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| Content Provider | PubMed Central |
|---|---|
| Author | Chung, Phillip H. Zhang, Jiajie Johnson, Todd R. Patel, Vimla L. |
| Abstract | This paper introduces an extended hierarchical task analysis (HTA) methodology devised to evaluate and compare user interfaces on volumetric infusion pumps. The pumps were studied along the dimensions of overall usability and propensity for generating human error. With HTA as our framework, we analyzed six pumps on a variety of common tasks using Norman’s Action theory. The introduced method of evaluation divides the problem space between the external world of the device interface and the user’s internal cognitive world, allowing for predictions of potential user errors at the human-device level. In this paper, one detailed analysis is provided as an example, comparing two different pumps on two separate tasks. The results demonstrate the inherent variation, often the cause of usage errors, found with infusion pumps being used in hospitals today. The reported methodology is a useful tool for evaluating human performance and predicting potential user errors with infusion pumps and other simple medical devices. |
| Ending Page | 169 |
| Starting Page | 165 |
| File Format | |
| ISSN | 1942597X |
| e-ISSN | 1942597X |
| Journal | AMIA Annual Symposium Proceedings |
| Volume Number | 2003 |
| Language | English |
| Publisher | American Medical Informatics Association |
| Publisher Date | 2003-01-01 |
| Access Restriction | Open |
| Rights Holder | American Medical Informatics Association |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine |
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