Reasoning abilities of Cypriot 12th graders in five forms of formal logical thought were studied in relation to academic achievement and gender differences. Results support proposals that suggest that there are specialized abilities dealing with specific domains of reality. The five reasoning modes were significant predictors of achievement. (SLD)

Investigated were gender-related differences in the relationship between the development of formal reasoning skills and learning interests during the early adolescent stage. Results indicated that adolescent boys appeared to develop patterns of formal reasoning before their female classmates. Differences in subject preferences were also found. (CW)

The constructs of concrete and formal operational reasoning were examined in 459 15-year-old secondary school students (234 males and 225 females) in Singapore. Log linear models were used to explore the relationships between Piagetian level of reasoning, the level of intelligence, gender, and type of home-speaking environment among these…