olemus
püüd probleemi lahendada korduvate varieeritud katsetega

Wiktionary:
the process of finding a solution to a problem by trying many possible solutions and learning from mistakes until success is attained
Navigating by trial and error may get you there eventually, but using a map is faster.

ülevaateid
https://en.wikipedia.org/wiki/Trial_and_error

https://www.dragdcbisauli.com/files/theoriesoflearning.pdf

https://orientalcollege.in/Dynamic_Img/cf5df887-ea32-4e96-9c28-4fe0f3347678.pdf

https://www.jtrialerror.com/