The Role and Tasks of Political Theory

Political theory is often introduced as the study of big ideas like justice, liberty, and the state. But beyond defining these concepts, the discipline has a set of concrete jobs to do. These are the tasks before political theory: the responsibilities it must fulfil to remain relevant and useful. Understanding these tasks helps explain why political theory is not merely abstract speculation but a practical tool for making sense of political life and shaping it for the better. This post breaks down what these tasks are, how leading scholars have defined them, and why they matter for anyone studying politics today.

What political theory actually is 🔗

Before looking at its tasks, it helps to be clear about what political theory means. The scholar David Held described it as a network of concepts and generalizations about political life, covering ideas and assumptions about the nature, purpose, and key features of government, state, and society, along with the political capabilities of human beings. In other words, it is a structured way of thinking about how political life is organised and how people relate to power.

Political theory occupies a distinctive position within the study of politics. It draws on both science and philosophy. As a science, it seeks to observe, describe, and explain political phenomena systematically. As a philosophy, it goes further, asking not only what political life is but what it ought to be. This dual character shapes everything the discipline does, and it explains why its tasks are so varied.

Science and philosophy working together 🔗

The scientific side of political theory deals with what is. The philosophical side deals with what should be. Scholars often call this the distinction between empirical and normative approaches. Empirical political theory explores how government currently functions using the methods of observation and evidence, while normative political theory explores how government should ideally work, grounded in philosophy and ethics. Political theory does not pick one side. It uses both, which is precisely what makes its tasks demanding.

Identifying significant political variables 🔗

One of the first tasks of political theory is to identify the significant variables in political life and describe how they relate to one another. David Held emphasised that this requires an analytic scheme, a framework that organises political facts so that research becomes meaningful rather than scattered.

A political variable is any factor that influences political outcomes: power, authority, legitimacy, class, institutions, public opinion, and so on. The task of the theorist is to pick out which of these matter most for a given question and to map their connections. For example, analysing the variable of power reveals how different groups and individuals influence decision-making within a system. Without this step, political analysis would be a confused pile of observations with no order.

Providing a framework for research 🔗

Identifying variables leads directly to a second, closely linked task: providing theoretical frameworks for research. A good framework tells researchers what to look for, how to measure it, and how to interpret what they find. Political theory clarifies the concepts and methods used by political scientists, sharpening the tools that empirical study depends on.

This is why theory and research are inseparable. A study of voting behaviour, party systems, or governance reforms always rests on theoretical assumptions about what counts as relevant. Political theory makes these assumptions explicit and defensible. The methodology behind it matters too, since normative recommendations about institutions often rest on empirical premises about how society actually works.

Developing normative principles 🔗

Perhaps the most distinctive task of political theory is developing normative principles, the ethical standards by which we judge political arrangements. This is where the discipline moves from describing the world to evaluating it. Normative principles help answer the questions that no amount of data alone can settle: What should the role of the state be? How should resources be distributed? What rights and freedoms should individuals have?

The work of John Rawls is the clearest modern example. His 1971 book A Theory of Justice is widely seen as the work that revived normative political philosophy. As one account puts it, the recent rebirth of normative political philosophy began with the publication of Rawls’s A Theory of Justice. Rawls did not just ask what freedom or equality mean; he argued for which liberties and rights people ought to have in a just society, and he backed his argument with a systematic method.

Rawls and the design of institutions 🔗

Rawls connects normative principles to a further task: designing institutions. For Rawls, justice is mainly about the basic structure of society, meaning the political constitution and the main social and economic arrangements. His theory provides a framework for the legitimate use of political power and treats the just arrangement of institutions as the highest standard a society can meet.

His famous thought experiment, the original position, asks people to choose the rules of society from behind a veil of ignorance, without knowing their own class, status, abilities, or wealth. The idea is that fair principles are those we would accept if we could not rig the system in our own favour. This shows the task in action: political theory does not stop at stating a principle. It works out how to build institutions, procedures, and policies that embody that principle in practice.

Evaluating social structures 🔗

Closely tied to normative principles is the task of providing general standards for evaluating social structures. Once a theorist has defended a principle such as fairness or equal liberty, that principle becomes a yardstick. Existing institutions and policies can then be measured against it and judged better or worse.

This evaluative role is central to how scholars understand the discipline. The traditional view sees political theory as normative, evaluative, and critical, concerned with reasons, judgments, and interpretations rather than mere description. Evaluation gives political theory its critical edge. It allows the theorist to point out where a society falls short of its own stated values and to argue for reform. [Image: A balance scale weighing a model of a government building against symbols of justice and equality, representing political theory’s role in evaluating institutions]

Looking beyond the present 🔗

Political theory is not confined to the here and now. A vital task is to extend beyond the present and explore future possibilities. While science describes current conditions, the philosophical dimension of political theory imagines what could be. It asks not only how things are but how they might be reorganised.

This forward-looking quality means political theory is also concerned with prediction and guidance. By organising knowledge in a systematic way, theory allows us to reason beyond immediate experience and anticipate the likely consequences of political choices. In this sense it serves as a guide for political action, helping citizens and policymakers think clearly about the direction they want their society to take.

Guiding political action 🔗

The point of looking ahead is not idle speculation. It is to inform decisions. When a government debates welfare policy, constitutional rights, or how to treat minorities, it is drawing, often without realising it, on normative principles that political theorists have developed and refined. Rawls’s framework, for instance, has shaped thinking around welfare policy, constitutional rights, healthcare access, and educational equity across many democratic societies. Theory turns abstract values into usable guidance.

Why political theory needs an interdisciplinary approach 🔗

None of these tasks can be done in isolation. Developing sound normative principles requires knowing how societies actually function, which means political theory must draw on empirical social science. As one methodological study notes, it is hard to arrive at a blueprint for a just society without understanding how society actually works, because recommendations must respect real constraints. Political theory therefore requires political science and the social sciences more broadly.

This interdisciplinary character runs deep. Political theory is an interdisciplinary research field that approaches questions of polity, power, conflict, and institutional change, blending empirical and normative work. More recent scholarship has gone even further, with researchers bridging the divide between empirical analysis and philosophical inquiry by drawing on fields such as cognitive science to understand how people engage with political norms. The lesson is consistent: good political theory integrates philosophical reasoning with evidence drawn from many disciplines.

The tasks as a connected whole 🔗

It helps to see these tasks not as a checklist but as a connected cycle. Identifying variables and building frameworks supply the raw material. Developing normative principles and designing institutions supply the goals. Evaluating social structures tests how far reality matches those goals. Looking beyond the present keeps the discipline oriented toward improvement. And the interdisciplinary approach holds the whole process together by ensuring that values remain grounded in fact. Each task supports the others, which is why political theory can be both rigorous and relevant at the same time.

Why these tasks matter 🔗

Understanding the tasks before political theory changes how you read the subject. Instead of treating thinkers like Held and Rawls as isolated names to memorise, you can see them as scholars working on shared problems: how to analyse political life accurately, how to judge it fairly, and how to improve it responsibly. The tasks also explain why political theory remains useful long after a particular debate has faded. The questions of how power should be organised, how resources should be shared, and what rights people deserve do not go away. Political theory exists to keep answering them with care.

What do you think? If political theory must balance describing the world as it is with imagining how it ought to be, which task do you think should take priority when the two pull in different directions? And when a normative principle clashes with what empirical evidence says is realistically achievable, how should a theorist respond?

References

1. https://www.sup.org/books/title/?id=2731
2. https://study.com/academy/lesson/approaches-to-political-theory-normative-and-empirical.html
3. https://en.wikipedia.org/wiki/Political_philosophy
4. https://personal.lse.ac.uk/list/PDF-files/MethodologyPoliticalTheory.pdf
5. https://en.wikipedia.org/wiki/John_Rawls
6. https://plato.stanford.edu/entries/rawls/
7. https://philosophy.institute/ethics/john-rawls-theory-of-justice-principles/
8. https://link.springer.com/article/10.1057/s41296-025-00752-1
9. https://www.sciencedirect.com/topics/social-sciences/political-theory
10. https://www.nature.com/research-intelligence/nri-topic-summaries/political-theory-and-political-philosophy-for-l3-440811