Examlex
Which of the following symbols is used to refer to the sample standard deviation?
Three-mountain Task
A cognitive development assessment where children are asked to choose pictures that represent different perspectives of a model mountain range, testing their ability to understand and differentiate viewpoints.
Egocentrism
The cognitive inability to understand or assume any perspective other than one's own, commonly seen in early childhood development.
Piaget
Swiss psychologist known for his pioneering work in child development and his theory of cognitive development explaining how children acquire knowledge.
Theory of Mind
The cognitive ability to understand that others have beliefs, desires, and intentions that are different from one's own.
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