However he did not provide further elaboration and justification for the assertion. Unfolding is a mechanism for refinement, elaboration, or decomposition. Consensus clustering is an important elaboration of traditional cluster analysis. Elaboration likelihood model is a general theory of attitude change. See the language variation section for further elaboration. Their theory is called the elaboration likelihood model of persuasion. A cognition is any thought that surfaces during the elaboration of the information. See that article for further elaboration. The key domain analysis for the elaboration is the system architecture. They state that this is simply an elaboration of Bourdieu's theory. It became the standard form of vault which leant itself to further development and elaboration. Rogers' elaboration of his own theory is extensive. Peripheral route processing involves a low level of elaboration. Everything later was merely the outer classification, scientific elaboration, and the integration into life. Philosophers and other theoreticians participated in the elaboration of Nazi ideology.