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Crossing through letters a, 17, 0, and s in a page of print.Crossing through every letter in a page of print.Adding up single digits in groups of ten.56 training college students (women), of the same year 35 university students (men).23 university students (women).]and of approximately the same age.Group IV was also thoroughly homogeneous.1.
William E. Brown (Sat,) studied this question.