Examlex
The probability of observing 50 heads in 100 tosses of a fair coin is less likely than observing 500 heads
in 1000 tosses.
Piagetian Development
A theory of cognitive development by Jean Piaget that outlines how children progress through four stages of growth, acquiring key skills and abilities.
Preoperational
A stage in Jean Piaget’s theory of cognitive development where children from about 2 to 7 years old engage in symbolic play but lack operations (logical rules) for consistent reasoning.
Concrete Operational
A stage in Piaget's theory of cognitive development where children (ages 7-11) can think logically about concrete events.
Formal-Operational
Formal-operational stage is a phase in Piaget's theory of cognitive development when individuals gain the ability to think abstractly, logically, and systematically.
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