382,008 papers found

De Wolff and van Ijzendoorn's (1997) meta-analysis of parental antecedents of infant attachment focuses almost entirely on maternal behavior. I argue here that although the meta-analysis method makes an important contribution to summarizing research studies, it limits the conceptual understanding of attachment to simpl…

The potential value of meta-analysis has captured the imagination of many investigators. Epidemiologists have, appropriately, greeted its broad application with considerable caution, yet practical matters, such as the need to consolidate and extract information from available data, have forced a more accepting approach…

A meta-analysis is a statistical analysis of the data from some collection of studies in order to synthesize the results. In this paper we discuss issues that frequently arise in meta-analysis and give an overview of the methods used, with particular attention to the use of fixed- and random-effects approaches. The met…

Controlled clinical trials studying the influence of hospital practices on breastfeeding duration were combined using meta-analysis. Nine studies were selected. Supplementation demonstrated a negative clinical effect on breastfeeding duration that was not significant. Nursing support demonstrated a positive clinical ef…

Network meta-analysis enables the simultaneous synthesis of a network of clinical trials comparing any number of treatments. Potential inconsistencies between estimates of relative treatment effects are an important concern, and several methods to detect inconsistency have been proposed. This paper is concerned with th…

Certification of Medical Device Software (MDS) according to the EU Medical Device Regulation 2017/745 requires demonstrating safety and effectiveness. Thus, the syllabus of a course on MDS development must provide tools for addressing these issues. To assure safety, risk analysis has to be performed using a four-step p…

Driven by the movement of evidence-based practices, Bayesian statistical methods have become increasingly popular. This paper introduces a Bayesian approach to meta-regression, focusing on the use and implementation in prevention science research. We first compare Bayesian meta-analysis and meta-regression to a frequen…

Network meta-analysis is a methodology for comparing different treatments or modalities including both direct comparisons and indirect comparisons based on a common comparator. While this provides a wealth of opportunities in psychiatric research, both designing a network meta-analysis and interpreting the same require…

Meta-analysis refers to methodologies that are used to integrate related empirical research to arrive at conclusions not possible by reviewing individual studies, or to improve generalizations of individual studies. It is distinguished from the traditional narrative review in that statistical methodologies are applied…

The current rapid pace of social and technological change requires health policy makers to be up to date in their knowledge of health policy research. The "information explosion" has created a need for techniques that synthesize and summarize available information. This paper reviews the use of Meta-Analysis as a data…