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According to the empirical rule, if the data form a "bell-shaped" normal distribution, _______
Percent of the observations will be contained within 2 standard deviations around the arithmetic
Mean.
Formal Operations
The final stage in Piaget's theory of cognitive development, characterized by the ability to think abstractly, reason logically, and manage problems systematically.
Cognitive Development
The process of growth and change in intellectual/mental abilities such as thinking, reasoning, and understanding over the lifespan.
Jean Piaget
A Swiss psychologist known for his pioneering work in child development, particularly his theory of cognitive development.
Cognitive Development
The study of how thinking, problem solving, and intelligence evolve as people grow from infancy through adulthood.
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