TY  - BOOK
AU  - Fogelman, K. R. (Ken R.)
TI  - Piagetian tests for the primary school
U1  - 371.26 F655p 
PY  - 1970///
CY  - England
PB  - National foundation for educational research
KW  -  Concepts
KW  - Learning, Psychology of
KW  - Psychologie de l'apprentissage
N2  - When do children acquire basic logic to make sense of the world? This book discusses tests of logical operations, of conservation, of transitivity and seriation, of number concepts and of spatial concepts
ER  -