FACTOR STRUCTURE OF FORMAL OPERATIONS

[1] FLAVELL JH, 1963, DEVELOPMENTAL PSYCHO

[2] Guilford J. P., 1967, NATURE HUMAN INTELLI

[3] HUGHES MM, 1965, THESIS U LEEDS

[4] Inhelder B, 1958, GROWTH LOGICAL THINK

[5] SOME CONTRIBUTIONS TO MAXIMUM LIKELIHOOD FACTOR ANALYSIS [J]. PSYCHOMETRIKA, 1967, 32 (04) : 443 - &

[6] SOME ASPECTS OF A STUDY OF GIFTED CHILD [J]. BRITISH JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1967, 37 (JUN) : 201 - 208

[7] A FOLLOW-UP-STUDY OF INHELDER AND PIAGETS THE GROWTH OF LOGICAL THINKING [J]. BRITISH JOURNAL OF PSYCHOLOGY, 1961, 52 (02) : 143 - 153

[8] LOVELL K, 1966, MATH TEACHING, V37, P5

[9] MORF A, 1957, ETUDES EPISTEMOLOGIE, V3, P173

[10] OBRIEN TC, 1968, AM EDUC RES J, V5, P531

[1] FLAVELL JH, 1963, DEVELOPMENTAL PSYCHO

[2] Guilford J. P., 1967, NATURE HUMAN INTELLI

[3] HUGHES MM, 1965, THESIS U LEEDS

[4] Inhelder B, 1958, GROWTH LOGICAL THINK

[5] SOME CONTRIBUTIONS TO MAXIMUM LIKELIHOOD FACTOR ANALYSIS [J]. PSYCHOMETRIKA, 1967, 32 (04) : 443 - &

[6] SOME ASPECTS OF A STUDY OF GIFTED CHILD [J]. BRITISH JOURNAL OF EDUCATIONAL PSYCHOLOGY, 1967, 37 (JUN) : 201 - 208

[7] A FOLLOW-UP-STUDY OF INHELDER AND PIAGETS THE GROWTH OF LOGICAL THINKING [J]. BRITISH JOURNAL OF PSYCHOLOGY, 1961, 52 (02) : 143 - 153

[8] LOVELL K, 1966, MATH TEACHING, V37, P5

[9] MORF A, 1957, ETUDES EPISTEMOLOGIE, V3, P173

[10] OBRIEN TC, 1968, AM EDUC RES J, V5, P531