The Decision To Reject One Paradigm Is

Philosophers Of Science Have Repeatedly Demonstrated That More Than One Theoretical Construction Can Always Be Placed Upon A Given Collection Of Data.

Later Scientific Theories Are Better Than Earlier Ones For Solving Puzzles In The Often Quite Different Environments To Which They Are Applied. That Is Not A Relativist's Position, And It Displays The Sense In Which I Am A Convinced Believer In Scientific Progress.

Probably, The Single Most Prevalent Claim Advanced By The Proponents Of A New Paradigm Is That They Can Solve The Problems That Led The Old One To A Crisis.

As In Political Revolutions, So In Paradigm Choice--there Is No Standard Higher Than The Assent Of The Relevant Community. To Discover How Scientific Revolutions Are Effected, We Shall Therefore Have To Examine Not Only The Impact Of Nature And Of Logic, But Also The Techniques Of Persuasive Argumentation Effective Within The Quite Special Groups That Constitute The Community Of Scientists.

Rather Than Being An Interpreter, The Scientist Who Embraces A New Paradigm Is Like The Man Wearing Inverting Lenses.