抄録
“Dots counting” tests were given to high school boys and girls before and after physical exercise and terminal examination. There recognized a marked effect of training on the time required for counting in this test, but it was shortened even by only one, experience.
After the terminal examination, errors of counting showed a tendency to overcounting, and this was probably due to mental tension.
After physical exercise, errors in counting showed a tendency to miss-counting, but., the time required for counting was remarkably shortened.
