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ON THE SEQUENTIALITY OF ORDINALITY AND CARDINALITYKINGMA J; KOOPS W.1981; INT. J. BEHAV. DEV.; ISSN 0165-0254; NLD; DA. 1981; VOL. 4; NO 4; PP. 391-402; BIBL. 15 REF.Article

THE QUESTION OF EGOCENTRISM: THE YOUNG CHILD'S COMPETENCE IN THE CO-ORDINATION OF PERSPECTIVESHOBSON RP.1980; J. CHILD PSYCHOL. PSYCHIATRY ALLIED DISCIP.; ISSN 0021-9630; GBR; DA. 1980; VOL. 21; NO 4; PP. 325-331; BIBL. 10 REF.Article

THE QUESTION OF CHILDHOOD EGOCENTRISM: THE CO-ORDINATION OF PERSPECTIVES IN RELATION TO OPERATIONAL THINKINGHOBSON RP.1982; J. CHILD PSYCHOL. PSYCHIATR. ALLIED DISCIP.; ISSN 0021-9630; GBR; DA. 1982; VOL. 23; NO 1; PP. 43-60; BIBL. 23 REF.Article

UNE NOTION PREOPERATOIRE DE LA CONSERVATION DES QUANTITESFORTIN THERTAULT A; LAURENDEAU BENDAVID M.1978; BULL. PSYCHOL.; ISSN 0007-4403; FRA; DA. 1978-1979; VOL. 32; NO 340; PP. 557-564; BIBL. 20 REF.Article

LE SCHEMA DE COVARIATION: MOYEN D'ANALYSE DU FONCTIONNEMENT OPERATOIREDESPRELS FRAYSSE A.1980; ANNEE PSYCHOL.; ISSN 0003-5033; FRA; DA. 1980; VOL. 80; NO 1; PP. 169-191; ABS. ENG; BIBL. 2 P.Article

THE RELATION BETWEEN TWO STRATEGIES OF CARDINAL NUMBER: CORRESPONDENCE AND COUNTINGRUSSAC RJ.1978; CHILD DEVELOP.; USA; DA. 1978; VOL. 49; NO 3; PP. 728-735; BIBL. 11 REF.Article

CHILDREN'S BELIEF IN PHOTOGRAPHIC FIDELITYO'CONNOR J; BEILIN H; KOSE G et al.1981; DEV. PSYCHOL.; ISSN 0012-1649; USA; DA. 1981; VOL. 17; NO 6; PP. 859-865; BIBL. 12 REF.Article

PIAGET'S STAGES OF COGNITIVE DEVELOPMENT AND ADULT CHARACTER STRUCTUREMALERSTEIN AJ; AHERN MM.1979; AMER. J. PSYCHOTHERAPY; USA; DA. 1979; VOL. 33; NO 1; PP. 107-118; BIBL. 9 REF.Article

ANALYSE FONCTIONNELLE DES COMPORTEMENTS PREOPERATOIRESDESPRELS FRAYSSE A; FRAYSSE JC.1978; CAH. PSYCHOL.; FRA; DA. 1978; VOL. 21; NO 3; PP. 197-212; ABS. ENG; BIBL. 15 REF.Article

SELF INSTRUCTIONS: EFFECT OF COGNITIVE LEVEL AND ACTIVE REHEARSALCOHEN R; SCHLESER R; MEYERS A et al.1981; J. EXP. CHILD. PSYCHOL.; ISSN 0022-0965; USA; DA. 1981; VOL. 32; NO 1; PP. 65-76; BIBL. 15 REF.Article

Une analyse hiérarchique de la coordination des déplacements chez des enfants préopératoires = A hierarchical analysis of the coordination of displacements in preoperational childrenDELHAXHE, A; CRAHAY, M.Cahiers de psychologie cognitive. 1983, Vol 3, Num 4, pp 419-440, issn 0249-9185Article

A travers l'œuvre de Jean Piaget. II: Principes et notions à la base de l'épistémologie génétique, stades de développement de la pensée = Trough the work of Jean Piaget. II: Principles and notions grounding the basis of the genetic epistemology phases of intellectual developmentMEURIS, G.Bulletin de Psychologie Scolaire et d'Orientation. 1984, Vol 33, Num 4, pp 141-152, issn 0007-4411Article

RECHERCHES SUR LA GENERALISATIONPIAGET J; HENRIQUES G.1978; ET. EPISTEMOL. GENET.; FRA; DA. 1978; VOL. 36; PP. 1-260Serial Issue

LOGICAL OPERATIONS AND METAPHOR INTERPRETATION: A PIAGETIAN MODELCOMETA MS; ESON ME.1978; CHILD DEVELOP.; USA; DA. 1978; VOL. 49; NO 3; PP. 649-659; BIBL. 23 REF.Article

LA DIALECTIQUE DES PREDICATS, CONCEPTS, JUGEMENTS ET INFERENCES. ETUDE GENETIQUEPIAGET J.1978; ARCH. PSYCHOL.; CHE; DA. 1978; VOL. 46; NO 179; PP. 235-251; ABS. ENGArticle

REGULARITES ET COMPORTEMENTS DE LIBRES COMBINAISONS. ETUDE GENETIQUEORSINI BOUICHOU F.1978; CAH. PSYCHOL.; FRA; DA. 1978; VOL. 21; NO 3; PP. 123-138; ABS. ENG; BIBL. 1 P.Article

DYNAMIQUE DE LA CONSTRUCTION OPERATOIRE CHEZ LES DEFICIENTS MENTAUX: ETUDE EXPLORATOIRE DES FACTEURS DETERMINANT L'INDUCTION EXPERIMENTALE ET LA GENESE SPONTANEE DES OPERATIONS CONCRETESPAOUR JL.1978; CAH. PSYCHOL.; FRA; DA. 1978; VOL. 21; NO 3; PP. 183-195; ABS. ENG; BIBL. 2 P.Article

PROCESSUS VICARIANTS ET DIFFERENCES INDIVIDUELLESREUCHLIN M.1978; J. PSYCHOL. NORM. PATHOL.; FRA; DA. 1978; VOL. 75; NO 2; PP. 133-145; BIBL. 16 REF.Article

PROCEDURES D'ACTIONS ET SIGNIFICATIONS FONCTIONNELLES CHEZ DES ENFANTS DE DEUX A CINQ ANSSAADA ROBERT M.1979; ARCH. PSYCHOL.; CHE; DA. 1979; VOL. 47; NO 182; ABS. ENG/GER; BIBL. 2 P.Serial Issue

ETUDE DE LA COMPOSITION D'UN ORDRE INVERSE: HYPOTHESE SUR LA COORDINATION DE DEUX SOURCES DE CONTROLE DU RAISONNEMENTBODER A.1978; ARCH. PSYCHOL.; CHE; DA. 1978; VOL. 46; NO 178; PP. 87-113; ABS. ENG; BIBL. 9 REF.Article

The relationship of spatial concept development to the acquisition of locative understandingWANSKA, S.The Journal of genetic psychology. 1984, Vol 145, Num 1, pp 11-21, issn 0022-1325Article

Assessing concrete operational reasoning strategies in preoperational childrenGOLOMB, C; MCLEAN, L.The Journal of genetic psychology. 1984, Vol 145, Num 2, pp 195-208, issn 0022-1325Article

Differential results of instruction at the preoperational/concrete operational transitionPASNAK, R; HANSBARGER, A; DODSON, S. L et al.Psychology in the schools. 1996, Vol 33, Num 1, pp 70-83, issn 0033-3085Article