e.g. mhealth
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Skip search results from other journals and go to results- 145 JMIR Formative Research
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In addition, 3 researchers (CJ, AC, and NMH) were present for interviews and a modified system usability scale guided conversation [27]. The Think-Aloud participants reviewed each aspect and function of a previous version of the app by walking through it on their phones in real time, providing suggestions for possible design changes and usability improvement. Adaptation recommendations were categorized by ease of implementation and frequency.
JMIR Form Res 2025;9:e60531
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The direct input of family caregivers and other stakeholders into the content, structure, and handling of the digital assessment system provides crucial feedback regarding its content validity as well as comprehensiveness and technical usability. Through a greater level of involvement of stakeholders, health care services can be improved and be more applicable in real-world clinical settings and facilitate implementation [19].
JMIR Aging 2025;8:e59942
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In addition, 3 usability heuristics specific to information visualizations in the dashboards were included: spatial organization, information coding, and orientation [19].
Usability heuristics and their definitions used in the heuristic usability evaluation.
a HIT: health information technology.
Severity ratings for usability violations in the heuristic evaluation.
JMIR Hum Factors 2025;12:e64131
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The second stage, alpha testing, was focused on identifying and resolving general usability issues, ensuring data transfer integrity, collecting evidence on digital ergonomics and usability perception, and evaluating the app’s content validity through an expert panel [37].
JMIR Serious Games 2025;13:e66167
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Although not all user errors result from design flaws, usability evaluations conducted before commercialization can effectively mitigate design-related issues [8,9]. Usability engineering processes play a vital role in identifying and addressing predictable user errors in clinical environments, ensuring the safety and efficiency of medical devices [10,11].
Usability evaluations can be categorized as formative or summative, depending on the timing and purpose of the evaluation [12].
JMIR Form Res 2025;9:e68149
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To allow for meaningful comparisons of feedback, our recruitment strategy aimed to include participants with varying levels of experience using the Pro Herz app, aligning with best practices in end-user and usability testing. Medical experts were recruited through Pro Carement, where they interact with the Pro Herz users in their daily work. All experts were nurses with long-term experience in heart failure care.
JMIR Hum Factors 2025;12:e56798
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Usability was assessed using the System Usability Scale (SUS). The SUS is a validated usability questionnaire that has been used in clinical settings to assess the usability of various systems and tools [33,34]. The SUS includes 10 statements rated on a 5-point Likert scale (from 1=strongly disagree to 5=strongly agree). The score ranges from 0 to 100 with a score higher than 70 being considered acceptable [35].
JMIR Cardio 2025;9:e58124
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The System Usability Scale (SUS) [37] was used for this purpose. It is a methodological tool similar to the Likert Scale that measures the usability of an object, device, and application. The scale consists of 10 questions that can be scored from 1 to 5, where 1 means “Strongly disagree” and 5 means “Strongly agree” (Multimedia Appendix 1).
JMIR Serious Games 2025;13:e54312
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The validated Telehealth Usability questionnaire (TUQ) was used with minor modifications to capture relevant information to the specific use case [13]. The modified questionnaire (m TUQ) was developed with input from clinicians, engineers, a medical physicist, and a senior intensive care nurse.
The survey consisted of 40 questions in total.
JMIR Hum Factors 2025;12:e54560
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Finally, we trained a supervised machine learning model and developed pathways (D) to classify individuals using features most consistently linked to CCP subgroups before evaluating its diagnostic validity and usability on an external cohort. Pathologically abnormal diagnoses consisted of CIN1, CIN2, CIN3, and carcinoma.
JMIR Public Health Surveill 2025;11:e67840
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