ON THE MEASUREMENT OF DETERIORATION IN PERFORMANCE CAUSED BY DISTRACTION STRESS

摘要: Abstract This study is a first step to closer quantitative description of the step-by-step deterioration in performance complex behaviour patterns that can be brought about by increasingly occupying subject mentally with another task which he has give preference. method may regarded as providing ’ distraction stress The preference had given (Primary Task) consisted pressing pedal at left or right response respectively low and high tone presented random order through earphones. Secondary Task placing rods into holes. Different conditions were chosen compare measures impairment caused Primary movement, positioning making choices Secondary. When required only movement positioning, effect was mainly expressed slower performance. also made errors ...