Research Article

Designing a Human Machine Interface for Quality Assurance in Car Manufacturing: An Attempt to Address the “Functionality versus User Experience Contradiction” in Professional Production Environments

Table 7

Device score model: results overview (the lower the better).

DEVICE SCORE MODELSmartphoneData glassesCurrent PDA

Overall grade1,73,92,8

CriterionWeight.GradeGradeGrade

Ergonomics13%1,73,62,3
Software-Design13%1,31,34,4
Performance40%1,75,52,2
Technology acceptance15%1,73,22,8
User Experience20%1,83,13,5