Examlex
Sometimes respondents' answers need to be assigned opposite values through a process called cross-validation.
Object Permanence
The understanding that objects continue to exist even when they cannot be seen, heard, or touched, a concept developed in early childhood.
Mental Symbols
Representations in the mind that stand in for objects, concepts, or actions, allowing individuals to think, remember, and solve problems.
Pretend Play
Pertains to imaginative play where children create scenarios and roles, demonstrating creativity and the ability to symbolize abstract concepts.
Substage 6
The final phase of Jean Piaget's sensorimotor stage of cognitive development, where infants aged about 18-24 months start to develop symbolic thought and mental representation.
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