Document Detail


Design and usability of heuristic-based deliberation tools for women facing amniocentesis.
MedLine Citation:
PMID:  21241434     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Background  Evidence suggests that in decision contexts characterized by uncertainty and time constraints (e.g. health-care decisions), fast and frugal decision-making strategies (heuristics) may perform better than complex rules of reasoning. Objective  To examine whether it is possible to design deliberation components in decision support interventions using simple models (fast and frugal heuristics). Design  The 'Take The Best' heuristic (i.e. selection of a 'most important reason') and 'The Tallying' integration algorithm (i.e. unitary weighing of pros and cons) were used to develop two deliberation components embedded in a Web-based decision support intervention for women facing amniocentesis testing. Ten researchers (recruited from 15), nine health-care providers (recruited from 28) and ten pregnant women (recruited from 14) who had recently been offered amniocentesis testing appraised evolving versions of 'your most important reason' (Take The Best) and 'weighing it up' (Tallying). Results  Most researchers found the tools useful in facilitating decision making although emphasized the need for simple instructions and clear layouts. Health-care providers however expressed concerns regarding the usability and clarity of the tools. By contrast, 7 out of 10 pregnant women found the tools useful in weighing up the pros and cons of each option, helpful in structuring and clarifying their thoughts and visualizing their decision efforts. Several pregnant women felt that 'weighing it up' and 'your most important reason' were not appropriate when facing such a difficult and emotional decision. Conclusion  Theoretical approaches based on fast and frugal heuristics can be used to develop deliberation tools that provide helpful support to patients facing real-world decisions about amniocentesis.
Authors:
Marie-Anne Durand; Odette Wegwarth; Jacky Boivin; Glyn Elwyn
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-18
Journal Detail:
Title:  Health expectations : an international journal of public participation in health care and health policy     Volume:  -     ISSN:  1369-7625     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9815926     Medline TA:  Health Expect     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2011 Blackwell Publishing Ltd.
Affiliation:
Senior Project Manager, NHS Direct, London, UK Research Scientist, Max Planck Institute for Human Development, Harding Center for Risk Literacy, Berlin, Germany Professor, School of Psychology, Cardiff University, Cardiff, UK Professor, NHS Direct, London, UK.
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