In this paper, we wanted to determine whether the size of sorting objects used in sorting
activities in preschool and sorting time are related. We also wanted to find out to what extent
different placements of sorting objects affect the speed and accuracy of sorting.
The study involved 25 children aged from 3 to 4 years. Each child was assessed individually
performing three tasks. In the first task, each of the test subjects had to sort 15 balls into three
boxes. The first 15 balls had a diameter of 10 cm, 5 cm and 5 mm. In the second task, they had
to sort another 15 balls with a diameter of 1 cm, 0.5 cm and 0.2 cm into three boxes. In the third
task, we took the size of the balls from the first task, but the test subjects sorted all 15 balls into
one box according to the target position.
The obtained results were statistically processed using the SPSS program, and a T-test was used
to compare the results. Statistical significance was verified at the 5% risk level. Based on the
recorded results, we found that the required target placement of objects in the third task
significantly increased the task completion time. We also found that there was no reliable
connection between the amount of time a child spent completing the first task and his/her
performance assessment. Using the paired T-test, we found that object size has a statistically
significant impact on time increase. The results suggest the importance of conducting simpler
tests with larger objects and the need to further investigate the relationship between object size
and the child's size (e.g., their palm).
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