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Ch 3&10

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Term
Definition
evolution   the long-term adaptive process, spanning generations, that equips each species for life in its ever-changing natural habitat  
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environment (in genetic context)   refers to every aspect of an individual and his or her  
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genotype   refers to the set of genes that the individual inherits  
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phenotype   refers to the observable properties of the body & behavioral traits  
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polygenic characteristics   characteristics that vary in a continuous way are generally affected by many genes  
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selective breeding   degree individuals within a species differ in any measurable characteristic because of differences in their genes can be modified through this process  
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Epigenetics   hanges in gene function that do not alter its underlying structure of DNA but result in genes being switched on or off in a reversible way  
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artificial selection   refers to human-controlled selective breeding  
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mutations   errors that unpredictably occur during DNA replication resulting in the replica not being identical to its source  
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naturalistic fallacy   the false idea that natural selection is a moral force  
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functionalism   explaining behaviour in terms of what it accomplishes for the behaving individual  
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Distal explanations   explanations at the evolutionary level & statements of the behavior has played in survival/reproduction over evolutionary time  
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Proximate explanations   explanations that deal not with function but with mechanism; they are statements of the immediate conditions (internal & external), that elicit the behavior  
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species-typical behaviors (instinct)   certain characteristic ways of behaving  
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homology   any similarity that exists because of the different species’ common ancestry  
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analogy   any similarity that stems not from common ancestry but from convergent evolution  
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Convergent evolution   occurs when different species, because of some similarity in their habitats or lifestyles, independently evolve a common characteristic  
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inductive reasoning   the attempt to infer new principle/position from observations/facts that serve as clues  
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availability bias   we tend to rely too strongly on info that is readily available & ignore what is less available  
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predictable-world bias   a tendency to see/anticipate order even where it doesn’t exist  
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deductive reasoning   a logical approach where you progress from general ideas to specific conclusions  
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deontic reasoning   reasoning about what one may, should or ought to do  
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insight problems   problems designed to be unsolvable until one looks at them in a different way than usual  
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mental set   a well-established habit of perception or thought  
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functional fixedness   the failure to see an object as having a function other than its usual one  
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Broaden-and-Build theory of positive emotions (Fredrickson, 2001/2006)   negative emotions narrow focus on perception & thought while positive emotions broaden scope of perception & increase creativity  
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intelligence   variable capacity that underlies individual differences in reasoning, solving problems & acquiring new knowledge  
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general intelligence (g)   a common factor measured well by every mental test  
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fluid intelligence   the ability to perceive relationships among stimuli independently of previous specific practice concerning those relationships  
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crystallized intelligence   mental ability derived directly from previous experience  
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inspection time   minimal time that subjects need to look/listen to a pair of stimuli to detect differences  
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heritability   degree to which variation in a trait within a population stems from genetic differences instead of environmental  
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stereotype threat   being made aware of negative stereotypes about ones social group tends to lead to confirmation of the stereotype  
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flynn effect   IQ increase has occurring at a steady rate of 9-15 points every 3 years  
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