Breaking down the question
The command word Discuss asks for a rounded treatment of the relationship — both the close affinity between sociology and political science and the points at which they diverge. The examiner wants you to show interdependence without collapsing one discipline into the other.
The core of a good answer is the recognition that the two disciplines share a common subject matter — organised social life, power and the state — but approach it with different foci. Political science traditionally centres on the state, government and formal institutions, whereas sociology studies the whole of society and treats political life as one institution embedded in the wider social order. The meeting point crystallises in the sub-discipline of political sociology.
At 10 marks, aim to establish the affinity, mark the differences, and illustrate the convergence with a concrete field or thinker.
How to approach it
Begin by noting that both are social sciences studying human beings in association, so their subject matter overlaps substantially. Establish the affinity first: political phenomena — the state, power, authority, law — are also social phenomena, shaped by and shaping the wider society.
Then draw the distinctions of emphasis. Political science has conventionally concentrated on the state and formal institutions of government, on constitutions and normative questions of how society ought to be governed; sociology examines society as a whole and views political institutions as one part of a larger network of institutions, asking how social forces such as class, caste, religion and community shape political behaviour. Show the convergence through political sociology and fields like voting behaviour, elite theory and pressure groups, and note the modern behavioural turn that brought the two closer. Our notes on the scope of sociology situate this within the wider debate about disciplinary boundaries.
Conclude that the relationship is one of mutual dependence rather than rivalry.
Model answer
Sociology and political science are closely related social sciences, each concerned with human beings living in organised association. Their subject matter overlaps because political life is a species of social life: the state, power, authority and law are social institutions, arising within society and continuously shaped by it.
Their relationship is one of interdependence. Sociology supplies political science with an understanding of the social bases of political behaviour — the ways in which class, caste, religion, kinship and community mould voting, party allegiance and the exercise of power. Reciprocally, political science offers sociology detailed knowledge of the state and governmental institutions, which are among the most consequential structures in any society. Many classical thinkers straddle both fields: Max Weber's analysis of power, authority and bureaucracy, and Robert Michels's iron law of oligarchy, are foundational to each discipline alike.
Yet the two are not identical, and the differences lie in focus. Political science has conventionally taken the state and government as its central object, attending to constitutions, formal institutions and normative questions of how societies ought to be governed. Sociology studies society in its entirety and regards political institutions as one institution among many, embedded in and interacting with economy, religion and family. Sociology is broadly empirical and analytical, whereas classical political theory has a strong normative and philosophical strand.
The clearest expression of their convergence is political sociology, which studies power in its social setting — voting behaviour, political parties, pressure groups, elites and political socialisation. The behavioural revolution of the twentieth century, which turned political scientists towards the empirical study of actual political conduct, drew the disciplines still closer, since it required precisely the concepts and methods sociology had developed. The relationship, in sum, is complementary: distinct in emphasis, but mutually enriching, and increasingly overlapping at their shared frontier.
Examiner's perspective
The examiner is looking for balance. A one-sided answer that stresses only the closeness of the disciplines, or only their differences, misses the point of Discuss. The best scripts establish the shared subject matter, then specify the difference as one of focus — the state and formal institutions for political science, society as a whole for sociology — rather than a difference of kind.
Convergence should be evidenced, not merely asserted: naming political sociology and its fields, invoking Weber on authority or Michels on oligarchy, and noting the behavioural turn all demonstrate command. A conclusion that frames the relationship as interdependence and mutual borrowing, rather than rivalry, gives the answer the poise examiners reward at this level.