Acta Psychologica Sinica


Volume 25 No 3, pp. 225-232 (1993)

AN EXPERIMENTAL STUDY OF AUDITORY-VISUAL MODALITY EFFECT IN TIME JUDGEMENT

HUANG Xiting and ZHENG Yun

Abstract

Two intervals were presented at the same time auditorily or visually. Following the presentation, the subject was given randomly one of the two intervals, and was asked to reproduce it immediately or after a delay of 5 sec. The results showed that: (1) In the short time interval condition (l sec., 1.5 sec., 2 sec.),the reproduction is more accurate for audition vision, and for audition, deley has little effect on temporal information coding. However, in the long interval condition (l0 sec., 11 sec. , 12 sec.), the subject's performance was indistinguishable whether the intervals were presented auditorily or visually. (2) The source of the modality effects is not sensory stored but memory. (3) Positive time-order-error often occurred in the judgement offshort time interval, negative time-order-error was more likely to occur in long time interval.
Keywords: time judgement; auditory-visual modality effect; memory; time-order-error

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