Examlex
Which one of the following statements is true using α = 0.05?
Siblings
Brothers or sisters; individuals having one or both parents in common.
Preoperational Stage
A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 2 and 7, characterized by the development of language and symbolic thinking but limited in logical reasoning.
Concrete Operations
A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 7 and 12, where children gain the ability to think logically about concrete events.
Jean Piaget
A Swiss psychologist known for his pioneering work in child development, particularly his theory of cognitive development that describes how children develop intellectual abilities.
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