Examlex
How many orbitals are contained in the n = 2 level? Give the l and ml values of each of them.
Egocentrism
The inability to understand or assume any perspective other than one's own.
Habituation Technique
A method used to reduce reactions to repeated stimuli by exposing the subject to the stimulus over time until the response diminishes.
Object Permanence
The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled or sensed in any way).
Jean Piaget
A Swiss psychologist known for his pioneering work in child development and his theory of cognitive development.
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