Examlex
If a null hypothesis is rejected against an alternative at the 5% level,then using the same data,it must be rejected against that alternative at the 1% level.
Formal Operations
The final stage in Piaget's theory of cognitive development, occurring from around age 12 onwards, where individuals develop the ability to think abstractly, logically, and systematically.
Object Existence
A cognitive development concept where an individual realizes that objects continue to exist even when they are out of sight or perception.
Stage-Like Fashion
A manner of development or progression in distinct stages or phases.
Piaget's Theory
A developmental theory created by Jean Piaget that suggests children move through four stages of cognitive development as they grow.
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