| 单词 | formal operations |
| 释义 | > as lemmasformal operations formal operations n. Psychology (in Piaget's theory) those mental processes characteristic of the fourth and final stage of cognitive development, in which an individual is capable of abstract thought. ΘΚΠ the mind > mental capacity > psychology > developmental psychology > logical mental activity > [noun] > means of structuring possibility formal operations1963 1963 J. H. Flavell Devel. Psychol. J. Piaget iii. 86 The period of formal operations (11–15)... The adolescent can deal effectively not only with the reality before him..but also with the world of pure possibility. 1980 Ann. Rev. Sociol. 6 289 An individual's participation in the modern social world, for example, requires a transition from Piaget's concrete operations to his formal operations stage. 1985 Current Anthropol. 26 619/1 11 yrs. Formal-operations period: Hypothetical-deductive reasoning based on holding variables constant and systematic combinations. < as lemmas |
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