Trends Observed in the Time Estimation of Three Stimulus Intervals within and across Sessions

Abstract
5 Ss participated in a 6-hr. experiment of which the time estimation procedure was a part. The production method with no feedback was used. Ss produced 30 trials at each of 5-, 15- and 30-sec. intervals. There were two sessions (AM and PM) on each of 9 experimental days. An increasing gradient over the first 30 trials was observed in the group data for the 5- and 15-sec. intervals. There was a decreasing gradient for the 30-sec. interval. These gradients do not occur on the second 30 trials or in subsequent sessions. A decreasing trend in the estimations over days was observed. Mean AM estimations was significantly higher than mean PM estimations. The regularity and stability of the data may possibly be attributed to the environmental constancy.

This publication has 5 references indexed in Scilit: