Examlex
It is not uncommon for three-, four-, and five-year-olds to have an imaginary playmate.
Risk Barrier
A hurdle or challenge that must be overcome to achieve a goal, often related to uncertainty or potential losses in business or investment.
Diffusion of Innovation
The process by which a new idea, product, or behavior spreads through a population or society.
Information Sources
Various origins from which data or knowledge can be obtained, including books, internet, experts, or empirical observation.
Psychological Barrier
Mental or emotional resistance that inhibits a person from accepting, understanding, or acting upon a new idea or behavior.
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