1. Jean Piaget’s Theory of Cognitive Development

3. I: Terms and concepts.

25. A trials The A not B task 1 The A not B task

26. A trials The A not B task 1 The A not B task

27. A trials The A not B task 1 The A not B task

28. A trials The A not B task 2 The A not B task

29. A trials The A not B task 2 The A not B task

30. A trials The A not B task 2 The A not B task

31. B trials The A not B task The A not B task

32. B trials The A not B task The A not B task

33. B trials The A not B task ??

41. Piaget – Part 2 Beyond the sensorimotor period

43. Pre-operational thinking and problems of conservation

44. Pre-operational thinking and problems of conservation Conservation of liquid

45. Pre-operational thinking and problems of conservation

46. Pre-operational thinking and problems of conservation

47. Pre-operational thinking and problems of conservation

48. Pre-operational thinking and problems of conservation

49. Pre-operational thinking and problems of conservation

50. Pre-operational thinking and problems of conservation

52. Pre-operational thinking and problems of conservation Reversibility: The pouring of water into the small container can be reversed.

53. Pre-operational thinking and problems of conservation Compensation: A decrease in the height of the new container is compensated by an increase in its width

54. Pre-operational thinking and problems of conservation Identity: No amount of liquid has been added or taken away.

57. Doll 1 Doll 2 Child 3 Mountains Task

58. Doll 1 Doll 2 Child 3 Mountains Task

63. Conservation of mass

64. Conservation of mass

65. Conservation of mass

68. Emotion reasoning