Examlex
An optimizing consumer will select the consumption bundle in which the marginal rate of substitution
Piaget's Ideas
The theories of cognitive development proposed by Jean Piaget, emphasizing how children progress through distinct stages of development.
Transitivity
Principle that says if a relation holds between a first object and a second object, and holds between the second object and a third object, then it holds between the first object and the third object. Piaget argued that an understanding of transitivity is characteristic of concrete operational thought.
Logical
Pertaining to the use of reason and systematic thinking to analyze and form judgments.
Seriation
The concrete operation that involves ordering stimuli along a quantitative dimension (such as length).
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