AN EXPERIMENTAL STUDY ON RELATIVITY, ERROR AND SEX DIFFERENCES IN THE PERCEPTION OF VELOCITY, TIME AND DISTANCE.
STOCKHOLM UNIV (SWEDEN) PSYCHOLOGICAL LABS
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Proceeding from the principle of relativity in perception, it was found empirically that subjective velocity of and subjective distance space covered by a moving object are also relative, in the sense that a subjective velocity is a negatively decelerating power function of the motion-track length or observation time b subjective motion-track length varies directly with speed actually it varies inversely with time c the relation between subjective velocity and time or space as well as that between subjective space and time are independent of any definition of physical velocity. The absolute error of the subjective velocity time, space estimates was found to be a parabolic function of the subjective estimates of velocity time, space lying between 0-1, while a linear function was found for the values beyond 1. The relative error follows a hyperbolic curve for the subjective estimates of velocity time, pace within the former range but a parabolic curve within the latter one. Sex differences were not found in the estimation of subjective time and space. Women, however, have higher estimates of the same subjective speeds than men have. Author