“…The items fall under four factors – Negative Assertion, Positive Assertion, Initiating Assertiveness, and Expression of and Dealing with Personal Limitations. There are multiple translations of the original SIB, including French ( Bouvard et al, 1999 ), English ( Bridges et al, 1991 ; Gilbert and Allan, 1994 ), Spanish ( Arrindell et al, 1997 ), Turkish ( Eskin, 1993a , 1996 , 2003 ), Swedish ( Eskin, 1993b , 1996 , 2003 ), Persian ( Parsa et al, 2015 ), and Taiwanese ( Bridges and Arrindell, 2002 ). The SIB has good internal consistency, obtained from eight independent samples (0.75–0.97).…”