tri·al and er·ror

(triī'ăl er'ōr),

The apparently random, haphazard, hit-or-miss exploratory activity that often precedes the acquisition of new information or adjustments; it may be overt, as in a rat running in a maze, or covert (vicarious), as when one thinks of various ways of coping with a situation.

Farlex Partner Medical Dictionary © Farlex 2012

trial and error

see LEARNING.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

References in periodicals archive

It provides the capabilities for presenting authentic whole texts contextualized by images and other graphics, for trial and error attempts at learning, for branching, for circuitous forms of learning, and for recycling of the material in a myriad of ways.

Designing instructional technology for language learning

Additionally, the practical realization that meaningful learning requires some trial and error also is a requisite in OD implementation.

Organizational Development in a Law Enforcement Environment

(259) Marcia Coyle et al., Trial and Error in the Nation's Death Belt, Nat'l.

A case for harmless review of Ake errors

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