Charlotte Buehler / Hildegard Hetzer
Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
First published in 1935, this title highlighted the increased interest in measuring the development of pre-school children by other means than 'intelligence tests'. It contains developmental tests for the first six years of life; techniques for testing small children; information on the construction of tests and the evaluation their results.