Identifying Waste in Product Development Decision-Making Abstract ID: 94

Product development processes differ regarding their complexity and outcomes. Anyway, the core elements of every single product development process are the same, namely activities and decisions. Delayed or wrong decisionmaking exceedingly can increase the processing lead time as decisions usually are synchronization points where certain activities are completed and decisions are required to initialize subsequent work. The objective of our research was to enable existing approaches of value stream analysis for product development to identify waste in decision-making. By the mean of an extensive review of the literature, we identified different types of decisions on the one hand and several decision-making units (DMUs), such as steering committees or project workgroups, on the other hand. Our research led to ten attributes to characterize decisions occurring in product development and nine attributes to specify typical DMUs within product development projects. Conducting several value stream analyses in an industry case study revealed flaws in product development decision-making. Based on the derived attributes and the identified flaws we developed a method to assess the appropriateness of a DMU to take a particular decision. The presented approach enables to implement lean development processes by improving the staffing and scheduling of decision-making units.

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