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Related Experiment Videos

The think aloud method: a guide to user interface design.

Monique W M Jaspers1, Thiemo Steen, Cor van den Bos

  • 1Department of Medical Informatics, Academic Medical Center, J 2-259, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands. m.w.jaspers@amc.uva.nl

International Journal of Medical Informatics
|October 20, 2004
PubMed
Summary

Designing user interfaces for pediatric oncologists

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Area of Science:

  • Human-Computer Interaction
  • Medical Informatics
  • Cognitive Engineering

Background:

  • Poorly designed user interfaces hinder clinical computer system adoption.
  • Pediatric oncologists require efficient and satisfying interaction with computerized patient records.

Purpose of the Study:

  • To design a user interface for a pediatric oncologists' computerized patient record.
  • To enhance oncologists' efficiency and satisfaction by considering working behavior and human-computer interaction principles.

Main Methods:

  • Think aloud method with video recording to understand paper-based record searching.
  • Protocol and video analyses to develop a cognitive task model.
  • Prototype user interface design based on the cognitive model and evaluated by oncologists.

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Main Results:

  • The computerized medical record system met pediatric oncologists' information needs and task behavior.
  • The user interface design minimized workload and efficiently supported visit preparation.
  • Pediatric oncologists reported high satisfaction with the system.

Conclusions:

  • Early involvement of cognitive engineering methods aids in designing systems that support healthcare professionals' work practices.
  • The think aloud method is valuable for requirements analysis in clinical computer system design.