The subject has to guess the color beforehand, and gets rewarded if he guesses correctly.
These studies, however, have not produced the kind of results as may have been expected beforehand because of methodological difficulties.
So we can expect a better clustering using stemming beforehand.
The experimenter noted any incorrect responses on a sheet prepared beforehand with the random order of trials.
Procedures are specified beforehand by developers to save time during critical situations.
Indeed, it is impossible to foresee all situations an agent can encounter beforehand.
Nevertheless, novel biological and evolutionary understanding of language (and other cognitive structures) may occur beforehand.
The problem from this perspective was not the lack of observations, but the lack of some way to gather and communicate their message beforehand.
