Human Development

ability able accepted According achieve activities adolescents adulthood adults aggression aspects attachment attention babies become begin behaviour believe better birth body boys career cause cells changes characteristics child childhood cognitive cognitive development culture determine developmental discuss early effect emotional environment example experience explain fact factors fear feelings Figure findings function gender girls human identity important increase indicated individual infants influence instance interaction involved knowledge language later learning less maturation means memory middle months moral mother needs objects occur older parents particular peer performance period personality physical Piaget placenta play positive possible preschoolers problems psychologists reason refers regarding relationship remember response result role rules sexual situation skills social South Africa specific stage tasks tend theory thinking tion understand usually values various women