The Structure of Scientific Revolutions

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In The Structure of Scientific Revolutions (SSR) Thomas Kuhn argued that

science fluctuated between sustained periods of normal science and periods of

chaotic reshuffling, called revolutionary science.

During periods of normal science the scientific community agree on a set of

foundational/basic beliefs called the paradigm (SSR, 10). The paradigm con-

tains four basic categories of knowledge, (i) firmly established symbolic laws

(e.g., f = ma), (ii) metaphysical world-views (e.g., that matter is composed of

atoms), (iii) values (e.g., that theories should be consistent, plausible, and sim-

ple), and (iv) methodological knowledge (often a tacit understanding of how to

solve scientific problems). This knowledge was, and is, a prerequisite to becom-

ing a scientist, which is why the paradigm is sometimes called a ‘disciplinary

matrix’ (1970, 182).

Research during periods of normal science is not ground-breaking (SSR, 35).

Instead, research is composed of (i) solving problems very similar to those that

have already been solved, or (ii) refining answers that have already been attained

(both SSR, 34). Frank Parajes (2004) describes the process as “mopping up”.

Kuhn uses the term puzzle-solving to refer to this type of work (SSR, 35-43).

The term ‘puzzle-solving’ alludes to jigsaw puzzles, Kuhn says that in scientific

puzzle-solving, as in jigsaw puzzle-solving, the solver can expect to find concrete

solutions (SSR, 38) by employing familiar, algorithmic rules (SSR, 38; Bird,

2004). This whole endeavour may seem facile, dull, and inane, but scientists

like the challenge and can make a reasonable salary (SSR, 38; Pajares, 2007).

Sometimes observations will appear that repudiate/question the paradigm’s

authorit...

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