What Conclusion Did Smith And Glass Reach Regarding The Effectiveness Of Receiving Psychotherapy?
What Conclusion Did Smith And Glass Reach Regarding The Effectiveness Of Receiving Psychotherapy? In the late 1970s, Mary Lee Smith and Gene Glass (Smith and Glass, 1977; Smith et al., 1980) conducted a comprehensive meta-analysis of controlled studies of psychotherapy and found that psychotherapy was indeed effective, with a standardised mean difference (SMD) between treated