Based on the view that adults are more effective in teaching positive behavior and in responding to children if they have some knowledge about child development, this pamphlet outlines children's typical abilities and behaviors at various ages from birth to 8 years. The pamphlet is designed to help parents protect their children as they grow up so they are not likely to be violent or to be victims of violence. Following introductory remarks on the meaning of child development, the pamphlet describes the importance of adults understanding child development and outlines basic principles about understanding child development and violence prevention. The pamphlet continues with outlines of children's cognitive and social/emotional development for the following age groups: (1) birth to 18 months; (2) 18 to 36 months; (3) 3 to 5 years; and (4) 6 to 8 years. Concluding the pamphlet is a list of important things for families to remember about expectations for children of different ages. (Contains 10 references.) (KB)