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Infusion pumps and patient safety : a comparison of Infusion pump interfaces by means of psychophysiological measures

Sommer, J. (2014) Infusion pumps and patient safety : a comparison of Infusion pump interfaces by means of psychophysiological measures.

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Abstract:Infusion and thereby infusion pumps are an irreplaceable asset in modern health care. However, there are 56.000 adverse events related to them reported yearly. These are mainly due to use errors. Therefore, a new prototype interface was developed and its usability was tested against a commonly used one. Nurses from both the intensive care and the nursing department were asked to complete three sets of comparable tasks for both interfaces, during which electrodermal activity of all participants was recorded. Results indicate no significant differences in habituation between both interfaces as well as no differences on psychophysiological parameters of amplitude, NS.SCR frequency and SCL. Further, these psychophysiological measures did not correlate well with subjective measures of workload as well. Tasks, which exhibited a high error rate often showed higher EDA parameters, even though this relationship was not significant. It is concluded that the prototype interface is more usable than the old one, although EDA could not differentiate between them. This, however, is a positive outcome in itself considering the short design-cycle of the new interface. Considering the host of innovations which have been introduced with the prototype interface, even significantly higher EDA values would have been perfectly natural.
Item Type:Essay (Master)
Faculty:BMS: Behavioural, Management and Social Sciences
Subject:77 psychology
Programme:Psychology MSc (66604)
Link to this item:http://purl.utwente.nl/essays/65148
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