·Clinical psychology review
This paper examines how threats to the validity of meta-analysis have been dealt with by clinical researchers employing this approach to literature review. Three validity threats were identified--mixing of dissimilar studies, publication bias, and inclusion of poor quality studies. Approaches to addressing these threat…