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LocknType: Lockout Task Intervention for Discouraging Smartphone App Use

Title
LocknType: Lockout Task Intervention for Discouraging Smartphone App Use
Author
고민삼
Issue Date
2019-05
Publisher
ACM
Citation
CHI '19: Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems, Article no. 697
Abstract
Instant access and gratification make it difficult for us to self-limit the use of smartphone apps. We hypothesize that a slight increase in the interaction cost of accessing an app could successfully discourage app use. We propose a proactive intervention that requests users to perform a simple lockout task (e.g., typing a fixed length number) whenever a target app is launched. We investigate how a lockout task with varying workloads (i.e., pause only without number input, 10-digit input, and 30-digit input) influence a user’s decision making, by a 3-week, in-situ experiment with 40 participants. Our findings show that even the pause-only task that requires a user to press a button to proceed discouraged an average of 13.1% of app use, and the 30-digit-input task discouraged 47.5%. We derived determinants of app use and non-use decision making for a given lockout task. We further provide implications for persuasive technology design for discouraging undesired behaviors.
URI
https://dl.acm.org/doi/10.1145/3290605.3300927https://repository.hanyang.ac.kr/handle/20.500.11754/121793
DOI
10.1145/3290605.3300927
Appears in Collections:
COLLEGE OF COMPUTING[E] > MEDIA, CULTURE, AND DESIGN TECHNOLOGY(ICT융합학부) > Articles
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