Examlex
A certain light wave has a frequency of 3 *108 Hz.What is its wavelength?
Centration
A cognitive development term referring to the tendency of children in the preoperational stage to focus on one aspect of a situation while neglecting others.
Piagetian Error
Mistakes made by children that reflect their stage of cognitive development, according to the theories of Jean Piaget; for example, misunderstanding conservation of quantity.
Object Permanence
The understanding that objects continue to exist even when they cannot be observed.
Focus on Appearance
The act of prioritizing or overly emphasizing the way one looks or presents themselves, often influenced by societal standards and perceptions.
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