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Source of Knowledge
Traditionally, science is considered the source of knowledge.
Demarcation Problem
Attempts like verifiability, confirmability, and falsifiability failed as absolute criteria for what counts as science.
Epistemological Anarchism (Feyerabend)
Critiques the idea of one universal scientific method; opposes science monopoly on knowledge.
Theory-Ladenness of Observation
Observations depend on theories; there are no “objective facts.”
Feyerabend Slogan “Against Method”
Opposes methodological dogmatism in science.
Feyerabend Slogan “Anything Goes”
Any method (science, magic, religion) can produce knowledge.
Knowledge as Alternatives
Feyerabend: competing, incommensurable systems (e.g., evolution vs creationism) all count as knowledge.
Freedom of Methodology
Science should not dominate curricula; students should study alternative knowledge systems.
Criticism of Feyerabend
Leads to relativism: all truths are equal and context-bound; self-contradictory and allows “alternative facts.”
Problems with Relativism & Constructivism
Incommensurability: paradigms cannot be compared. Self-contradiction: “truth is relative” cannot be universally true. Practical absurdity: teaching “rainmaking by dance” as science.
Dogmatic Falsificationism
Naive view: empirical facts are infallible; wrong because observations are theory-laden.
Methodological Falsificationism (Popper)
Accepts theory-ladenness but assumes background theories.
Sophisticated Falsificationism (Lakatos)
A theory T is falsified only if a new theory T′ has greater empirical content, explains T’s successes, and has corroborated predictions.
Research Program (Lakatos)
Scientists work within research programs: similar to Kuhn’s paradigms.
Hard Core of Research Program
Fundamental assumptions not easily abandoned.
Protective Belt of Research Program
Auxiliary hypotheses that can be adjusted to solve anomalies.
Heuristics in Research Programs
Methods to find solutions: negative heuristic protects hard core; positive heuristic modifies protective belt.
Progressive Research Program
Explains more and predicts new confirmed facts (e.g., medicine).
Degenerative Research Program
Adds ad hoc fixes without progress (e.g., astrology, sorcery).
Demarcation Criteria (Lakatos)
Falsifiability, working within a research program, progressiveness, and abandonment of degenerative programs.
Kuhn vs Lakatos
Kuhn: science changes via descriptive paradigm shifts. Lakatos: research programs allow rational comparison and progress (normative).
Psychology as Science
If theories are falsifiable and part of progressive research programs → scientific; replication crisis suggests some subfields may be degenerative.
Feyerabend & Kuhn
Relativism/constructivistm→ problematic.
Lakatos
Strengthens Popper’s falsificationism and restores rational scientific progress.
Positive Heuristic
Change the protective belt of a research program when observations conflict with the theory.
Sokal Hoax
Show postmodern social sciences lack scientific standards
Lakatos’ Demarcation Criteria
Falsifiable Progressive Research Program