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cargo cult science

n. (l en practice Practices which have the appearance of being scientific, but do not actually follow the scientific method.)

Wikipedia
Cargo cult science

Cargo cult science comprises practices that have the semblance of being scientific, but do not in fact follow the scientific method. The term was first used by physicist Richard Feynman during his 1974 commencement address at the California Institute of Technology.

Cargo cults are religious practices that have appeared in many traditional tribal societies in the wake of interaction with technologically advanced cultures. They focus on obtaining the material wealth (the "cargo") of the advanced culture through magical means, by building landing strips, mock aircraft, mock radios, and the like.