| Summary: | The aims of this study were to (a) examine the relationships between personal resources (psychological capital), job resources (social support, job characteristics), and job performance; and (b) investigate the effectiveness of work engagement as a mediator in the above relationships. Conservation of resources (COR) theory (Hobfoll, 1989) and Blau’s (1964) social exchange theory (SET) were utilized in developing the research framework. Job performance was operationalized as comprising of two broad dimensions: task performance and contextual performance. Particularly, task performance consists of four dimensions: informational supportive behaviour, coordination of care behaviour, interpersonal supportive behaviour, and technical care behaviour. Meanwhile, contextual performance was considered in two dimensions, which are volunteerism behaviour and task supportive behaviour.
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