Preface to the Classic Edition
Preface to the 2014 edition
1. The Class Inclusion Problem in Piaget’s Theory
2. Teaching the Inclusion Problem to Children in Geneva
3. Teaching the Inclusion Problem to Children
in Amsterdam
4. A Genevan Comment on My 1963 Publication
5. Teaching the Inclusion Problem to Children in Montreal
6. Teaching the Inclusion Problem to Children
in Utrecht (Netherlands)
7. Categorizing Children According to Their Degree
of Understanding
8. On the Methodology of Learning Studies
Relevant to Piaget’s Theory
Summary
Epilogue
A Personal History
Bibliography
Author Index
Biography
Dolph Kohnstamm is Professor Emeritus in Developmental Psychology, Leiden University, Netherlands. He is author of works including Parental Descriptions of Child Personality, Temperament in Context and The Developing Structure of Temperament and Personality from Infancy to Adulthood.






