信息表征对移动医疗APP隐私政策阅读效果的影响研究——基于认知负荷理论

Research on the Influence of Information Representation on Privacy Policy of M-Health APP:Based on Cognitive Load Theory

[目的/意义]移动医疗场景下的隐私保护是当下亟待解决的重要课题,对其用户隐私政策阅读效果的研究不仅可以激发用户隐私政策阅读意愿、提高用户隐私保护意识,且有利于移动医疗的普及和应用。[方法/过程]尝试从便于用户阅读和理解的视角出发,以认知负荷理论为基础,通过虚拟实验和多因素方差分析对不同类型的用户阅读不同形式的隐私政策时的主观认知负荷和客观成绩进行测量,并基于此研究信息表征对移动医疗APP隐私政策阅读效果的影响。[结果/结论]结果发现图示型隐私政策可有效地降低视觉型用户的主观认知负荷,且与文本型隐私政策相比,图示型隐私政策兼顾可读性和理解性,可显著提高用户阅读后的客观成绩。

[Purpose/significance]Privacy protection in mobile health environment is an important issue that needs to be solved urgently.Research on the reading effect of privacy policies of mobile health apps can stimulate users’willingness to read the privacy policies and improve users’awareness of privacy protection,which is conducive to the long-term development and application of the mobile health apps.[Method/process]z This paper attempts to measure the subjective cognitive load and objective performance of different types of users when reading different forms of privacy policies from the perspective of user-friendly reading and understanding,based on the cognitive load theory,through virtual experiments and multi factor analysis of variance,and to study the influence of information representation on the reading effect of privacy policies of mobile medical app.[Result/conclusion]The results showed that compared with the textual privacy policy,the graphical privacy policy is more readable and comprehensible,which can effectively reduce the cognitive load of visual users,and can significantly improve users’reading achievement.