Raising user impulse awareness

Fulda, Johanna; Tierens, Pieter; Mäntyharju, Teemu; Wimmer, Thomas

doi:10.1145/2540930.2555205

Cited by 5 publications

(6 citation statements)

References 2 publications

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“…A cursor can move along the surface. The design is originally inspired by the Sensitive Rolypoly [13], and the final design looks similar to the InGen [1] when folded.…”

Section: Design Principlementioning

confidence: 99%

KnobSlider

Kim

Coutrix

Roudaut

2018

Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems

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Physical controls are widely used by professionals such as sound engineers or aircraft pilots. In particular knobs and sliders are the most prevalent in such interfaces. They have advantages over touchscreen GUIs, especially when users require quick and eyes-free control. However, their interfaces (e.g., mixing consoles) are often bulky and crowded. To improve this, we present the results of a formative study with professionals who use physical controllers. Based on their feedback, we propose design requirements for future interfaces for parameters control. We then introduce the design of our KnobSlider that combines the advantages of a knob and a slider in one unique shape-changing device. A qualitative study with professionals shows how KnobSlider supports the design requirements, and inspired new interactions and applications.

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“…A cursor can move along the surface. The design is originally inspired by the Sensitive Rolypoly [13], and the final design looks similar to the InGen [1] when folded.…”

Section: Design Principlementioning

confidence: 99%

KnobSlider

Kim

Coutrix

Roudaut

2018

Proceedings of the 2018 CHI Conference on Human Factors in Computing Systems

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“…One example that can illustrate these principles is the Sensitive Rolypoly [10], when the motion is stopped in different stages of the continuous movement. The inbetween state illustrated in Figure 8, have an unsettled nature either moving down or up, creating a sense of imbalance in the shape.…”

Section: Form Specifying Transformability Potentialmentioning

confidence: 99%

“…The majority of SCIs rely on prespecified movement patterns causing the SCI to move in a consistent and identical manner, such as NinjaTrack [26] ( Figure 5) and KnobSlider [27] (Figure 10). The Sensitive Rolypoly [10] (Figure 8) on the other hand moves in response to the noise level in the room, and thus rarely moves in exactly the same way.…”

Section: Movement Character and Trajectory Specifying (Level Of) Animacymentioning

confidence: 99%

Affordances of Shape-Changing Interfaces

Petersen

Rasmussen

Trettvik

2020

Proceedings of the 2020 ACM Designing Interactive Systems Conference

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Affordances is an important term in the field of Shape-Changing Interfaces (SCI). But the field is challenged by a multitude of vaguely defined concepts around affordances such as dynamic, spatial, or tactile affordances. In line with this, Alexander et al [1] recently pointed to lack of theory as one of the grand challenges for SCI. This paper proposes a re-analysis of Gibson for resolving the conceptual cacophony in the field of SCI. Essential to the ecological approach to affordances, is that perception is dynamic and people pick up information through exploring objects and environments over time. From this perspective, affordances of Shape-Changing Interfaces become a matter of providing Information-through the design-regarding a) the interfaces' ability to transform its shape and b) how movement suggests level of animacy. Through analyzing scholarly SCI prototypes, from this perspective, we provide an initial set of design strategies for affordances of shapechanging interfaces.

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“…Principle: a student design work (Fulda et al, 2014 ) inspired our design. The idea is to use six triangular prism modules connected to each other as shown on Figure 4 .…”

Section: Knobslider Designmentioning

confidence: 99%

“…A cursor can move along the surface. The design is originally inspired by the Sensitive Rolypoly (Fulda et al, 2014 ), and the final design looks similar to the InGen (Badshah et al, 2011 ) when folded. The shortest diameter of the knob status (hexagon) is around 71.6 mm.…”

Section: Knobslider Designmentioning

confidence: 99%

KnobSlider: Design of a Shape-Changing Parameter Control UI and Study of User Preferences on Its Speed and Tangibility

2019

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Professionals such as sound engineers or aircraft pilots heavily use physical knobs and sliders on their interfaces. The interfaces have advantages over touchscreen interfaces, especially when the users need to quickly and eyes-freely respond to changing situations such as when musicians are improvising, or there is smoke in a cockpit. However, unlike touchscreen interfaces, the physical interfaces are often bulky and crowded and lack of adaptability to user preferences or small spaces. To have advantages from both physical and touchscreen control interfaces, we explore design space of control interfaces and suggest design guidelines in the following steps. We first conduct a formative study with eight professionals who use knobs and sliders. Based on their feedback, we propose design requirements for future parameter control interfaces. We then introduce the design of the KnobSlider, a shape-changing device that combines the advantages of a physical knob and a slider in a time-and space-multiplexing way. To increase users' acceptance on shape-changing control interfaces, we investigate subjective preference on speed of shape-changes by using pairwise comparison with different maximum speeds. We also investigate how tangibility-showing KnobSlider on a video or showing it in the physical world-affects users preference and suggest speed design guidelines for future studies.

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Raising user impulse awareness

Cited by 5 publications

References 2 publications

KnobSlider

KnobSlider

Affordances of Shape-Changing Interfaces

KnobSlider: Design of a Shape-Changing Parameter Control UI and Study of User Preferences on Its Speed and Tangibility

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