Moderator Roles of Personality Traits in the Relationships Between Psychological Needs and Safety Motivation

To investigate the effects of personality traits on how the workers are motivated by psychological needs and find directions for personalization in on-site safety management, this study carried out the moderating analysis among personality traits, psychological needs and safety motivation. The results show that openness to experience can moderate the relationships between social identity and amotivation/intrinsic motivation, work autonomy and amotivation; neuroticism can change the associations of social identity and amotivation/intrinsic motivation. Personality traits can be a sign of how to use the relationships between psychological needs and different kinds of safety motivation people respond to. The findings of this study contribute to a better understanding of how personality traits explain the variations in the associations between psychological needs and safety motivation, as well as how these variations can be utilized in customizing safety interventions to enhance on-site safety management.