- Can young infants add and subtract?A Wakeley
School of Education, University of California, Berkeley 94720 1690, USA
Child Dev 71:1525-34. 2000..This conclusion is consistent with previous findings indicating that simple adding and subtracting develops gradually and continuously throughout infancy and early childhood...
- The drawbridge phenomenon: representational reasoning or perceptual preference?S M Rivera
Department of Psychology, University of California, Berkeley, USA
Dev Psychol 35:427-35. 1999..They question R. Baillargeon's (1987a) claim that it is due to infants' representational reasoning about physically impossible object permanence events...