The idea that all coaches should undertake regular supervision doesn’t have much evidence to support it, say Paul Lawrence and Ann Whyte, in the final part of our special report on coaching supervision Part 3: How do coaches and clients in Australia and New Zealand address areas for which supervision could have been a useful intervention? If coaching providers are so sure supervision is an essential activity, as Humphrey and Sheppard (2012) and others suggest, why don’t all coaches undertake it? Grant (2012) identified cost and the absence of suitably qualified supervisors as key barriers,...