“…Nevertheless, the Control scale and selfratings of depression showed no consistent cyclical variation. A large number of subsequent investigations have found significant cyclical variations on at least some of the appropriate scales of the concurrent MDQ (Asso, 1986;Goudsmit, 1988;Haskett, Steiner, Osmun, & Carroll, 1980;Kirstein, Rosenberg, & Smith, 1980-81;Marriott & Faragher, 1986;Rogers & Harding, 1981;Rouse, 1978;Sampson, 1979Sampson, , 1981Sampson & Jenner, 1977;Silbergeld, Brast, & Noble, 1971;Voda, 1980) or on a variety of other concurrent instruments (Backstrom, Sanders, Leask, Davidson, Warner, & Bancroft, 1983;Campos & Thurow, 1978;Endicott et al, 1986;Golub, 1976;Goudsmit, 1988;Haskett & Abplanalp, 1983;Kirstein et al, 1980-81;O'Brien, Craven, Selby, & Symonds, 1979;Rossi & Rossi, 1977;Rubinow, Roy-Byrne, Hoban, Gold, & Post, 1984;Silbergeld et al, 1971;cf. Banks & Beresford, 1979;Webster, 1980;Zimmerman & Parlee, 1973), even when the purpose of the study was concealed (Englander-Golden et al, 1978;Paige, 1971;Rogers & Harding, 1981;Slade, 1984;Wilcoxon, Schrader, & Sherif, 1976).…”