“…In terms of this last variable, it seems obvious that in practice, a balance between men and women is desirable. A mixed-gender group is recommended even if a priori a single-gender group could address a particular problem or meet a specific therapeutic objective such as, for example, the treatment of eating disorders in adolescent girls (Vust et al, 2004), a workshop on the woes of puberty for hospitalized adolescent girls (Golden and Dominiak, 1986), or an exploration of the maternal role in a group for mothers (Glatzer, 1947). Single-sex groups were also chosen by six female colleagues who aimed to conduct a didactic analysis of femininity and related psychoanalytic concepts, particularly castration anxiety and penis envy (Ruiz Ruiz et al, 1990).…”