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Updated: May 8, 2026

Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
Published on: July 27, 2018
Collecting data in real time with postcards
Kwang Chien Yee1, Anne Marie Kanstrup, Pernille Bertelsen
1School of Medicine, University of Tasmania, Australia.
The postcard method offers real-time data collection for understanding healthcare context in health information systems (HIS) design. This prospective technique, despite limitations, provides unique advantages for IT implementation in healthcare.
Area of Science:
- Health Informatics
- Information Systems Research
- Human-Computer Interaction
Background:
- Information technology (IT) transformation in healthcare is hindered by a lack of contextual understanding.
- Existing methods for understanding healthcare context often rely on retrospective or cross-sectional data collection.
- Effective design and implementation of Health Information Systems (HIS) require robust methods for context assessment.
Purpose of the Study:
- To introduce and describe the postcard method for prospective, real-time data collection in healthcare settings.
- To present results from applying the postcard technique in Denmark and Australia.
- To discuss the benefits and limitations of the postcard method for understanding healthcare context.
Main Methods:
- The paper details the postcard method, adaptable for both paper and electronic formats.
- Prospective, real-time data collection was employed using the postcard technique.
- Case studies from Denmark and Australia illustrate the application and outcomes of the method.
Main Results:
- The postcard method demonstrated unique advantages in capturing real-time healthcare context.
- Benefits of the technique in enhancing IT design and implementation were illustrated through case studies.
- Limitations associated with the postcard technique were identified and discussed.
Conclusions:
- The postcard method is a valuable technique for prospective, real-time data collection in healthcare.
- Understanding real-time healthcare context is crucial for successful IT design and implementation.
- The postcard method offers a practical approach to address the limitations of retrospective data collection in HIS development.
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