trial and error


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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.

trial and error

see LEARNING.
References in periodicals archive ?
These profiles, as part of a color managed workflow, provide accurate, consistent color between devices and paper types and save the time and expense of trial and error color corrections.
Prior to the development of performance mapping, the standard procedure for selecting the best abrasive and processing conditions has been mainly trial and error and/or relying on the experience of the abrasive technical specialist and the machine operators.
Today, lithography engineers still use labor intensive techniques that require them to manually modify the mask data through an iterative, trial and error process.