We explored the perceptual structure of facial expressions of six basic emotions, varying systematically in intensity, in adults and children aged 7 and 14 years. Multidimensional scaling suggested that three- or four-dimensional structures were optimal for all groups. Two groups of adults demonstrated nearly identical structure, which had…

This study examined whether children with mathematical difficulties (MDs) or comorbid mathematical and reading difficulties have a working memory deficit and whether the hypothesized working memory deficit includes the whole working memory system or only specific components. In the study, 31 10-year-olds with MDs and 37 10-year-olds with both…

Used stick-figure cartoons depicting various peer social situations to investigate meanings given by children in 14 countries to native terms cognate to bullying. Found that 8-year- olds primarily discriminated nonaggressive and aggressive situations; 14-year-olds discriminated fighting versus physical bullying and verbal bullying versus social…