Demonstrates that 11-year-old children's scientific thinking in formal operational terms can be significantly developed through training in the cognitive style of field independence determined by the Group Embedded Figures Test. Suggests students could perform formal operationally if they had the skill of identifying the variables to be…

Reviews the theoretical framework of instructional programs and the emphasis on enhancing formal reasoning ability. Investigates the effect of an instructional program using inquiry-based learning in pre-service science teacher education students. Reports that the promotion of formal reasoning abilities may be achieved through the five-phase…