Ambiguous perceptions of job roles by service providers may lead to poor service quality. This study sought to examine the relationship between role ambiguity and service impact among disability support workers, and further, to compare the mediating effects of job-based and collective psychological ownership in the role ambiguity–service impact link. Data were derived from a longitudinal survey conducted in 56 cities in mainland China in 2019. 1153 social workers working in disability and rehabilitation services sectors completed the questionn...
