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Across 5. initial stage in classical conditioning 10. sense of one's identity 11. learning events together 14. CR 15. emotional tie with another person 17. interpreting one's new experience in terms of schema 18. stimuli similar to CS elicit similar response 20. FAS 22. baby's tendency when touched on cheek 23. reinforcers guide behavior 24. ovaries and testes 27. UR 28. awareness that things continue to exist when not perceived 31. accumulated knowledge 33. reinforcement schedule that reinforces response only 35. positive and helpful behavior 36. behavior occurs as automatic response 37. one's sense of self 39. concept or framework that organizes information 40. people's ideas about mental status 41. sense world is trustworthy 43. schedule that reinforces response after unpredicted time interval 45. learning that occurs but not apparent 46. mental activities associated with thinking 47. adapting for new information 48. agents, such as chemicals and viruses 49. CS 50. behavior that operates on environment 51. child's difficulty taking another's point of view 52. first menstrual period.

Down 1. biological growth process 2. learned ability to distinguish 3. psych. that studies change in life span 4. reappearance after pause 6. organism comes to associate stimuli 7. period between childhood and adulthood 8. schedule that reinforces response after time 9. infants fear of strangers 12. desire to perform behavior for its rewards 13. relatively permanent due to experience 16. schedule that reinforces response after unpredictable response 19. process by which attachments formed 21. skinner box 23. female breasts or male voice 25. desire to perform behavior for its own sake 26. Thorndike's principle 28. learning in which behaviors are strengthened or diminished 29. US 30. ability to form close relationships 32. decreased responsiveness with repeated stimulation 33. ability to reason speedily 34. period of sexual maturation 38. diminishing conditioned response 42. fertilized egg 44. natural cessation of menstruation