“…However, randomization is feasible, and has been successfully carried out in a number of studies (e.g., Chowdhury et al ., 1973; Gardner, Hanka, O'Brien, Page, & Rees, 1977; Gibbons, Butler, Urwin, & Gibbons, 1978; Hawton, Bancroft, Catalan, Kingston, Stedeford, & Welch, 1981; Liberman & Eckman, 1981; Termansen & Bywater, 1975; Welu, 1977). Indeed, it is felt within the research community that the increased difficulty and cost of the RCT are outweighed by the confidence that clinicians can put in their findings, in comparison to results from other types of trials.…”