... The collection and reporting of scientific data has been used to address the concerns of males regarding their normality (Jamison & Gebhard, 1988 ), particularly in response to increased reported dissatisfaction with phallus dimensions and request for surgical enhancement (da Ros et al., 1994); to investigate the relation between condom failure and penile dimensions (Han, Park, Lee, & Choi, 1999; Richters, This article was received, reviewed, and accepted for publication under the editorship of Richard Green. 1 Family and Child Psychology Research Centre, City University, London, England. 2 To whom correspondence should be addressed at Department of Primary Care and Population Sciences, University College and Royal Free School of Medicine, Rowland Hill Street, London NW3 2PF, England; e-mail: r.harding@pcps.ucl.ac.uk. Gerofi, & Donovan, 1995; Tovey & Bonell, 1991 ); to evaluate the effectiveness of permanent elongation of the penis (Shealy, Cady, & Cox, 1995 ); to study the effects of aging on longitudinal deformation (Bondil, Costa, Daures, Louis, & Navratil, 1992); and to estimate sexual arousal among offenders in a sexual behavior clinic (Furr, 1991). The penis has been measured using a variety of methods and a wide range of dimensions has been reported. ...