A sociological theory is a that intends to consider, analyze, and/or explain objects of social reality from a sociological perspective, drawing connections between individual concepts in order to organize and substantiate sociological knowledge. Hence, such knowledge is composed of complex theoretical frameworks and methodology. These theories range in scope, from concise, yet thorough, descriptions of a single social process to broad, inconclusive paradigms for analysis and interpretation. Some sociological theories explain aspects of the social world and enable prediction about future events, while others function as broad perspectives which guide further sociological analyses. Prominent sociological theorists include Talcott Parsons, Robert K. Merton, Randall Collins, James Samuel Coleman, Peter Blau, Niklas Luhmann, Marshal McLuhan, Immanuel Wallerstein, George Homans, Harrison White, Theda Skocpol, Gerhard Lenski, Pierre van den Berghe and Jonathan H. Turner. Sociological theory vs. social theory Kenneth Allan (2006) distinguishes sociological theory from social theory, in that the former consists of abstract and testable propositions about society, heavily relying on the scientific method which aims for objectivity and to avoid passing value judgments. In contrast, social theory, according to Allan, focuses less on explanation and more on commentary and critique of modern society. As such, social theory is generally closer to continental philosophy insofar as it is less concerned with objectivity and derivation of testable propositions, thus more likely to propose normative judgments. Sociologist Robert K. Merton (1949) argued that sociological theory deals with social mechanisms, which are essential in exemplifying the 'middle ground' between social law and description. Merton believed these social mechanisms to be "social processes having designated consequences for designated parts of the social structure." Prominent social theorists include: Jürgen Habermas, Anthony Giddens, Michel Foucault, Dorothy Smith, Roberto Unger, Alfred Schütz, Jeffrey Alexander, and Jacques Derrida. There are also prominent scholars who could be seen as being in-between social and sociological theories, such as: Harold Garfinkel, Herbert Blumer, Claude Lévi-Strauss, Pierre Bourdieu, and Erving Goffman. Classical theoretical traditions The field of sociology itself is a relatively new discipline and so, by extension, is the field of sociological theory. Both date back to the 18th and 19th centuries, periods of drastic social change, where societies would begin to see, for example, the emergence of industrialization, urbanization, democracy, and early capitalism, provoking (particularly Western) thinkers to start becoming considerably more aware of society. As such, the field of sociology initially dealt with broad historical processes relating to these changes.