“…56,50,54 A large number of psychological variables have been identified as potential CBT process variables, including pain beliefs and perceived control over pain, 19,20,50 social support, 42,43 coping, 19,20 self-efficacy, 50 helplessness, [4][5][6] affective distress, and catastrophizing. 4,6,45,46,50,52 CBT-based treatments have typically taken a broad focus on processes for change and incorporated diverse packages of methods. So far evidence from studies of these treatments has not revealed which processes and methods are most effective or necessary in determining M A N U S C R I P T…”