ArticleJMIR serious games2025
Digital Ergonomics of NavegApp, a Novel Serious Game for Spatial Cognition Assessment: Content Validity and Usability Study.
Article in JMIR serious games, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- NavegApp, a serious game for assessing spatial cognition: Diagnostic accuracy in preclinical and prodromal Alzheimer's disease.PLOS digital health · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAlzheimer disease (AD) is the leading cause of dementia worldwide. With aging populations and limited access to effective treatments, there is an urgent need for innovative markers to support timely preventive interventions. Emerging evidence highlights spatial cognition (SC) as a valuable source of cognitive markers for AD. This study presents NavegApp, a serious game (SG) designed to assess 3 key components of SC, which show potential as cognitive markers for the early detection of AD.
objectiveThis study aimed to determine the content validity and usability perception of NavegApp across multiple groups of interest.
methodsA multistep process integrating methodologies from software engineering, psychometrics, and health measurement was implemented to validate the software. Our approach was structured into 3 stages, guided by the software life cycle for health and the Consensus-Based Standards for the Selection of Health Status Measurement Instruments (COSMIN) recommendations for evaluating the psychometric quality of health instruments. To assess content validity, a panel of 8 experts evaluated the relevance and representativeness of tasks included in the app. In addition, 212 participants, categorized into 5 groups based on their clinical status and risk level for AD, were recruited to evaluate the app's digital ergonomics and usability at various stages of development. Complementary analyses were performed to identify group differences and to explore the association between task difficulty and user agreeableness.
resultsNavegApp was validated as a highly usable tool by both experts and users. The expert panel confirmed that the tasks included in the game were representative (Aiken V=0.96-1.00) and relevant (Aiken V=0.96-1.00) for measuring SC components. Both experts and nonexperts rated NavegApp's digital ergonomics positively, with minimal differences between groups (r
conclusionsNavegApp is a valid and user-friendly SG designed for SC assessment, developed by integrating software engineering and psychometric evaluation methodologies. While the results are promising, further studies are warranted to evaluate its diagnostic accuracy and construct validity. This work outlines a comprehensive framework for SG development in cognitive assessment, emphasizing the importance of incorporating psychometric validity measures from the outset of the design process.
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