1
idea that even if something is out of sight, it still exists
2
adjustment of a schema by adding information similar to what is already known
3
innate traits that influence how one thinks, behaves, and reacts with the environment
4
preoperational child’s difficulty in taking the perspective of others
5
long-standing connection or bond with others
6
maturing of the sex glands
7
third stage in Piaget’s theory of cognitive development; from about 7 to 11 years old, children can think logically about real (concrete) events
8
first male ejaculation
9
maturing of the adrenal glands
10
period of time during fetal growth when specific parts or organs develop
11
beginning of menstrual period; around 12–13 years old
12
environment and culture
