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Item CAT motor: An innovative system to detect the behavior of human computer interaction for people with upper limb impairment(Springer Berlin Heidelberg, 2007-01-01) Cko, C. C.; Chen, M. C.; Wu, T. F.; Chen, S. Y.; Yeh, C. C.This paper described a system which could measure cursor movement and control site motion simultaneously. In addition to evaluate a client’s pointing and selecting proficiency, CAT Motor system, developed on the basis of the previous CAT system, was also used to detect the motion of his control site. This feature could provide clinical professionals more detailed information when comparing the difference of performance among devices. The CAT Motor system consisted of four basic types of mouse operating skills, including clicking, cursor moving, cursor moving and clicking, and dragging. The CAT Motor recorded the location and the response of the pointing device and captured the picture of the control site synchronally. Then, the system visualized the results of cursor moving and control site motion on the screen. The CAT Motor system not only provided the professionals with an objective mean of evaluating specific difficulties of mouse operating difficulties, but also allowed them to evaluate the effort of the motor control training. Besides, this paper had some suggestions for the research in the future.Item Keyboard adaptations for children with cerebral palsy.(Springer Berlin Heidelberg, 2006-01-01) Wu, T. F.; Chen, M. C.The purpose of this study is to systematically investigate the effects of keyboard adaptations for children with cerebral palsy. Twelve children aged from 7 to 15 years old participated in this study. Keyboard adaptation strategies were developed based on the individualized assessments. A group comparison experimental design was selected to examine the effectiveness of keyboard adaptations. Speed and accuracy of typing Chinese were compared before and after keyboard adaptations. The results indicated that children with cerebral palsy did increase their typing performance after implementing keyboard adaptation strategies. The results of this study can provide health and educational profession a reference when serving children with physical disabilities.Item Characteristics and solutions of digital divide for People with physical impairments in Taiwan(Springer Berlin Heidelberg, 2008-01-01) Yeh, Y. M.; Wu, T. F.; Meng, L. F.; Chen, M. C.; Wang, H. P; Wu, J. G.; Chu, C. N.; Lin, Y. L.; Yeh, C. C.The purpose of this study is to narrow down the digital gap between people with and those without physical impairments in Taiwan. To better understand the need of the digital learning for people with physical impairments, the authors have created the digital characteristic assessment scale, digital need assessment scale, and developed the mouse training system and on-screen keyboard assessment system. In order to comprehend the performance and practicability of the scales and systems, this integrated project have also applied these tools to evaluate and train the clients with muscular dystrophy and cerebral palsy.Item An alternative Chinese keyboard layout design for single-digit typists.(Springer Berlin Heidelberg, 2006-01-01) Chen, M. C.; Wu, T. F.This study designed an alternative Chinese keyboard layout for single-digit typists and evaluated the efficacy of this innovative layout design. The new eight row by five column keyboard layout was designed based on the principles of alternative keyboard design. Eight college students with proficient keyboarding were involved in this study. The repeated measurement experimental design was used to compare the speed and accuracy of keystroke among the four different keyboard patterns: QWERTY, Alternative, Revised-QWERTY, and Random-Alternative. The experimental results indicated that the subjects’ typing speed is fastest when utilizing the QWERTY layout (63.86 symbols/minute), followed by the Alternative (56.02 symbols/minute), Revised QWERTY (53.39 symbols/minute) and the Random-Alternative keyboard (49.94 symbols/minute). There is no significant difference among QWERTY, Alternative, Revised-QWERTY, and Random-Alternative layouts on the subjects’ typing accuracy. The possible causes of the unpredicted results and suggestions for further studies were discussed.Item Performance of different pointing devices on children with cerebral palsy(Springer Berlin Heidelberg, 2007-01-01) Wu, T. F.; Chen, M. C.With the popularization of graphical user interfaces (GUIs), pointing devices have become standard equipment of most computer systems. However, for people with motor impairments, accurate cursor control is often difficult or impossible to achieve. The focus of this study is to empirically compare effectiveness of three different pointing devices on children with cerebral palsy in order to select the most efficient device for each individual. Computerized Assessment Tool was developed to assess clients’ cursor control performance and to provide proper recommendations of pointing devices based on the results of assessments. Performance of pointing, clicking, and dragging of using different devices was measured. The results of this study indicated that Joystick seems to be the most effective device for children with cerebral palsy to perform cursor control tasks. However, factors such as each participant’s experience and preference may be related. The instrument use in this study, CAT, seems to be a convenient tool for rehabilitation therapists to assess clients’ cursor control performance. Replication of this study using a larger sample size, or recruiting clients with different diagnosis and various ages should be developed.Item Designing a scanning on-screen keyboard for people with severe motor disabilities(Springer Berlin Heidelberg, 2008-01-01) Lin, Y. L.; Wu, T. F.; Chen, M. C.; Yeh, Y. M.; Wang, H. P.This study aims to explore the effectiveness of a scanning on-screen keyboard for persons with severe motor disabilities. In order to enhance the typing performance, the on-screen keyboard employs the group-row-column scanning and a frequency-of-use layout. Besides the international alphabetical layout, the on-screen keyboard also provides two Chinese selection layouts for Chinese users. The usability evaluation was carried out with simulations and experiments. The usability evaluation was conducted to compare the performance with that of the QWERTY layout of block scanning built in Microsoft Windows XP. The results demonstrated that the performance of using the scanning on-screen keyboard was better than that of using the Windows XP. No significant difference between the error rates of the two different keyboards was found.Item Embedding Expert System into a Computerized Assessment Tool for Mouse Proficiency(Springer Berlin Heidelberg, 2007-01-01) Yeh, C. C.; Chen, M. C.; Chu, C. N.; Cko, C. C.; Wu, T. F.This paper described an assessment system which embedded expert system based on theidea of neural network. Authors developed a computerized assessment tool for mouse operating proficiency and applied into clinical service. The result indicated that the objective tool had great contribution for selecting suitable pointing device for the client. However, clinical also found that comparing the effectiveness between different device and operation environment by some parameters was labor consuming. Expert system may be an available solution for clinical professional to select suitable pointing and selecting device more efficiently. Therefore, this study aimed to develop an embedding expert system into a computerized assessment tool for mouse operating proficiency.Item The directional effects on cursor dragging kinematics(IJCSNS, 2007-03-01) Meng, L. F.; Chen, M. C.; Chu, C. N.; Wu, T. F.; Lu, C. P.; Yeh, C. C.; Yang, C. Y.; Lo, C. Y.There has no study to substantiate the kinematical characteristics of cursor dragging movement. In this present study, we developed a computerized measuring program and used the experimental research method to explore the effect of moving direction on kinematics of cursor dragging in 24 normal participants. The results of multiple one way repeated measures ANOVAs and post hoc LSD tests demonstrated that dragging direction had effects on movement time and movement unit. Dragging leftward showed better efficiency than dragging upward and downward. These directional effects partially clarify how the dragging performances were influenced by the moving direction. Moreover, it can guide us to re-arrange the toolbars and icons under window interface, especially for individuals with physical disability whose performances can be easily interrupted while controlling cursor in specific directions.Item Computer-based Evaluation in Chinese Handwriting for Children with dysgraphia.(2010/09/23-26) Chen, G. S.; Wu, T. F.; Yao, W. C.
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