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Psych - Ch 3
words, people..
24
Psychology
Undergraduate 2
02/13/2009

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Term
behavior geenetics
Definition
the study of the relative power and limits of genetic and environmental influences on behavior
Term
chromosomes
Definition
threadlike structures made of DNA molecules that contain the genes
Term
gene complexes
Definition
many genes acting in concert; influence human traits
Term
2 ways identical twinsa re more similar than fraternal tiwns
Definition
extraversion and neuroticism
Term
temperament
Definition
a person's characteristic emotional reactivity and intensity
Term
heritability
Definition
the extent to which variation among individuals can be attributed to their differing genes; refers to which differences among people are attributable to genes
Term
self-regulating
Definition
genes don't act like blueprints that lead to the same result no matter the context. genes REACT
Term
interactions
Definition
the effect of one factor (sch as environment) depends on another factor (such as heredity)
Term
moelcular genetics
Definition
the subfield of biolgogy that studies the molecular structure and function of genetics
Term
evolutionary psychologitsts
Definition
focus on what makes us so alike as humans; the study of the evolution of behavior and the mind, using principles of natural selction
Term
nurture
Definition
begins at coneceoption with the prenatal environment. after birth, extends into our family and peer relationships and to all other experiences.
Term
pruning
Definition
during puberty massive loss of unemployed connections
Term
culture
Definition
the behaviors, ideas, attitudes, calues, and traditions shared by a group of people and transmitted from one geneeration to the next
Term
norms
Definition
rules for accepted and expected behavior
Term
individualism
Definition
giving priority to one's own goals over group goals and feining one's indentity in terms of personal attributes rather than group identifications
Term
collectivism
Definition
giving priority to the goals of one's gorup, often one's extended family or work group, and defining on'es identity accordingly
Term
Y chromosome
Definition
includes singe gene that throws a master switch triggerng the testes to develop and produce the principal male hormone testosterone
Term
testosterone
Definition
the most important of the male sex hormones; both males and females have it, but the additional testosterone in but the additional testosterone in males stimluates the growth the male sexorgans in the fetus and the development of the male sex characteristics during puberty
Term
role
Definition
a set of expectations (norms) a social position, defining how those in the dposition ought to behave
Term
gender roles
Definition
our expectations about the way me nadn women behave
Term
gender identity
Definition
one's sense of being male or female
Term
gender typing
Definition
the acqusition of a traditional masculine or feminine role
Term
social learning theory
Definition
the theory that we learn social behavior by ovserving and imitating and b being reward or punished
Term
gender schema theory
Definition
the theory that children learn from their cultures a concept of what it means to be male and female and that they adjust their behavior accordingly
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