Richard Thomson

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BACKGROUND Decision aids prepare people to participate in decisions that involve weighing benefits, harms, and scientific uncertainty. OBJECTIVES To evaluate the effectiveness of decision aids for people facing treatment or screening decisions. SEARCH STRATEGY For this update, we searched from January 2006 to December 2009 in MEDLINE (Ovid); Cochrane(More)
OBJECTIVE To develop a set of quality criteria for patient decision support technologies (decision aids). DESIGN AND SETTING Two stage web based Delphi process using online rating process to enable international collaboration. PARTICIPANTS Individuals from four stakeholder groups (researchers, practitioners, patients, policy makers) representing 14(More)
The principles of shared decision making are well documented but there is a lack of guidance about how to accomplish the approach in routine clinical practice. Our aim here is to translate existing conceptual descriptions into a three-step model that is practical, easy to remember, and can act as a guide to skill development. Achieving shared decision(More)
The history of monitoring the outcomes of health care by external agencies can be traced to ancient times. However, the danger, now as then, is that in the search for improvement, comparative measures of mortality and morbidity are often overinterpreted, resulting in judgments about the underlying quality of care. Such judgments can translate into(More)
OBJECTIVES To describe the development, validation and inter-rater reliability of an instrument to measure the quality of patient decision support technologies (decision aids). DESIGN Scale development study, involving construct, item and scale development, validation and reliability testing. SETTING There has been increasing use of decision support(More)
This is the second in a four-part series of articles detailing the epistemology of patient safety research. This article concentrates on issues of study design. It first considers the range of designs that may be used in the evaluation of patient safety interventions, highlighting the circumstances in which each is appropriate. The paper then provides(More)
BACKGROUND Understanding the patient safety literature has been compromised by the inconsistent use of language. OBJECTIVE To identify key concepts of relevance to the International Patient Safety Classification (ICPS) proposed by the World Alliance For Patient Safety of the World Health Organization (WHO), and agree on definitions and preferred terms. (More)
BACKGROUND Delays in the implementation of research findings have been of particular concern during the last decade. New findings, such as the use of warfarin to prevent stroke in patients with atrial fibrillation, have been found to be implemented patchily in clinical practice, in both primary and secondary care. OBJECTIVE The purpose [corrected] of the(More)
BACKGROUND Shared decision making (SDM) can reduce overuse of options not associated with benefits for all and respects patient rights, but has not yet been widely adopted in practice. OBJECTIVES To determine the effectiveness of interventions to improve healthcare professionals' adoption of SDM. SEARCH METHODS For this update we searched for primary(More)
BACKGROUND AND AIMS Mycorrhizal associations are essential to the plant kingdom. The largest flowering plant family, the Orchidaceae, relies on mycorrhizal fungi for germination, growth and survival. Evidence suggests varying degrees of fungal-host specificity based on a single fungal isolate from a single plant. This paper shows for the first time the(More)