通过在可用性评估方法中应用DEMIGNED原则来捕捉患有痴呆症的人的可用性问题:混合方法研究研究
Thomas Engelsma1,2,3, Simone Heijmink1, Heleen M A Hendriksen4,5
1eHealth Living & Learning Lab Amsterdam, Department of Medical Informatics, Amsterdam UMC, location University of Amsterdam, Amsterdam, Netherlands.
JMIR human factors
|July 31, 2024
概括
DEMIGNED原则有效地确定了79.6%的可用性问题,用于记忆诊所患者的移动网站. 这种方法有助于改善认知能力下降的个体的数字健康可访问性,减少数字健康不平等.
科学领域:
- 数字健康数字健康
- 人与计算机的交互
- 老年学是一门学科.
背景情况:
- 与痴呆症相关的损伤为访问和使用数字健康技术 (DHT) 造成了重大障碍,加剧了数字健康不平等.
- 从文献中获得的DEMIGNED原则为设计和评估针对认知衰退患者的DHT提供了指导.
- 这一群体,包括主观认知衰退 (SCD),轻度认知障碍 (MCI) 和痴呆症患者,正在迅速增长.
研究的目的:
- 在可用性评估方法中应用DEMIGNED原则,用于为记忆诊所患者服务的移动网站.
- 在这个移动网站上识别SCD,MCI或痴呆症患者遇到的可用性问题.
- 在移动DHT的专家测试中,通过DEMIGNED原则确定可用性问题的有效性.
主要方法:
- 使用DEMIGNED原则作为特定领域的指南进行了启发性评估,涉及3名双重专家和2名可用性工程专家.
- 与来自记忆诊所的7名患者进行了大声思考会议,包括患有SCD,MCI和痴呆症的人.
- 在启发式评估中发现的可用性问题与患者大声思考时遇到的问题进行了比较.
主要成果:
- 启发式评估确定了36个独特的可用性问题.
- 与7名患者进行大声思考的会议揭示了181个可用性问题,映射到144个 (79.6%) 的启发式识别问题.
- 通过用户测试确定了另外10个独特的可用性问题,其中常见的问题包括搜索功能,内容组织,滚动,信息过载和不清楚的反.
结论:
- 在专家测试中应用DEMIGNED原则成功地捕获了大量 (79.6%) 在用户测试记忆诊所患者移动网站时遇到的可用性问题.
- 该研究表明,通过启发性评估发现的50%的独特可用性问题也在用户测试中观察到.
- 建议进行进一步的研究,以探索DEMIGNED原则对其他DHT功能的适用性,以提高数字健康可访问性并减少这一人口群体的不平等.
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