摘要：Social identity is an essential part of individual’s self-concept in the context of a particular group of his/her social environment.The social environment in this study referred to Indonesian as a nation.The authors adapted the Collective Self-Esteem Scale (CSE) from Luhtanen and Crocker to identify social identity; to detect to the extent that individual recognizes themselves as Indonesian as a nation.In this research, the scale is called as Social Identity Scale.A total of 298 participants of this study were Jakarta residents with a minimum education of High School or equivalent.For validation purpose, the analysis used Confirmatory Factor Analysis (CFA), using measurement model.The reliability testing used Cronbach's alpha and Omega coefficients.The results of this study indicate the Social Identity Scale in the context of Indonesian has four factors as CSE scale (Luhtanen & Crocker, 1992) and reliable.
