Grad Paradigms

---
name: "grad-paradigms"
description: "Apply Kuhn's paradigm theory to analyze scientific progress through the cycle of normal science, anomalies, crisis, and revolution. Use this skill when the user needs to understand why a field resists change, trace paradigm shifts in a discipline, analyze incommensurability between competing frameworks, or when they ask 'why do scientists ignore contradictory evidence', 'how do scientific revolutions happen', or 'why can't proponents of different paradigms agree'."
metadata:
  category: "WP-34 跨學科/新興"
  tags: ["Kuhn", "paradigm-shift", "normal-science", "scientific-revolution", "incommensurability", "philosophy-of-science"]
---

# Paradigm Theory (Kuhn)

## Overview

Kuhn's paradigm theory explains scientific progress not as linear accumulation but as a cyclical process: normal science operates within a paradigm until anomalies accumulate, triggering crisis and eventually a revolutionary paradigm shift. The new paradigm is incommensurable with the old — they literally see different worlds.

## When to Use

- Analyzing why a scientific or professional field resists new ideas
- Tracing historical shifts in dominant frameworks within a discipline
- Understanding why debates between competing schools seem irresolvable
- Evaluating whether a field is in normal science, crisis, or revolutionary phase

## When NOT to Use

- When analyzing incremental, non-revolutionary knowledge growth (use Lakatos instead)
- When the focus is on individual discovery rather than community-level shifts
- When normative evaluation of which paradigm is "better" is required (Kuhn is descriptive)

## Assumptions

```
IRON LAW: Scientists working within a paradigm do NOT test the paradigm —
they solve puzzles defined by it. Paradigm change is a social-political
process, not a purely rational one.
```

Key assumptions:
1. Science operates within shared paradigms (exemplars + disciplinary matrix)
2. Normal science is puzzle-solving, not paradigm-testing
3. Anomalies are initially dismissed, not immediately investigated
4. Paradigm shifts involve gestalt switches — not gradual conversion

## Methodology

### Step 1: Identify the Paradigm

Define the dominant paradigm: shared exemplars, accepted methods, ontological commitments, and the community that holds them.

### Step 2: Map Normal Science Activity

Identify puzzle-solving within the paradigm — what questions are considered legitimate, what methods are standard, what counts as a solution.

### Step 3: Trace Anomalies and Crisis

Document anomalies (persistent puzzles the paradigm cannot solve), and assess whether they have accumulated to crisis level — marked by proliferation of ad hoc modifications and questioning of fundamentals.

### Step 4: Assess Revolution or Stability

Determine whether a rival paradigm has emerged, evaluate incommensurability with the old paradigm, and trace the social process of conversion (generational replacement, institutional power shifts).

## Output Format

```markdown
## Paradigm Analysis: [Context]

### Dominant Paradigm
- Core exemplars: [foundational achievements that define the paradigm]
- Disciplinary matrix: [shared values, methods, symbolic generalizations]
- Community: [who subscribes to this paradigm]

### Normal Science Phase
- Legitimate puzzles: [questions the paradigm defines as worth solving]
- Standard methods: [accepted approaches]
- Anomalies identified: [persistent unsolved puzzles]

### Crisis Assessment
- Severity: [pre-crisis / emerging crisis / full crisis]
- Ad hoc modifications: [patches to save the paradigm]
- Competing candidates: [alternative paradigms emerging]

### Paradigm Shift Evaluation
- Rival paradigm: [description if one exists]
- Incommensurability points: [where old and new paradigms talk past each other]
- Conversion dynamics: [generational, institutional, evidential factors]

### Implications
1. [Current phase of the field]
2. [Likelihood and direction of potential shift]
```

## Gotchas

- Kuhn's "paradigm" has been criticized for vagueness — he used it in 21+ senses; be explicit about which sense you mean
- Incommensurability does NOT mean paradigms cannot be compared at all — it means translation is imperfect
- Not all fields have clear paradigms; Kuhn's model fits natural sciences best and applies less cleanly to social sciences
- Normal science is not inferior to revolutionary science — it is productive and necessary
- The winner of a paradigm shift is not necessarily "more true" — it solves more puzzles that the community currently cares about
- Do not conflate paradigm shift with any theoretical change — Kuhn reserved it for fundamental restructuring

## References

- Kuhn, T. S. (1962/1970). *The Structure of Scientific Revolutions* (2nd ed.). University of Chicago Press.
- Kuhn, T. S. (1977). *The Essential Tension: Selected Studies in Scientific Tradition and Change*. University of Chicago Press.
- Hoyningen-Huene, P. (1993). *Reconstructing Scientific Revolutions: Thomas S. Kuhn's Philosophy of Science*. University of Chicago Press.