0 past simple and past participle of err
1 to make a mistake or to do something wrong:
He erred in agreeing to her appointment to the position.
If they erred, the experimenter pronounced the item again and the children repeated it.
However, among those subjects who erred only once, the error tended to occur with the first pseudo-homonym presentation.
To agree with the unanimous majority on even a single trial was to have erred.
Only later did management acknowledge that they had erred.
No more than one listener erred for any one pair.
For example, when asked to find the stickbug, the children who erred most often selected the stick, rather than the other (not stick-like) bug.
Furthermore, children erred in the direction of the rule overgeneralizing der.
The coding scheme erred on the side of inclusiveness, adding a separate code for even esoteric positions.