Some social theorists emphasize the subjective nature of research. These writers espouse social theory perspectives that include various types of the following: Critical theory is the examination and critique of society and culture, drawing from knowledge across social sciences and humanities disciplines. Dialectical materialism is the philosophy of Karl Marx, which he formulated by taking the dialectic of Hegel and joining it to the materialism of Feuerbach. Feminist theory is the extension of feminism into theoretical, or philosophical discourse; it aims to understand the nature of gender inequality. Marxist theories, such as revolutionary theory and class theory, cover work in philosophy that is strongly influenced by Karl Marx's materialist approach to theory or is written by Marxists. Phronetic social science is a theory and methodology for doing social science focusing on ethics and political power, based on a contemporary interpretation of Aristotelian phronesis. Post-colonial theory is a reaction to the cultural legacy of colonialism. Postmodernism refers to a point of departure for works of literature, drama, architecture, cinema, and design, as well as in marketing and business and in the interpretation of history, law, culture and religion in the late 20th century. Rational choice theory is a framework for understanding and often formally modeling social and economic behaviour. Social constructionism considers how social phenomena develop in social contexts. Structuralism is an approach to the human sciences that attempts to analyze a specific field (for instance, mythology) as a complex system of interrelated parts. Structural functionalism is a sociological paradigm that addresses what social functions various elements of the social system perform in regard to the entire system. Other fringe social theorists delve into the alternative nature of research. These writers share social theory perspectives that include various types of the following: Anti-intellectualism describes a sentiment of critique towards, or evaluation of, intellectuals and intellectual pursuits. Antiscience is a position critical of science and the scientific method. Education and degrees Most universities offer degrees in social science fields. The Bachelor of Social Science is a degree targeted at the social sciences in particular, it is often more flexible and in-depth than other degrees that include social science subjects. In the United States, a university may offer a student who studies a social sciences field a Bachelor of Arts degree, particularly if the field is within one of the traditional liberal arts such as history, or a BSc: Bachelor of Science degree