Human-Computer Interaction: Ergonomics and User Interfaces - Vol. 1

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

(SS) and Keyboard (KB) followed by Robustness (RB). Screen Size (SS) is quite proportional to Volume (VM) and Weight (WT). Therefore the most favorable parameters in components are: 5-inch in Screen Size (SS), Display Type (DT) with back-lighting, Robustness (RB) and adequate room for patient data relating to the PCMCIA card slots(PC). The male subjects preferred with Keyboard (KB) whereas females in their 20's did not, although almost all subjects said in their Face Information that they used word processors and personal computers. No distinctive feature could be found regarding the users of E-mail/Internet. Only one subject used a PDA and this did not affect the results. Those subjects who do not use cellular phones preferred light-weight samples and Robustness (RB) was not always considered as a requirement.


4. CONCLUSION

This paper proposes a way to develop a specific machine to meet exacting requirements in the initial stages of development when designers have little or no direct experience or reference products to draw upon in developing. This study focused on a nursing care professional application using of Portable Information Terminals. The combination of Marble Method and Correspondence Analysis was applied. Seven samples were comprised from ten major components and 972 parameter combinations. Two major components (Axes) which accounts 75.9% in Eigenvalue were found using a questionnaire survey. They are: 5-inch in screen size, the display type with back-lighting, with robustness and adequate room for patient data. Additionally, it was found that the male subjects preferred with a keyboard whereas females did not. Through this study, the required PIT features for the nursing care professional application were initially defined. A followup study must be performed to determine any specialized doctors and patients feature requirements.


5.REFERENCES

Hosono, N.( 1997)Usability Study on PIT Platform. Proceeding of the 13th Triennial IEA'97 Vol. 5, 98-100.

Hosono, N.( 1997)Usability Study on PIT Platform. Proceeding of the 5th WWDU'97 Tokyo19-20.

Inoue, H.( 1993)Item Selection and its Importance. 23rd Nikkagiren Symposium.

Knaster, B.( 1994) Presenting Magic Cap. Addison-Wesley.

Nielsen, J.( 1993) Usability Engineering. Academic Press, Inc.

Norman, D A.( 1988) The Psychology of Everyday things. AddisonWesley.

Schneiderman, R.( 1994) Wireless Personal Communications. IEEE Press.

SPSS. ( 1998) Statistical Package for Social Science for Windows 8.0J Categories. SPSS Japan.

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