When it comes to idea generation process, the first thing comes to the mind is sketching which is used by designers to investigate ideas and visualize them. Conceptual design is considered the most important stage within design as idea generation process takes place. Designing of products typically proceeds through a number of stages to be manufactured. Tis research identified a gap in ideation tools for designers to collaborate with their clients during the ideation phase to catalyse possibilities to complex design problems as the contribution to new knowledge.Design is a creative activity that aims to present a new product or a new concept for an existing products. Tis research suggests that participants' cultural perceptions of design ideation and the design process actively inhibit idea generation and that a shift from design outcome led ideation tool design to designing ideation tools that engage design contexts are necessary to effectively address complex design problems.
Based on a survey of over 70 ideation tools, protocol analysis of design activities, a web survey and semistructured interviews, I conclude that designers and clients may not have sufcient knowledge of ideation or ideation tools in either testing or practice as a catalyst for generating possibilities and that measuring ideation tools based on how many ideas they generate is misleading because it relates creativity and idea generation but does not adequately refect the participants' experience. Based on Karni and Arciszewski, who stated that ideation tools should act more like an observer or suggester rather than controller or an expert, I defne design ideation tools as tools or methods that enhance, increase and improve the user's ability to generate ideas with the client (Karni and Arciszewski 1997 Reineg and Briggs 2007). Ideation for this research is defined as a process of generating, developing and communicating ideas that are critical to the design process (Broadbent, in Fowles 1979, pp. Complex design problems change over time and the interactions among the components of the problem and the interaction between the problem and its environment are of such that the system as a whole cannot be fully understood simply by analyzing its components (Cilliers 1998, pp. Keywords: collaboration, complexity, creativity, ideation, ideation tools, and practice-led research The focus of this research are ideation tools and their ability to catalyse ideas to address complex design problems. These findings point to specific strengths in different ideation techniques, and the value of exposing beginning designers to multiple techniques for idea generation. Design heuristics show advantages in the initial idea generation phase for beginning engineering students. These results demonstrate that the use of design heuristics does not limit the creativity of ideation outcomes, and helps students to develop more elaborate and practical ideas. Controlling for number of concepts generated, there were no significant differences in diversity of solution sets across groups. The elaboration of the concepts was significantly higher with design heuristics and morphological analysis techniques, and the practicality was significantly higher using design heuristics. All three techniques produced creative concepts averaging near the scale midpoint. The simplest technique, individual brainstorming, led to the most concepts within the short (25 minute) ideation session. Using the consensual assessment technique, all concepts were rated for creativity, elaboration, and practicality, and all participants' concept sets were rated for quantity and diversity. Working individually on an open-ended engineering design problem, 102 first year engineering students learned and applied one of three different ideation techniques-design heuristics, morphological analysis, or individual brainstorming (using brainstorming rules to generate ideas working alone)-to a given design problem. This study investigated the qualities of concepts generated by beginning engineering designers using one of three different idea generation techniques.
However, differences in the ways these techniques guide idea generation are not well understood.
Concept generation techniques can help to support designers in generating multiple ideas during design tasks.
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