We investigated longitudinal predictors for disordered eating from early adolescence to young adulthood (12-34 years) across gender and different developmental phases among Norwegian young people. Survey data from a population-based sample were collected at four time points (T) over a 13-year time span. A population-based sample of 5,679 females…

Two experiments were conducted to compare the false belief understanding of children who have no siblings, but have classmates of different ages in kindergarten. In Experiment 1, 4- and 5-year-olds completed two unexpected location tasks. We found that 4-year-olds with classmates of different ages performed significantly better than those with…

Despite much research on Chinese children's learning achievement, little research exists on their early development of beliefs about learning. This study examined the perceptions of purposes for and affective and value expression toward learning among 129 Chinese preschoolers aged 3-6 years. To tap culturally valid perspectives, free narratives…