Quality of family context or sibling status? Influences on cognitive development

This study analyzes the influence of socioeconomic status, quality of family context and sibling status on cognitive development in a sample of 551 five-year-old children. The regression analyses confirmed the predictive value of socioeconomic status and quality of family context on cognitive development. The quality of family context mediates the relation between socioeconomic status and cognitive development. None of the variables relating to the sibling group showed a significant relationship with cognitive development.