Avaliação de heurísticas de usabilidade do aplicativo Preemie Care

Abstract

Mobile Health (mHealth) is gaining more and more space and importance in health care. Applications for mobile devices need to have good usability to achieve their goals for users. The objective of this study is to evaluate the usability of the Preemie Care application using Nielsen's Heuristics as an instrument. Methods: Fifteen evaluators installed the alpha version on their cell phones and answered a questionnaire based on the proposed instrument. Results: The median of the scores received was 5 and 8 of the 10 heuristics obtained more than 80% of the evaluation with the maximum score, indicating high usability of the application. Discussion: A systematic and objective evaluation of usability is an important step to ensure the quality of the application before its release to its general public. One of the advantages of evaluating usability using Nielsen's Heuristics is that it does not require a large number of participants. Conclusion: The proposed evaluation fulfilled its objectives, demonstrating the efficiency of Nielsen's Heuristics, mainly in the case of an alpha version of an application.