The study presented in this article concerns the functioning of representational mechanisms in social thought. More specifically, its objective is to identify the role of variables covering psychosocial involvement and systems of belief within social representations. At the interface between the individual and the group, these variables are considered here because of their status as explanatory variables of social thought. By analyzing the representation of human rights, we hypothesize that the level of involvement and the type of beliefs developed toward the state (concepts of a democratic state versus a safe state) impact on the expression of this representation and the standpoints it creates. The survey was conducted by questionnaire with a student population (315 participants). The main results, which are consistent with our hypotheses, provide evidence of an influence of the variables tested on the expressiveness of the representation of human rights. On the one hand, they reveal how an involvement developed in this subject and the social beliefs attached to the role of the state come to particularize the meaning of this representation, especially concerning its principles of equality. On the other hand, the results demonstrate the activity of ideological processes – political in content – which intervene in the realization of the representation. Through these processes, the results show a stronger influence of social beliefs than of psychosocial involvement on the representation studied. ]