replication crisis

Etymology
Coined in the early 2010s with growing awareness of the problem.

Noun

 * 1) A crisis caused by the problem that many scientific studies are difficult or impossible to replicate or reproduce, casting doubt on the meaningfulness of their results in light of the requirements of the scientific method.

Proper noun

 * 1) All replication crises, in all scientific fields or specialties, viewed collectively as a unitary, single epistemic crisis.