A nudge is a method to influence individual choices without taking away freedom of choice. We are interested in whether nudges can help adolescents avoid privacy and safety threats on social network services (SNS). We conducted online surveys to compare how different nudge designs influence decisions in 9 scenarios featuring various privacy and safety threats. Through the data collected from adolescent SNS users (self-claimed high school and university students), and found that nudges can help to reduce potentially risky choices. Participants were more likely to avoid potentially risky choices when presented with negative frames (e.g., “90% of users would not share a photo without permission”) than affirmative ones (e.g., “10% of users would”). Social nudges displaying statistics on how likely other people would make potentially risky decisions can have a negative effect in comparison to a nudge with only general privacy and safety suggestions. We conclude by providing design considerations for privacy/safety nudges targeting adolescent SNS users.
Hiroaki Masaki, Kengo Shibata, Shui Hoshino, Takahiro Ishihama, Nagayuki Saito, and Koji Yatani. Exploring Nudge Designs to Help Adolescent SNS Users Avoid Privacy and Safety Threats. To appear in Proceedings of ACM CHI Conference on Human Factors in Computing Systems, 2020.
正木 博明，柴田 健吾，星野 秀偉，石濵 嵩博，齋藤 長行，矢谷 浩司．「SNS上の行動に関する若年層ユーザに対するナッジの効果検証」情報処理学会HCI研究会，2020年1月．
This paper presents Tabby, an interactive and explorable design tool for 3D printing textures. Tabby allows texture design with direct manipulation in the following workflow: 1) select a target surface, 2) sketch and manipulate a texture with 2D drawings, and then 3) generate 3D printing textures onto an arbitrary curved surface. To enable efficient texture creation, Tabby leverages an auto-completion approach which automates the tedious, repetitive process of applying texture, while allowing flexible customization. Our user evaluation study with seven participants confirms that Tabby can effectively support the design exploration of different patterns for both novice and experienced users.
Ryo Suzuki, Koji Yatani, Mark D. Gross, and Tom Yeh. Tabby: Explorable Design for 3D Printing Textures. In Proceedings of Pacific Graphics 2018.