11 years: According to Piaget, children at this stage can perform formal operations, think abstractly, analyze, judge, reason, deduce, consider problems not related to reality, apply rules to things, and combine rules and generalize {combinative structure}. They can think about thinking, possibilities, self, future, and things not in experience.
11 years: Boys start to show interest in girls {sex development, 11 years}.
11 to 14 years: Brain-wave pattern is like adult {brain development, 11 to 14 years}.
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Date Modified: 2022.0225