“…We found 10 studies that examined gender differences on the Wisconsin Card Sorting Test with control (i.e., nonpsychiatric and disease free) participants. One of these studies reported significantly greater performance for female participants (Boone, Ghaffarian, Lesser, Hill-Gutierrez, & Berman, 1993, N = 91, 44–83 years), one significantly greater performance for a group of middle-class boys than middle-class girls (Pishkin & Willis, 1974, N = 120, 5–8 years; no gender differences were found for a group of lower class children), and eight found no gender differences (Chelune et al, 1986, N = 48, 6–12 years; Gorenstein, Mammato, & Sandy, 1989, N = 47, 8–12 years; Hannon, Day, Butler, Larson, & Casey, 1983, N = 92, college age; McBarnett et al, 1993, N = 79, 5–12 years; Raine, Sheard, Reynolds, & Lencz, 1992, adult; Rosselli & Ardila, 1993, N = 233, 5–12 years; Wilson, Kolb, Odland, & Wishaw, 1987, N = 109, adult; Yeudall, Fromm, Reddon, & Stefanyk, 1986, N = 225, 15–40 years). Similar to the older discrimination learning literature (cf.…”