Piaget believed that people resolve the formal operational stage by age 15, but some estimates show that percent of adults are capable of complete formal operational thinking.

How did the people of latin america come to speak the language of spanish

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The 6th amendment's guarantee of a speedy and public trial is aimed at a. deterring potential criminals by fear of swift and certain punishment. b. trying those accused of crimes without undue delay and avoiding secret trials. c. eliminating overcrowded dockets in the nation's criminal courts. d. preventing jurors from being unduly influenced by public opinion.