SOLITAIRE ILLUSION - ILLUSION OF NUMEROSITY

[1] QUANTIFICATION CONSERVATION AND NATIVISM - QUANTITATIVE EVALUATIONS OF CHILDREN AGED 2 TO 3 YEARS ARE EXAMINED [J]. SCIENCE, 1968, 162 (3857) : 976 - &

[2] Piaget J, 1971, MENTAL IMAGERY CHILD

[3] PICK HL, 1970, CARMICHAELS MANUAL C, V1, P773

[4] Studies concerning the Theory of Shape [J]. PSYCHOLOGISCHE FORSCHUNG, 1923, 4 : 301 - 350

[1] QUANTIFICATION CONSERVATION AND NATIVISM - QUANTITATIVE EVALUATIONS OF CHILDREN AGED 2 TO 3 YEARS ARE EXAMINED [J]. SCIENCE, 1968, 162 (3857) : 976 - &

[2] Piaget J, 1971, MENTAL IMAGERY CHILD

[3] PICK HL, 1970, CARMICHAELS MANUAL C, V1, P773

[4] Studies concerning the Theory of Shape [J]. PSYCHOLOGISCHE FORSCHUNG, 1923, 4 : 301 - 350