Creating product ecosystems has been one of the strategic ways to enhance user
experience and business advantages. Among many, customer needs analysis for product …

The importance–performance analysis (IPA) is a widely used technique to guide strategic
planning for the improvement of customer satisfaction. Compared with surveys, numerous …

Ergonomics is extensively studied to provide a scientific understanding of humans' physical
and cognitive use of products and workplaces. Ergonomics of the external ear is crucial for …

Designing earplugs adapted for the widest number of earcanals requires acoustical test
fixtures (ATFs) geometrically representative of the population. Most existing ATFs are …

Anthropometry and human perception lie at the core of the ergonomic design process. Until
now, relevant studies have been quite restricted, being unable to provide a holistic view of …

The authors of this work present a model that reduces product rating biases that are a result
of varying degrees of customers' optimism/pessimism. Recently, large-scale customer …

The objective of this work is to introduce a new method for determining preliminary design
specifications related to human-artifact interaction. This new method uses data mining of …

Objective: To identify the critical behaviors that may hinder the correct use of foldable
rollover protective structures (FROPS) on tractors and to explore the influence of user factors …

The foldable roll-over protective structure (FROPS) protects the operators against fatal
injuries in tractor roll-over accidents. However, a rear-mounted FROPS is often folded down …

Human variability related to physical, cognitive, socio-demographic, and other factors can
contribute to large differences in human performance. Quantifying population heterogeneity …