Investigating Data Entry Task Performance on a Laptop Under the Impact of Vibration: The Effect of Color

• Autorzy: Mallick Z.
• Języki publikacji: EN

Abstrakty

EN

The last 20 years have seen a tremendous growth in mobile computing and wireless communications and services. An experimental study was conducted to explore the effect of text/background color on a laptop computing system along with variable environmental vibration on operators’ data entry task performance in moving automobiles. The operators’ performance was measured in terms of the number of characters entered per minute without spaces (NCEPMWS) on a laptop computing system. The subjects were divided into 3 categories, namely, Novices, Intermediates and Experts. Findings suggest a re-evaluation of existing laptop designs taking ergonomics into consideration. It appears that proper selection of text/background color on the laptop coupled with controlled vehicular speed could result in a better quality of interaction between human and laptops and it could also resolve the problem of poor data entry task performance.

Słowa kluczowe

EN

driving environment; vibration; text/background color; novice; intermediate; expert

• Wydawca: Taylor & Francis
• Czasopismo: International Journal of Occupational Safety and Ergonomics
• Rocznik: 2007
• Tom: Vol. 13, No. 3
• Strony: 291--303
• Opis fizyczny: Bibliogr. 29 poz., rys., tab., wykr.

Twórcy

autor

Mallick Z.

• School of Mechanical Engineering, Universiti Sains Malaysia, Penang, Malaysia

Bibliografia

• 1.Ellis K. Moving into m-learning. Training. 2003;40(10):12–5.
• 2.Granjean E. Ergonomics of VDUs: review of the present knowledge. In: Grandjean E, Vigliani E, editors. Ergonomics aspects of VDTs. London, UK: Taylor & Francis; 1980. p. 1–12.
• 3.Rehn B, Lundström R, Nilsson L, Liljelind I, Jarvholm B. Variation in exposure to wholebody vibration for operators of forwarder vehicle: aspects on measurement strategies and prevention. Int J Ind Ergon. 2005;35:831–42.
• 4.Jameson A. Usability issues and methods for mobile multimodal systems. In: Proceedings of the ISCA tutorial and research workshop on multi-modal dialogue in mobile environments, 2002. Retrieved June 12, 2007, from: http://dfki.de/~jameson/pdf/ids02.jameson.pdf.
• 5.Griffin MJ, Lewis CH. A review of the effects of vibration on acuity and continuous manual control, part 1: visual acuity. J Sound Vib. 1978;56:383–13.
• 6.Lewis CH, Griffin MJ. The effects of vibration on manual control performance. Ergonomics. 1976;19:203–16.
• 7.Lewis CH, Griffin MJ. Predicting the effects of vibration frequency, and axis and seating conditions on the reading of numeric displays. Ergonomics. 1980;25(3):485–501.
• 8.Huddleston JHF. Tracking performance on a visual display apparently vibrating at one to ten Hertz. J Appl Psychol. 1970;54:401–08.
• 9.Milby TH, Spear RC. Relationship between whole-body vibration and morbidity patterns among heavy equipment operators (NIOSH Publication No. 74-131). Cincinnati, OH, USA: National Institute for Occupational Safety and Health (NIOSH); 1974.
• 10.Buxton W, Billinghurst M, Guiard Y, Sellen A, Zhai S. Human input to computer systems: theories, techniques and technology [book]; 1994/2002. Retrieved June 6, 2007, from: http://www.billbuxton.com/inputManuscript .html.
• 11.MacKenzie IS, Soukoreff RW. Text entry for mobile computing: models and methods, theory and practice. Human–Computer Interaction. 2002;17 (1):147–98.
• 12.Zhai S, Smith BA, Hunter M. Performance optimization of virtual keyboards. Human–Computer Interaction. 2002;17(2, 3):89–129.
• 13.Zhai S, Sue A, Accot J. Movement model, hits distribution and learning in virtual keyboarding. In: Proceedings of the CHI’2002: ACM Conference on Human Factors in Computing Systems. CHI Letters. 2002;4(1):17–24. Retrieved June 12, 2007, from: http://www.almaden.ibm.com/cs/people/zhai/papers/ZhaiSueAccot2002.pdf.
• 14.Rempel D, Honan M, Serina E, Tal R. Wrist postures while typing on a standard and split keyboard. In: Bittner AC, Champney P, editors. Advances in industrial ergonomics and safety, Vll. London, UK: Taylor & Francis; 1995. p. 619–22.
• 15.Sauter S, Schleifer LM, Knutson SJ. Work posture, work station design, and musculoskeletal discomfort in VDT data entry task. Hum Factors. 1991;33:151–67.
• 16.Czaja SJ, Sharita J. Ability performance relationship as a function of age and task experience for a data entry task. Miami, FL, USA: Miami Center on Human Factors and Aging Research; 2000.
• 17.Ling J, Schaik PV. The effect of text and background color on visual search of web pages. Displays. 2002;23:223–30.
• 18.Wang AH, Chen CH. Effects of screen type, Chinese typography text/background color combination, speed, and jump length for VDT leading display on users’ reading performance. Int J Ind Ergon. 2003;31:249–61.
• 19.Shieh KK, Lin CC. Effects of screen type, ambient illumination, and color combination on VDT visual performance and subjective preference. Int J Ind Ergon. 2000;26:527–36.
• 20.Wang AH, Chen CH, Chen MT. Effects of leading display design of dynamic information and visual fatigue. Journal of the Chinese Institute of Industrial Engineering. 2002;19:69–78. In Chinese.
• 21.MacKenzie IS, Zhang SX., Soukoreff RW. Text entry using soft keyboards. Behav Inf Technol. 1999;18:235–44.
• 22.Zhai S, Hunter M, Smith BA. The Metropolis keyboard: an exploration of quantitative technique for virtual keyboard design. In: Proceedings of the 13th annual ACM symposium on User interface software and technology (UIST 2000). New York: ACM 2000. p. 119–28. Retrieved June 6, 2007, from: http://www.almaden.ibm.com/u/zhai/papers/Softkeyboard/UISTCamera.pdf.
• 23.Seva R. Fatigue effects in computer tasks. In: Lim KY, Herman L, Chui YP, Quek RSM, Kong GSL, Tey FLK, editors. Proceeding of the 4th Asia Pacific Conference on Computer Human Interaction (APCHI 2000) and 6th S.E. Asian Ergonomics Society Conference (ASEAN Ergonomics 2000). Singapore: Elsevier; 2000. p. 159–64.
• 24.International Organization for Standardization (ISO). Mechanical vibration and shock— evaluation of human exposure to whole-body vibration—part 5: method for evaluation of vibration containing multiple shocks (Standard No. ISO 2631-5:2004). Geneva, Switzerland: ISO; 2004.
• 25.International Organization for Standardization (ISO). Mechanical vibration and shock—evaluation of human exposure to whole-body vibration—part 1: general requirements (Standard No. ISO 2631-1:1997). Geneva: Switzerland: ISO; 1997.
• 26.Winer BJ, editor. Statistical principles in experimental design. 2nd ed. New York, NY, USA: McGraw-Hill; 1962.
• 27.Ishitake T, Ando H, Miyazaki Y, Matoba F. Changes of visual performance induced by exposure to whole-body vibration. Kurume Med J. 1998;45(1):59–62.
• 28.Griefahn B, Bröde P, Jaschinski W. Contrast thresholds and fixation disparity during 5-Hz sinusoidal single- and dualaxis (vertical and lateral) whole-body vibration. Ergonomics. 2000;43(3):317–32.
• 29.Nawayseh N, Griffin MJ. Tri-axial forces at the seat and backrest during whole body fore-and-aft vibration. J Sound Vib. 2005; 281:921–42.