Developmental Psychology

6. a cognitive stage that lasts roughly from 2 to 7 years of age
9. what one must first establish as an infant, according to Erickson
10. prenatal organism from 9 weeks to birth
11. thinking, knowing remembering and communicating
12. birds do it
16. a simple form of learning - decreased response to repeated stimuli
17. principle that number, volume and mass are constant despite changes in form
20. a reflex in response to a brush on the cheek
22. fertilized egg
23. __________________ clock; culturally preferred timing of events

1. stranger ______________; a sign of increased attachment to one's caregiver, appears about 8 months
2. concepts, to Piaget
3. alcohol and radiation, for example
4. object ___________; things exist even when unseen
5. a study that follows a single group of people over a long period
7. changing existing schemas to incorporate new information
8. interpreting experience using existing schemas
13. prenatal organism from 2 weeks to 2 months
14. the male equivalent of menarche
15. biological growth processes, mainly genetic and in assigned order
17. _____________ period; a limited time when an organism must be exposed to experiences for proper development
18. Piaget's first stage, lasts to about age 2 years
19. according to Erickson, establishing this ability form close, loving relationships is a key adult task
21. intelligence that allows speedy abstract cognitive processing