





To consider aloud from to , carrying out in parallel in writing arithmetic actions a way to measure attention distribution, besides if to consider spent time and quantity of the allowed mistakes.
Having subjected at the same time a great number of people to similar tests, it is possible to compare individual levels.
The certain dictations which have been carried out in a class taking into account time and mistakes, serve as practical way of measurement of collective level.
These experiences recommended by psychologists, should not stir normal life of school.
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