AbstractDemonstrates that the Bem Sex‐Role Inventory (BSRI) masculinity (M), femininity (F), and Androgyny scores reflect a bipolar dimension rather than two independent dimensions and their unique derivative. The mean endorsement of the BSRI M and F items was calculated for 50 males and 50 females separately and as a combined group. The BSRI M and F items then were scored in a bipolar fashion. A total Bipolar Androgyny score was calculated for eachSby summing theS's Bipolar Androgyny scores on the M and F items. The data indicated that (1) Bem's M scores and the derived Bipolar Androgyny scores based on Bem's M items were highly correlated (≃ 0.90); (2) Bem's F scores and the Bipolar Androgyny scores based on Bem's F items were highly correlated (≃ 0.90); and (3) Bem's Androgyny scores and the total Bipolar Androgyny scores were highly correlated (≃ 0.90). These results indicate that the BSRI Androgyny score reflects a bipolar di