||Recently, much interest has been shown in the ability of social support to 'moderate' or 'buffer' the impact of job-related stress on physical and mental health. (For more comprehensive discussions see: Pinneau, 1975; Caplan et al., 1976; Beehr, 1976; House and Wells, 1978; LaRocco and Jones, 1978; LaRocco et al., 1980.) Previous researchers (LaRocco et al., 1980) have indicated the need to consider different types of social support in testing for the 'buffering' effects on stress/strain relationships. French et al. (1974) has made the distinction between supervisory and coworker support.