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Formal operational stage
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Develop the capacity for abstract, systematic, and scientific thinking
no longer require concrete things for thought |
Hypotheico-deductive reasoning
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Start with a hypothesis, deduce testable inferences, and isolate/combine variables
pendulum problem (lengths of string, weight, how high object is raised, how forcefully object is pushed) |
Propositional thought
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Adolescent's ability to evaluate the logic of propositions without referring to real world circumstances
either-or statement is always true , and statement is always false |
Logical necessity
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That the accuracy of conclusions drawn from premises rests on the rules of logic, not on real world confirmation
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Do all individuals reach the formal operational stage?
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Individuals in tribal societies rarely do well on tasks used to asses formal operational reasoning
people think more abstractly ont raks in which they have had extensive guidance |
Information processing view
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Attention becomes more selective
inhibits both irrelevant stimuli and well learned responses strategies become more effective knowledge increases metacognition expands speed of thinking increases |
Deanna Kuhn
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Scientific reasoning
which features of the sports balls influences the quality of the player's serve? color, size, surface texture, ridges |
How scientific reasoning develops
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Greater working memory = more variables can be compared at once
be fair minded rather than self servicing |
Imaginary audience
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Belief that they are the focus of everyone else's attention and concern
explains long hours adolescents spend getting ready |
Personal fable
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Certain that others are observing and thinking about them
they develop an inflated opinion of their own importance view themselves as reaching great heights of omnipotence and also sinking to unusual depths of despair |
Good decision making involves:
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1: identifying pros and cons2: assessing the likelihood of various outcomes3: evaluating one's choice in terms of whether one's goals were met4: learning from mistakes
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Heat of the moment decision making
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Depends on inhibiting "feel good" behavior and the possibility of immediate rewards
brain's emotional/social network tends to prevail short term > long term goals |
Sex differences in verbal abilities
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Girls get higher scores in reading and writing, girls score higher on tests of verbal ability in every country in which assessments have been conducted, girls receive more verbal stimulation early on, girls have a biological advantage in earlier development of the left hemisphere of the cerebral corex
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Percent male undergraduates
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30 years ago it was 60% now it is 42%
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Sex differences in math abilities
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Studies in early school grades is inconsistent, boys outperform girls when it becomes abstract and spatial, among the most capable the gender gap is greater, boys have 2 advantages 1) more rapid numerical memory 2) superior spatial reasoning , boys acquire more specialized computer knowledge
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