Recent concerns regarding the validity of its scales have arisen as changes in society have also brought about changes in the roles of men and women. The CT-GRI/BSRI is a widely used index and instrument for measuring gender roles and gender role perceptions. The CT-GRI© is the property of IDR Labs International. The CT-GRI© is not the equivalent of, or to be confused with, the BSRI (Bem Sex-Role Inventory).