19) The best way to determine what cognitive stage a person has reached is by
A) interpreting the person’s scores on a mental ability test. B) knowing the person’s age. C) knowing the person’s rate of development. D) observing how the person solves problems.
Explanation: D) The best way of determining the cognitive stage that a person has reached is to observe how that individual solves problems. The Piagetian stages concern ways of thinking, not particular age levels or levels of intelligence.
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