ergonomic behaviors analysis in an iranian petrochemical company using the electre method

objectives: this study aimed to evaluate and analyze the ergonomic behaviors order to select the best work shift group in an iranian petrochemical company, in 2010. methods: the methodology was based on the ergonomic behavior sampling (ebs), and performed using electre method. in this study 1147 behaviors were observed. results: the results indicated that 43.6% of workers’ behaviors were unergonomic. the most frequent unergonomic behavior was amusing of legs while load lifting with 83.01% of total unergonomic behaviors observations. using electre method, most effective shift group and least attractive alternatives for intervention were selected in the company. discussion: findings declare high number of unergonomic behaviors. catastrophic consequences of accidents in petrochemical industry necessitate paying more attention to workers’ ergonomic behaviors in the workplace.