You recently were watching your nephew, who is 13 years old, try to figure out why his bike's gears won't work. You were fascinated by the systematic problem-solving strategies that he is using

You remember just a few months ago he would not have been able to perform at this level of hypothesis testing, but would have most likely tried random solutions haphazardly. According to Piaget, what type of reasoning is he using?
hypothetical-deductive reasoning
working backwards
working in subgoals
random operations

hypothetical-deductive reasoning

Psychology

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Which form of treatment for certain mental disorders produces retrograde amnesia?

a. free association b. systematic desensitization c. electroconvulsive therapy d. forced cold baths

Psychology

Research has confirmed that people addicted to drugs may die of an overdose even when they have taken less than their normal dosage of a drug

a. true b. false

Psychology