High and stable levels of aggression and the presence of aggressive behaviour in multiple settings according to different informants are risk factors for later problems. However, these two factors have not been investigated in early childhood. The present study investigates trajectories of parent-reported child aggression from 1.5 up to 6 years of…

This study examined the effects of the accumulation of family risk factors on children's literacy skills, both in preschool and in first grade. Children's (N = 106) vocabulary, conventions of print, phonological awareness, knowledge of letters, reading decoding, and reading comprehension were assessed. Family risk factors, consisting of household…