4.2.5 - Ideology and Science

Ideology and modernity

Sociologists use the idea of ideology to explain how beliefs can support unequal power relations. An ideology does not simply mean "any opinion". It usually refers to a set of ideas that makes a social order look natural, fair or inevitable, even when it benefits some groups more than others.

Karl Marx argued that the ruling class controls not only economic production but also the production of ideas. This means dominant beliefs can disguise exploitation and encourage people to accept inequality. Antonio Gramsci developed this into the idea of hegemony: power is stabilised not just through force, but because dominant groups win consent by making their worldview seem like common sense. Karl Mannheim added that ideas are socially located. What people see as "truth" is often shaped by where they stand in the social structure.

This matters for science because the rise of scientific thought is tied to the Enlightenment. Enlightenment thinkers challenged superstition, sacred authority and tradition by arguing that knowledge should be based on reason and evidence. In sociological terms, modernity gave science a much higher status than older religious explanations. That did not end belief systems; it changed which belief system had the greatest cultural authority.

Auguste Comte saw this as progress from theological and metaphysical explanations toward a positive, scientific stage. For positivists, this shift matters because it suggests that knowledge can become more reliable when it is tested systematically rather than accepted on faith.

A sociological comparison with religion sits in the background here. From a Popperian viewpoint, knowledge claims grounded mainly in sacred authority, whether in Christian or non-Christian traditions, operate differently from scientific claims because they are not usually organised around empirical disproof. Sociology is not deciding which faith is spiritually true; it is comparing how different belief systems justify what counts as knowledge.

Science as an open belief system

One reason science has high status is that it presents itself as open to criticism. Rather than claiming certainty forever, science is supposed to allow competing explanations, testing and revision. This is why many sociologists distinguish science from ideology and religion.

Karl Popper argued that the key feature of science is falsifiability. A scientific claim must be capable of being shown to be wrong. If a theory survives repeated attempts to falsify it, we can treat it as strong knowledge for the time being, but never as absolute truth. Science therefore progresses through conjecture and refutation.

Robert K. Merton strengthened this view by describing the norms that should govern science. In his CUDOS model, scientific knowledge should be shared openly (communism or communalism), judged by universal criteria (universalism), pursued disinterestedly (disinterestedness), and subjected to organised scepticism. Together, Popper and Merton offer a picture of science as an open belief system: ideas are public, provisional and criticisable.

This is a strong explanation of why science is often more successful than closed systems at producing cumulative knowledge. The methods are designed to expose error. However, it is partly an ideal picture. It tells us what science ought to look like, not always what scientists actually do.

Science as socially constructed

The problem with the idealised picture is that real scientific communities do not always behave like Popper's model. Sociologists of science argue that scientific knowledge is also shaped by institutions, professional cultures and wider power relations.

Thomas Kuhn argued that scientists usually work inside a paradigm: a shared framework of assumptions, methods and examples that defines what counts as a good question or valid answer. Most scientists engage in normal science, solving puzzles within that paradigm rather than constantly trying to overthrow it. Only when anomalies build up does a paradigm shift become possible.