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Understanding grip shifts: how form factors impact hand movements on mobile phones

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Standard

Understanding grip shifts : how form factors impact hand movements on mobile phones. / Eardley, Rachel; Roudaut, Anne; Gill, Steve; Thompson, Stephen.

Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages. Association for Computing Machinery (ACM), 2017. p. 4680-4691.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Harvard

Eardley, R, Roudaut, A, Gill, S & Thompson, S 2017, Understanding grip shifts: how form factors impact hand movements on mobile phones. in Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages. Association for Computing Machinery (ACM), pp. 4680-4691. https://doi.org/10.1145/3025453.3025835

APA

Eardley, R., Roudaut, A., Gill, S., & Thompson, S. (2017). Understanding grip shifts: how form factors impact hand movements on mobile phones. In Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages (pp. 4680-4691). Association for Computing Machinery (ACM). https://doi.org/10.1145/3025453.3025835

Vancouver

Eardley R, Roudaut A, Gill S, Thompson S. Understanding grip shifts: how form factors impact hand movements on mobile phones. In Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages. Association for Computing Machinery (ACM). 2017. p. 4680-4691 https://doi.org/10.1145/3025453.3025835

Author

Eardley, Rachel ; Roudaut, Anne ; Gill, Steve ; Thompson, Stephen. / Understanding grip shifts : how form factors impact hand movements on mobile phones. Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages. Association for Computing Machinery (ACM), 2017. pp. 4680-4691

Bibtex

@inproceedings{dd1df2c2eccf4da1aff739db3e209c4b,
title = "Understanding grip shifts: how form factors impact hand movements on mobile phones",
abstract = "In this paper we present an investigation into how hand usage is affected by different mobile phone form factors. Our initial (qualitative) study explored how users interact with various mobile phone types (touchscreen, physical keyboard and stylus). The analysis of the videos revealed that each type of mobile phone affords specific handgrips and that the user shifts these grips and consequently the tilt and rotation of the phone depending on the context of interaction. In order to further investigate the tilt and rotation effects we conducted a controlled quantitative study in which we varied the size of the phone and the type of grips (Symmetric bimanual, Asymmetric bimanual with finger, Asymmetric bimanual with thumb and Single handed) to better understand how they affect the tilt and rotation during a dual pointing task. The results showed that the size of the phone does have a consequence and that the distance needed to reach action items affects the phones' tilt and rotation. Additionally, we found that the amount of tilt, rotation and reach required corresponded with the participant's grip preference. We finish the paper by discussing the design lessons for mobile UI and proposing design guidelines and applications for these insights.",
keywords = "Handgrip, Mobile devices, Grasp, Design, Interaction, H.5.2 user interfaces, Input devices and strategies",
author = "Rachel Eardley and Anne Roudaut and Steve Gill and Stephen Thompson",
year = "2017",
month = "5",
day = "2",
doi = "10.1145/3025453.3025835",
language = "English",
pages = "4680--4691",
booktitle = "Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages",
publisher = "Association for Computing Machinery (ACM)",
address = "United States",

}

RIS - suitable for import to EndNote

TY - GEN

T1 - Understanding grip shifts

T2 - how form factors impact hand movements on mobile phones

AU - Eardley, Rachel

AU - Roudaut, Anne

AU - Gill, Steve

AU - Thompson, Stephen

PY - 2017/5/2

Y1 - 2017/5/2

N2 - In this paper we present an investigation into how hand usage is affected by different mobile phone form factors. Our initial (qualitative) study explored how users interact with various mobile phone types (touchscreen, physical keyboard and stylus). The analysis of the videos revealed that each type of mobile phone affords specific handgrips and that the user shifts these grips and consequently the tilt and rotation of the phone depending on the context of interaction. In order to further investigate the tilt and rotation effects we conducted a controlled quantitative study in which we varied the size of the phone and the type of grips (Symmetric bimanual, Asymmetric bimanual with finger, Asymmetric bimanual with thumb and Single handed) to better understand how they affect the tilt and rotation during a dual pointing task. The results showed that the size of the phone does have a consequence and that the distance needed to reach action items affects the phones' tilt and rotation. Additionally, we found that the amount of tilt, rotation and reach required corresponded with the participant's grip preference. We finish the paper by discussing the design lessons for mobile UI and proposing design guidelines and applications for these insights.

AB - In this paper we present an investigation into how hand usage is affected by different mobile phone form factors. Our initial (qualitative) study explored how users interact with various mobile phone types (touchscreen, physical keyboard and stylus). The analysis of the videos revealed that each type of mobile phone affords specific handgrips and that the user shifts these grips and consequently the tilt and rotation of the phone depending on the context of interaction. In order to further investigate the tilt and rotation effects we conducted a controlled quantitative study in which we varied the size of the phone and the type of grips (Symmetric bimanual, Asymmetric bimanual with finger, Asymmetric bimanual with thumb and Single handed) to better understand how they affect the tilt and rotation during a dual pointing task. The results showed that the size of the phone does have a consequence and that the distance needed to reach action items affects the phones' tilt and rotation. Additionally, we found that the amount of tilt, rotation and reach required corresponded with the participant's grip preference. We finish the paper by discussing the design lessons for mobile UI and proposing design guidelines and applications for these insights.

KW - Handgrip

KW - Mobile devices

KW - Grasp

KW - Design

KW - Interaction

KW - H.5.2 user interfaces

KW - Input devices and strategies

U2 - 10.1145/3025453.3025835

DO - 10.1145/3025453.3025835

M3 - Conference contribution

SP - 4680

EP - 4691

BT - Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems Pages

PB - Association for Computing Machinery (ACM)

ER -