5. ____ play: play that involves cooperation between two or more children

9. A time period in development that is qualitatively distinct from the periods before and after

10. Adolescent ____ ____: rapid increase in weight and height that occurs around the onset of puberty

12. Men-____: the first menstrual period

14. The egocentric belief of preoperational children that inanimate objects are alive like children are

15. The more or less predictable changes in behavior associated with increasing age

17. ____ sex characteristics: growth of breasts and hips in females and testes and facial hair in males

18. ____ play: playing alone

19. De-____: to think about more than one characteristic of a thing at a time

1. Proposed the first complete theory of moral development

2. Meno-____: the cessation of menstruation and the capacity to reproduce in women

3. ____ psychology: field of psychology that focuses on development across the life span

4. ____ sex characteristics: ovulation and menstruation in females and production of sperm in males

5. Adolescent ego-____: when adolescents believe they are the focus of attention in social situations

6. The self-oriented quality in the thinking of preoperational children

7. ____ reasoning: errors in understanding cause-and-effect relationships

8. ____ reflex: an automatic response in which an infant turns its head toward stimulation on the cheek

11. Object ____: the understanding that objects continue to exist when they are not in view

13. Suggested an alternative theory of moral development that accounts for male/female differences

16. ____ play: playing near but not with another child