39. Which of the following is the definition of a teratogen?

21. Although we may be attracted to good-looking people, we tend to be romantically involved with people whose level of physical attractiveness is comparable to our own. This tendency is called?

9. Changes in behavior or abilities or both is called:

27. Personality is the product of driving forces within a person that are often conflicting and sometimes unconscious. This term is called?

14. A preschool child who states, “The sun is shining on me.” is exhibiting egocentrism.

41. Which of the following begins during the embryonic stage of the prenatal period?

6. How many comparative Psychosocial Stages did Erik Erikson identify?

20. The complex interplay between nature and nurture on prenatal development when genetic or environmental agents are most likely to cause birth defects is called.

29. Gordon Allport believed there were three types of traits help us understand a person’s uniqueness: central traits, secondary traits, and cardinal traits.

18. Studies have shown that we tend to be friend with those who live and work close to us. The physical closeness is called?