On the Design of Subly: Instilling Behavior Change During Web Surfing Through Subliminal Priming

Caraban, Ana; Karapanos, Evangelos; Teixeira, Vítor; Munson, Sean A.; Campos, Pedro

doi:10.1007/978-3-319-55134-0_13

Cited by 8 publications

(11 citation statements)

References 19 publications

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“…subliminally. Caraban et al 2017 applied subliminal priming in a browser plug-in by decreasing the opacity of key words and found some evidence of priming on subsequent item selection. Our own research in the area found mixed results of the immediate impact of subliminal priming across different primes (polygons, words, photos) delivered on smartphones .…”

Section: Nonconscious Goalsmentioning

confidence: 99%

Digital Behaviour Change Interventions to Break and Form Habits

Pinder

Vermeulen

Cowan

et al. 2018

ACM Trans. Comput.-Hum. Interact.

133

115

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Digital behaviour change interventions, particularly those using pervasive computing technology, hold great promise in supporting users to change their behaviour. However, most interventions fail to take habitual behaviour into account, limiting their potential impact. This failure is partly driven by a plethora of overlapping behaviour change theories and related strategies that do not consider the role of habits. We critically review the main theories and models used in the research to analyse their application to designing effective habitual behaviour change interventions. We highlight the potential for Dual Process Theory, modern habit theory, and Goal Setting Theory, which together model how users form and break habits, to drive effective digital interventions. We synthesise these theories into an explanatory framework, the Habit Alteration Model, and use it to outline the state of the art. We identify the opportunities and challenges of habit-focused interventions.

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Section: Nonconscious Goalsmentioning

confidence: 99%

Digital Behaviour Change Interventions to Break and Form Habits

Pinder

Vermeulen

Cowan

et al. 2018

ACM Trans. Comput.-Hum. Interact.

133

115

View full text Add to dashboard Cite

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“…active) to unconsciously activate behavioral goals each time the user unlocked his phone. Caraban et al [14] developed Subly, a web-plugin that manipulates the opacity of selected words as people surf on the web, while Barral et al [7] quickly flashed certain cues to encourage particular food selections in a virtual kitchen.…”

Section: Subliminal Primingmentioning

confidence: 99%

23 Ways to Nudge

Caraban

Karapanos

Gonçalves

et al. 2019

Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems

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272

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Ten years ago, Thaler and Sunstein introduced the notion of nudging to talk about how subtle changes in the 'choice architecture' can alter people's behaviors in predictable ways. This idea was eagerly adopted in HCI and applied in multiple contexts, including health, sustainability and privacy. Despite this, we still lack an understanding of how to design effective technology-mediated nudges. In this paper we present a systematic review of the use of nudging in HCI research with the goal of laying out the design space of technology-mediated nudging-the why (i.e., which cognitive biases do nudges combat) and the how (i.e., what exact mechanisms do nudges employ to incur behavior change). All in all, we found 23 distinct mechanisms of nudging, grouped in 6 categories, and leveraging 15 different cognitive biases. We present these as a framework for technology-mediated nudging, and discuss the factors shaping nudges' effectiveness and their ethical implications. CCS CONCEPTS • Human-centered computing → Human computer interaction.

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“…Within a virtual reality context, Barral et al found a significant impact of subliminal priming on correct target selection, but only for trials where reaction times were less than 1 second [7]. Caraban et al developed a browser plug-in and researched the use of subliminal priming to guide selection by changing the opacity of key words [17]. They found evidence that subliminal priming delivered by altering opacity of word primes increased selection of a semantically related picture target compared to no-priming and supraliminal conditions.…”

Section: Item Selectionmentioning

confidence: 99%

“…Interest in the effectiveness of subliminal, nonconscious techniques to influence user behaviour is growing in HCI [17,43,44,50,51,58]. This paper investigates the effectiveness of subliminal semantic priming on smartphones.…”

Section: Introductionmentioning

confidence: 99%

Subliminal semantic number processing on smartphones

Pinder

Vermeulen

Cowan

2018

Proceedings of the 20th International Conference on Human-Computer Interaction With Mobile Devices and Services

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One potential method of improving the efficiency of human-computer interaction is to display information subliminally. Such information cannot be recalled consciously, but has some impact on the perceiver. However, it is not yet clear whether people can extract meaning from subliminal presentation of information in mobile contexts. We therefore explored subliminal semantic priming on smartphones. This builds on mixed evidence for subliminal priming across HCI in general, and mixed evidence for the effect of subliminal affective priming on smartphones. Our semi-controlled experiment (n=103) investigated subliminal processing of numerical information on smartphones. We found evidence that concealed transfer of information is possible to a very limited extent, but little evidence of a semantic effect. Overall, the impact is effectively negligible for practical applications. We discuss the implications of our results for real-world deployments and outline future research themes as HCI moves beyond mobile.

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On the Design of Subly: Instilling Behavior Change During Web Surfing Through Subliminal Priming

Cited by 8 publications

References 19 publications

Digital Behaviour Change Interventions to Break and Form Habits

Digital Behaviour Change Interventions to Break and Form Habits

23 Ways to Nudge

Subliminal semantic number processing on smartphones

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