Critical Realism
Critical Realism combines a realist ontology — reality exists independently of our knowledge of it — with a critical epistemology that recognizes all knowledge as historically situated and fallible. Roy Bhaskar's 'A Realist Theory of Science' (1975) introduced the foundational framework, distinguishing three ontological domains: the real (structures and mechanisms that exist whether or not we observe them), the actual (events that occur whether or not we experience them), and the empirical (events as experienced). 'The Possibility of Naturalism' (1979) extended this to the social sciences, arguing that society is real and causally efficacious but ontologically distinct from nature — social structures are reproduced and transformed by human activity, making critical realism simultaneously naturalistic and anti-reductionist. The result is a philosophy that takes science seriously as a fallible but progressive attempt to discover real causal mechanisms, while insisting that the world is deeper, more stratified, and less transparent than any empirical observation can reveal.
Worldview
The critical realist experiences reality as genuinely independent of human thought yet never fully transparent to it — a world of deep structures, hidden mechanisms, and layered strata that reward patient inquiry but always retain an inexhaustible surplus beyond any particular theory. The fundamental orientation is one of humble realism: the world is real and knowable, but our knowledge of it is always partial, fallible, and open to revision. To hold this ontology is to feel the solidity of an independent reality beneath one's feet while acknowledging that the map is never the territory. There is a mature confidence in the scientific enterprise coupled with a refusal to mistake any particular scientific consensus for the final word. The critical realist moves through the world as an investigator, always probing beneath surfaces for the causal mechanisms that generate observable events.
Moral Implications
Critical realism supports a robust moral realism: just as the natural world has real structures and powers, so too do social structures possess real causal efficacy, generating patterns of oppression, exploitation, and flourishing that are not merely constructed but objectively operative. Ethical reasoning is understood as fallible but genuinely truth-tracking, capable of identifying real harms and real goods through careful inquiry into the mechanisms that produce them. The critical realist is committed to emancipatory social science — research that unmasks the deep structural causes of suffering and injustice. Responsibility extends beyond individual moral choices to the transformation of social structures that systematically produce harm. Justice is not merely a human projection but a real possibility inherent in the structures of social life.
Practical Implications
Critical realism provides a rigorous philosophical foundation for interdisciplinary research and evidence-based policy, insisting that effective intervention requires understanding the deep causal mechanisms at work rather than merely correlating observable variables. In technology and medicine, it supports a stratified approach: surface symptoms must be traced to underlying generative mechanisms before meaningful solutions can be designed. Environmental policy is grounded in the recognition that ecological systems possess real causal powers and tendencies that operate independently of human observation or economic valuation. In education and governance, critical realism encourages institutional designs that are responsive to the layered complexity of social reality rather than reductive or one-dimensional.
I. Time
Time is substantival and infinite — a real, objective dimension of a stratified reality that exists independently of our knowledge of it. Time is continuous, linear, and uni-directional. Critical realism insists that the deep structures of temporal reality may not be directly observable but can be known through theoretical inquiry and retroductive reasoning.
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II. Space
Space is substantival, infinite, and curved — an objective feature of a stratified reality. It is local and three-dimensional, but its deep structure may include unobservable spatial mechanisms and powers. Critical realism holds that our spatial concepts approximate but never fully capture the independent spatial reality.
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III. Matter
Matter is substantival, finite, and locally situated — it is a real, independently existing substance within a stratified ontology. Matter possesses real causal powers and tendencies that operate whether or not they are observed. Conservation holds because the deep structures of material reality are real and enduring.
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IV. Observer
The observer is an embodied, socially situated being who perceives a real world that exists independently of perception — but whose access to that world is always mediated and fallible. Direct experience is immediate and limited, yet through critical inquiry the observer can penetrate beneath surface appearances to discover the deep structures and causal mechanisms that generate observable phenomena. Knowledge accumulates: each inquiry builds on previous understanding, progressively approximating a reality that is always richer and more layered than any single account. The observer is active — reality is real but our theories about it are human constructs, always open to revision. Multiple observers collaborate in this critical enterprise, pooling perspectives to see past individual biases.
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V. Energy
Energy is substantival and finite — a real feature of the deep structure of physical reality. Conservation is strict: energy obeys objective natural laws whether or not we observe them. Dispersibility is irreversible as a feature of the real temporal ordering of causal processes.
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VI. Information
Real informational structures exist in a stratified reality — some are directly observable, others are deep structural information accessible only through theoretical inquiry.
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