1 The development of intelligence Introduction Basic cognitive processes Development in children's thinking The main periods of development Experiments in England
2 The sensori-motor period Sub-stages i and ii Reflex exercises and primary circular reactions Sub-stage iii—The secondary circular reactions Notions of the object, space, time and physical causality Sub-stage iv—Coordination of secondary schemas Notions of the object, space, time and physical causality Sub-stage v—Tertiary circular reactions Notions of the object, space, time and physical causality Sub-stage vi—The invention of new means through mental combinations Discussion
3 The pre-conceptual sub-stage Imitation, play and rules Reasoning in the young child Implications for Nursery School teachers
4 The intuitive sub-stage Imitation, play and rules The beginning of conceptual thinking Concepts of the world and of physical causality Number, time and quantities Spatial concepts Some implications for Infants' School teachers
5 The sub-period of concrete operations The laws of groupings Play in the period of concrete operations Some late misconceptions among English children Limitations in thinking during the period of concrete operations Spatial concepts Discussion
6 The period of formal operations Assumptions, hypotheses and laws Definitions and symbolism Continuity and infinity Relations between relations Implications for Secondary School teachers Concluding remarks