Background: Recent research showed that cross-notation magnitude knowledge of fractions and decimals was related to better performance in fraction arithmetic, but it remains unclear whether it made an independent contribution to fraction arithmetic longitudinally when other cognitive variables are considered. Aims: To examine the extent to which…

This study set out to examine whether Chinese parents, more than people from other nations, over-estimate the intelligence of their son (little emperor) compared to their daughter. In this study, 155 pairs of married couples from mainland China estimated their own, their partner's and their only child's overall intelligence and 13 "multiple…

Middle school subjects of 13-21 years (from 4 nationalities) were used for studying the relationship between progressive cognition and personality characteristics by Raven's Standard Progressive Matrices and Eysenk's Personality Questionnaire. The results showed: (1) the correlation and stepwise regression were completely identical: P score was…