Table 1

Adaptation of the System Usability Scale (SUS) to the context of the evaluation of the tool for evaluating medication alerting systems (TEMAS) and the instrument for evaluating human factors principles in medication-related decision support alerts (I-MeDeSA)

#Original versionAdapted version
1I think that I would like to use this system frequentlyI think that I would like to use TEMAS/I-MeDeSA when I need to assess the usability of an alert system
2I found the system unnecessarily complexI found TEMAS/I-MeDeSA unnecessary complex
3I thought the system was easy to useI thought the TEMAS/I-MeDeSA was easy to use
4I think I would need the support of a technical person to be able to use this systemI think that I would need support to be able to use TEMAS/I-MeDeSA
5I found the various functions in the system were well integratedI found the various features of TEMAS/I-MeDeSA (ex: titles of sections, items, response fields, etc) were well integrated
6I thought there was too much inconsistency in this systemI thought there was too much inconsistency in TEMAS/I-MeDeSA
7I would imagine that most people would learn to use this system very quicklyI would imagine that most people would learn to use TEMAS/I-MeDeSA very quickly
8I found this system very awkward to useI found TEMAS/I-MeDeSA very cumbersome to use
9I felt very confident using the systemI felt very confident using TEMAS/I-MeDeSA
10I needed to learn a lot of things before I could get going with this systemI needed to learn a lot of things before I could get going with TEMAS/I-MeDeSA