Examlex
List all positive integers less than 30 that are relatively prime to 20.
Secondary Circular Reactions
The repetition of actions that produce an interesting effect, part of Piaget's theory of cognitive development in infants, occurring roughly between 4 to 8 months of age.
Simple Reflexes
Inborn automatic responses to certain stimuli that are present from birth, such as the sucking reflex in infants.
Mental Representations
Internal cognitive symbols that represent external reality, allowing individuals to process information and make sense of the world.
Primary Circular Reactions
Repetitive actions focused on the body that infants engage in by chance and then continue because they find them pleasurable, marking a stage in sensorimotor development.
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