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Related Experiment Videos

IMPACT: an object-oriented graphical environment for construction of multimedia patient interviewing software

L A Lenert1, D Michelson, C Flowers

  • 1Department of Medicine, Stanford Univ. School of Medicine, CA 94305, USA.

Proceedings. Symposium on Computer Applications in Medical Care
|January 1, 1995
PubMed
Summary

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This software, IMPACT, rapidly builds multimedia health outcome preference assessments. It offers reliable and understandable tools for patient decision-making, enhancing research and clinical applications.

Area of Science:

  • Health economics
  • Decision analysis
  • Human-computer interaction

Background:

  • Assessing patient preferences for health outcomes is crucial for decision analysis.
  • Existing methods can be complex and time-consuming to implement.
  • Multimedia and interactive tools can improve patient engagement and data collection.

Purpose of the Study:

  • To introduce IMPACT, a software for rapid construction of multimedia computer interviews.
  • To enable researchers to measure health outcome preferences using decision analytic techniques.
  • To provide a user-friendly interface for creating patient interviewing instruments.

Main Methods:

  • Developed IMPACT software with a point-and-click interface.
  • Integrated multimedia elements (text, graphics, speech, sound, video).

Related Experiment Videos

  • Implemented branching logic and randomized presentation for customized and experimental designs.

    • Main Results:

    • Preference assessments using IMPACT showed high test-retest reliability (r = 0.83, n = 96).
    • Most subjects understood valuation methods (86%) and found explanations clear (96%).
    • A majority found the methods reasonable (80%), not difficult (53%), and comfortable for medical decisions (53%).

    Conclusions:

    • IMPACT software facilitates reliable and understandable health outcome preference assessments.
    • The tool enhances the creation of patient interviewing instruments with multimedia capabilities.
    • IMPACT supports customized patient interactions and experimental designs in health research.