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Effect of Job Rotation Types on Productivity, Accident Rate, and Satisfaction in the Automotive Assembly Line Workers


Human Factors and Ergonomics in Manufacturing & Service Industries

Published online on


This study investigates different autonomous job rotation types to analyze their impacts on productivity, accident rate, and worker's satisfaction. The subjects of research were 422 assembly‐line units in 3 production plants from an automobile company. The preferred rotation types and workers’ satisfaction scores in the 422 units were surveyed by the average worker's experience and work productivity, quality and accident rate scores were traced over a 5‐year period. Results showed that workers with little work experience preferred to work in shorter cycles composed of a small variety of tasks, whereas workers with more experience preferred longer cycles composed of a larger variety of tasks. In addition, autonomously chosen rotation systems proved to boost productivity and work satisfaction when compared to units that did not implement job rotation. In contrast, only 4 out of 10 rotation types showed improvements in decreased number of accidents. Of the 10 rotation types, ones with daily cycles with a small range of tasks and weekly cycles with a wide range of tasks displayed the most promising results for productivity, work satisfaction, and accident prevention. This study implies that the preferred types of rotation do not necessarily lead to higher productivity, safety, and satisfaction. The results of this study are expected to serve as a basic guideline for job design.