TY - JOUR AU - Bermejo Fernández, Vicente AU - Lago Marcos, María Oliva PY - 1990 SN - 0165-0254 UR - https://hdl.handle.net/20.500.14352/60157 T2 - International Journal of Behavioral Development AB - This is a study of the level of children's understanding of cardinality, focusing on the difference between a true cardinality response and the application of a mechanically learned rule. The authors also evaluate and discuss the possible... LA - spa M2 - 231 PB - SAGE Publications TI - Developmental Processes and Stages in the Acquisition of Cardinality TY - journal article VL - 13 ER -