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Brief title
Health condition
Not relevant
Sponsors and support
Intervention
Outcome measures
Primary outcome
The main study parameter is the construct validity of the D-SUS according to the definition of the COSMIN Criteria. Correlations between D-SUS, D-QUEST, and the general usability question (‘Overall, how would you rate the application on a scale from 0 to 10?’) will be assessed by the Spearman Correlation Coefficient (level of significance p<0.05, correlation coefficient>0.8) as a measure of construct validity.
Secondary outcome
The secondary study parameter is test-retest reliability of the D-SUS. This will be determined by Blant-Altman plots, Intraclass Correlation Coefficient (ICC) and percentage of agreement between the results of the first and second moment of filling out the D-SUS, D-QUEST, and the general usability question.
Background summary
Rationale: Development of technology occurs at fast speed and new healthcare innovations find their way to modern hospitals and rehabilitation centers. The likeliness that these new innovations will actually be used in clinical practice increases when the intended users are positive about the use of the developed innovation. Therefore, assessment of the system usability is important both during and after development to improve and optimize the design, development processes, and implementation of such innovations. The System Usability Scale (SUS) is the international standard for measuring usability and can quickly be filled out within both the developing and evaluation phase for a certain (healthcare) innovation. However, the SUS is not yet available in Dutch. In order to use the SUS in rehabilitation care in the Netherlands, it is thus recommended to develop a Dutch version of the SUS.
Objective: The primary aim of this research is to develop a Dutch version of the SUS (D-SUS), and to determine the construct validity and test-retest reliability of the D-SUS in rehabilitation care.
Study design: Validity and reliability study.
Study population: Adults (18 years and older) who are familiar with rehabilitation innovations and understand the Dutch language.
Intervention: Participants are asked to fill out two questionnaires (D-SUS and D-QUEST) and a general usability question twice.
Main study parameters/endpoints: The main study parameter is the construct validity and test-retest reliability of the D-SUS.
Nature and extent of the burden and risks associated with participation, benefit and group relatedness: We will only include patients and therapist who already use the rehabilitation innovation in clinical practice. The questionnaires address general usability of these devices. Therefore, no risks are identified and no burden is associated with participation. Patients do not directly benefit from participating but participation contributes to the availability of a reliable, validated Dutch questionnaire regarding usability of future rehabilitation innovations.
Study objective
We hypothesize that the Dutch version of the System Usability Scale is a valid and reliable tool to measure usability of rehabilitation technology.
Study design
Baseline (T0) and 2-3 weeks after the baseline measurement (T1)
Inclusion criteria
- Adult patient or therapist (18 years or older).
- Able to understand the Dutch language.
- Experience (for at least 4 different moments in time) with either walking assistance devices (ankle-foot orthosis, Rewalk), eHealth applications (Dr. Bart App) or training devices (GRAIL, C-Mill, Zero-G, Lokomat).
Exclusion criteria
None
Design
Recruitment
IPD sharing statement
Followed up by the following (possibly more current) registration
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In other registers
| Register | ID |
|---|---|
| NTR-new | NL9169 |
| Other | CMO regio Arnhem-Nijmegen : 2020-6848 |