Abstract

In this study, it’s aimed to measure and compare the primary school seventh and eightht grade students formal operational thinking abilities. As a data collection tool in the study Student Profile Questionnare and Group Test of Logical Thinking is used and and practised to the sampling schools in 2006-2007 Spring academic year. At the end of the data analyses there is no significant difference found between the students formal operational thinking abilities in terms of the gender variabl; significant difference found between the students formal operational thinking abilities in terms of the type of the school, academic success, socio-economic and socio-cultural background variables and there is a significant relationship found between the student operational thinking abilities and success in science at the level of r =0.70