Development of piagetian classification operations in middle school students
Subject Areas : روان درمانگریParirokh Dadsetan 1 , Jamileh Kalantari Khandani 2
1 - PhD Islamic Azad University South Tehran Branch
2 - B. A. in Clinical Psychology and English Translation
Keywords: classification operations, class inclusion, multiplicative grouping, middle school students,
Abstract :
The development of classification operations among middle school students was examined. A random o-economic regions of Tehran were selected by multistage sampling and two piagetian classification operation tests were administered to them. Findings showed achievement rate of the final stage of classification operation and the cumulative frequency in the transitional stage; !re were no significant gender differences in these aspects of the tests. " # the $%& "& 'were lower than those of students of other $"& ' ( A comparison between Iranian students and their international counterparts revealed a three-year delay among Iranian students. This delay can be explained by the inadequacies and shortcomings of Iran’s formal education and school system in encouraging spontaneity among children. Keywords : classifica.