We present a possible method and tool to support the novice designers in the design tasks. Although in literature stated that practitioners depend on memory and experiences, novice designers would take time to learn to acquire sufficient experience. The purpose of this research is to help novice designers to fulfill the usability goals that have determined by the expert in designing a system. The proposed methodology and tool can be considered as an assistance tool for novice designer in decision making in regards to prototype selection as well as the task-pattern mapping template for pattern selection in fulfilling the usability goal targeted. The tool was designed to manage the decisions information and to recommend the chosen prototype based on the Analytical Hierarchical Process (AHP) technique. In overall, about 87% of expert evaluators and prospective users were agreed with the suggestion of prototype selection from the proposed tool. The findings from this study revealed that the cooperation from industry experts was valuable in determined the usability goal and direction and getting accumulative feedbacks both from users and experts.
IntroductionExperienced designers rely on the available design guidelines, past design experiences, templates and problem-solution sets from previous experiences. This concurs to the study claimed that practitioners were depended on their intuition and experiences gained [1]. Thus, novice designers would find difficulties in designing intuitively if experience and knowledge are not sufficiently gained. Subsequently, further research works have been explored on how knowledge and experience were used among experienced and novice designers such as in [2,3] and [4]. Reference [4] suggested that design strategies, knowledge, and information should be included in developing support methods for novice designers as a guide to them.Previous works in [5,6] explored the use of guidelines and patterns as an aid to teach design. The result from [5] has shown the use of design patterns displayed a greater impact on the novice designer's performance than guidelines. We considered all design related knowledge and information such as design decision and design pattern in the proposed method that leading to the development of the tool.This research aims to understand how the proposed assistance tool and method drive the novice designers in designing a usable system, and thereby contribute towards developing a reliable tool and method for them in making design decision, particularly in determining usability goals and patterns, and selecting the best prototype. This paper was extended from [7] which included 2 experiments conducted following the proposed approach. The proposed tool was adopting the application of AHP technique in prioritizing the common usability goals and prototypes. AHP, a multi-criteria technique, has been applied in various disciplines. Recently, in engineering itself, the AHP technique was applied for the purpose of economic efficiency [8] and planning [9]. Relevant to the study, it is also applied in product design such as in [10]. A
We present a possible method and tool to support the novice designers in the design tasks. Although in literature stated that practitioners depend on memory and experiences, novice designers would take time to learn to acquire sufficient experience. The purpose of this research is to help novice designers to fulfill the usability goals that have determined by the expert in designing a system. The proposed methodology and tool can be considered as an assistance tool for novice designer in decision making in regards to prototype selection as well as the task-pattern mapping template for pattern selection in fulfilling the usability goal targeted. The tool was designed to manage the decisions information and to recommend the chosen prototype based on the Analytical Hierarchical Process (AHP) technique. In overall, about 87% of expert evaluators and prospective users were agreed with the suggestion of prototype selection from the proposed tool. The findings from this study revealed that the cooperation from industry experts was valuable in determined the usability goal and direction and getting accumulative feedbacks both from users and experts.
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