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Portfolio

Doctoral Research: A Human-Centered Design Approach to Prototyping a System to Support Delay Awareness in Trauma Resuscitation

Goal

Design, implement, and evaluate an information system to unobstrusively alert the trauma resuscitation team of delays and errors

Evaluation Methodology

Remote near-live simulations to evaluate the ability of the prototype to aid clinicians to detect delays

User Research Methods

Semi-structured Interviews and Card Sorting Workshops to learn common delay types and user design requirements

User-research Findings

  • Common Delays include establishing vascular access and obtaining vitals

  • Different role types experience delays differently

Design Methods

Iterative sketching methods followed by surveys to receive user feedback

Design Requirements

Visual and non-intrusive alerts

  • Displays that give a high-level of information.

  • Multi-modal system to increase awareness for all team members

Evaluation Findings

  • Clinicians were more likely to detect delays in the scenarios with the prototype alert system than in the control scenarios

    •  Participants voiced awareness of delays in 86% (13 out of 15) of instances in the scenarios with the prototype alert system.

    • In the control scenarios, participants voiced awareness of delays in just 53% (8 out of 15) of instances.

  • ​Participants in the control scenarios took longer to respond to delays than the participants in the experimental scenarios.

    • The median response time to a delay was 23 seconds in the experimental scenarios and 107 seconds in the control scenarios

  • 8/10 participants responded positively to the prototype, 2 participants were neutral

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