The Test of Logical Thinking (TOLT) and the Group Assessment of Logical Thinking (GALT) are two of the instruments most widely used by science educators and researchers to measure students' formal reasoning abilities. Based on Piaget's cognitive development theory, formal thinking ability has been shown to be essential for student achievement in…

This study analyzes the Object Categorization Test (OCT) and the Picture Categorization Test (PCT) to provide (1) psychometric analysis of the tests, (2) substantive analysis detailing variation in performance level as a function of age, race, class, and sex, and (3) normative data yielding frequencies of various score patterns. Data was taken…

The purposes of this study were to investigate (1) the consistency among fifth-grade children in conceptual style across different conceptual style instruments and (2) the generalizability of conceptual style behavior to school related tasks when stability and instability of children's conceptual style were taken into consideration. Children…

This investigation was designed to identify scales indicative of the development of problem-solving behavior in young children, and to discover whether children of different backgrounds exhibit similarities in the order of development and levels of achievement of problem-solving behaviors. Items from twenty-two tests were selected for use.…

The assessment of the development of preschool and primary grade children has assumed greater importance in recent years with the emphasis on compensatory education programs. While the assessment of cognitive development has received the primary thrust of research efforts thus far, most child experts would agree that the child's affective…

The main hypothesis was that the unit is appropriate for use at the kindergarten level. The evaluation was based upon the examination of four factors: 1) the reliability and item characteristics of the unit text; 2) the effect of bias associated with pupil sex, race, socio-economic status on geography achievement and learning gains; 3) the effect…