Across
- 3. childhood disorder marked by deficiencies in communication and social interaction.
- 6. in Piaget's theory, changing an existing schema to incorporate new information.
- 8. the developing person from 9 weeks after conception until birth.
- 10. principle that properties such as number and volume remain constant despite changes in appearance.
- 13. type of intelligence that reflects accumulated learning.
- 14. a study in which the same people are retested over a period of years.
- 15. type of intelligence that relates to reasoning speedily and abstractly.
- 16. fertilized human egg.
Down
- 1. decreasing responsiveness to a stimulus that is repeatedly presented.
- 2. in Piaget's theory, interpreting a new experience in terms of an existing schema.
- 4. any drug, virus, or other toxic substance that crosses the mother's placenta.
- 5. a study in which people of different ages are compared with one another.
- 7. the first menstrual period.
- 9. mental concepts or frameworks that organize information.
- 11. the developing person from 2 weeks through 2 months after conception.
- 12. process by which certain animals form attachments during a critical period.
