Ontwikkeling van het getalbegrip op de kleuterschool 1972-1973

Design evaluation of training procedures / tests used Utan sub tests 1-4 Akit sub tests 0-7 Goldschmidt-Bentler sub tests a b c1 c2 Hamel sub tests 1-5 counting items sub tests 1-3 RVT sub tests 1-5. Wave 2 tests used Utan sub tests 1-4 Akit sub tests 1 2 4 57 Goldschmidt-Bentler sub tests a b c counting items sub tests 1-3 combi 1 subsets from the Hamel with Bruner's matrix ranks added combi 2 sub tests 1-4. Background variables: basic characteristics/ social class