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Abstract

The size of a netbook plays an important role in its success. Somehow, the viewing area on screen and ability to type fast were traded off for portability. To further investigate, this study compared the performances of different-sized touchpads, touchscreens, and keyboards of four-sized netbooks for five application tasks. Consequently, the 7″ netbook was significantly slower than larger netbooks in all the tasks except the 8.9” netbook touchpad (successive selecting and clicking) or keyboard tasks. Differences were non-significant for the operating times among the 8.9″, 10.1”, and 11.6″ netbooks in all the tasks except between the 8.9” and 11.6″ netbooks in keyboards tasks. For error rates, device-type effects rather than size effects were significant. Gender effects were not significant for operating times in all the tasks but for error rates in touchscreen (multi-direction touching) and keyboard tasks. Considering size effects, the 10.1” netbooks seemed to optimally balance between portability and productivity.

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References

Accot

Zhai

(2001) Scale effects in steering law tasks. CHI '01: Proceedings of the 1001 annual conference on Human Factors in Computing Systems. New York: ACM Press. Pp. 1–8.

Drury

C. G.

Hoffmann

E. R.

(1992) A model for movement time on data-entry keyboards. Ergonomics, 35 (2), 129–147.

MacKenzie

I. S.

(1992) Fitts' law as a research and design tool in human-computer interaction. Human-Computer Interaction, 7, 91–139.

Jakobsen

Hornbæk

(2011) Sizing up visualizations: Effects of display size in focus+context, overview+detail, and zooming interfaces. CHI '11: Proceedings of the 2011 annual conference on Human Factors in Computing Systems, Vancouver, BC, Canada, May 7–12. New York: ACM Press. Pp. 1451–1460.

ISO 9241–9:2000 (E). (2002) Part 9: Requirements for non-keyboard input devices. In Ergonomie requirements for office work with visual display terminals (VDTs). Geneva, Switzerland: ISO.

Kirk

R. E.

(1996) Practical significance: A concept whose time has come. Educational and Psychological Measurement, 56, 746–759.

Oehl

Sutter

Ziefle

(2007) Considerations on efficient touch interfaces: How display size influences the performance in an applied pointing task. In Smith

M. J.

Salvendy

(Eds.), Human interface and the management of information. Part I, HCII 2007, LNCS 4557. Berlin, Heidelberg: Springer-Verlag. Pp. 136–143.

Sears

(1991) Improving touchscreen keyboards: Design issues and a comparison with other devices. Interacting with Computers, 3(3), 253–269.

Sena

A. D.

Moschini

(2006) A mouse evaluation framework for Fitts' test. Unpublished doctoral dissertation, Univer. di Verona, Verona, Italy.

10.

Sutter

Armbruster

Oehl

Müsseler

(2008) Office work place with laptop computers: User specific requirements for input devices and software design, in: Karwowski

Salvendy

(Eds.), Conference Proceedings of the 2nd International Conference on Applied Human Factors and Ergonomics. Las Vegas, NV: USA Publishing. [CD-Rom, 5 pages].

11.

Sutter

Müsseler

Bardos

(2011) Effects of sensorimotor transformation with graphical input devices. Behaviour & Information Technology, 30 (3), 415–424.

12.

Sutter

Oehl

(2010) Of age effects and the role of psychomotor abilities and practice when using interaction devices. In Marek

Karwowski

Rice

(Eds.), Advances in understanding human performance. London: Taylor & Francis. Pp. 757–766.

13.

Sutter

Ziefle

(2004) Psychomotor efficiency in users of notebook input devices: Confirmation and restrictions of Fitts' law as an evaluative tool for user-friendly design. In Proceedings of the Human Factors and Ergonomics Society 48th Annual Meeting. Santa Monica, CA: Human Factors and Ergonomics Society. Pp. 773–777.

14.

Tränkle

Deutschmann

(1991) Factors influencing speed and precision of cursor positioning using a mouse. Ergonomics, 34(2), 161–174.

15.

Wiklund

M. E.

Dumas

J. S.

Hoffman

L. R.

(1987) Optimizing a portable terminal keyboard for combined one-handed and two-handed use. Human Factors and Ergonomics Society Annual Meeting Proceedings, 31(5), 585–589.

16.

Lai

Liu

Huang

(2008) Relationship between the notebook input devices and working tasks. In Karwowski

Salvendy

(Eds.), Conference Proceedings of the 2nd International Conference on Applied Human Factors and Ergonomics. Las Vegas: USA Publishing. [CD-Rom, 10 pages].

17.

Yoshitake

(1995) Relationship between key space and user performance on reduced keyboards. Applied Human Science: Journal of Physiological Anthropology, 14(6), 287–292.

18.

Yost

Haciahmetoglu

North

(2007) Beyond visual acuity: The perceptual scalability of information visualizations for large displays. In CHI '07: Proceedings of the 2001 annual conference on Human Factors in Computing Systems, San Jose, California. New York: ACM Press. Pp. 101–110.

Size Effects on the Touchpad,Touchscreen,and Keyboard Tasks of Netbooks

Abstract

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