“…45-60). Among the nondirective therapists, Royer (87), Snyder (Ql), Curran (17), Raimy (73), Hogan (34), Haigh (31), Stock (93), Hoffman (33), Kahn (41), and others have developed measures of various kinds. We shall choose several measures for special comment, because they illustrate the problems involved in such classifications.…”