Examlex
The invisible hand concept is:
Teenagers
Teenagers are individuals undergoing the period of development from childhood to adulthood, typically between the ages of 13 and 19.
Holophrase
A single word that is used by infants to express a complex idea, desire, or question, before they start using multi-word sentences.
Private Speech
Self-directed speech that children (and adults) use to guide their own actions and thoughts.
Preferential Looking
A research method used in developmental psychology to understand the preferences of infants, based on the principle that infants will look longer at more interesting stimuli.
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