2026 Volume 25 Issue 2 Pages 5-13
This study aimed to clarify the discrepancy between predicted and actual perceived difficulty of physical activities under restricted visual field conditions. Thirty male students enrolled in a faculty of education participated in the experiment. They performed motor tasks under two conditions: one with an unrestricted visual field and the other with a restricted visual field. The tasks consisted of three types of activities: a “walking task”, a “ball task”, and a combined “dual task” involving both. In the restricted visual field condition, subjects wore “child vision glasses” designed to simulate the narrower field of view characteristic of children. Prior to each task under the restricted condition, subjects were asked to predict the time they believed would be required to complete the task. The difference between these estimates and the actual performance times was calculated. The results revealed that discrepancies existed between predicted and actual times across all three tasks. Notably, for the dual task (considered to be the most complex) the predicted time was significantly shorter than the actual time. This suggests that subjects tended to underestimate the difficulty of activities under restricted visual field conditions.
