AP Psychology 5.1/5.2
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Created by:
ezimmerman94 on October 23, 2011
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36 terms
Terms | Definitions |
|---|---|
chromosomes | strands of hereditary material |
genes | control the chemical reactions that direct development |
dominant | single copy of the gene that is sufficient to produce its effect |
XX/XY | female/male |
sex-linked x-linked | genes located on the x chromosomes |
heritability | estimate of the variance within a population that is due to heredity |
multiplier effect | small initial advantage in some behavior, possibly genetic in origin, alters the environment and magnifies that advantage |
mono zygotic twins | develop from a single fertilized egg and therefore have identical genes. |
dizygotic twins | develop from two eggs and share only half of their genes |
temperament | tendency to be active or inactive, outgoing or reserved, and to respond vigorously or quietly to a new stimulus |
interaction | instance in which the effect of one variable depends on some other variable |
evolution | gradual change in the frequency of various genes from one generation to the next |
PKU | inherited condition that leads to mental retardation |
zygote | fertilized egg cell |
fetus | 8weeks after conception |
alcohol syndrome | condition marked by stunted growth of head and body |
habituation | decreased response to a repeated stimulus |
dishabituation | change in a stimulus increases a previously habituated response |
cross-sectional study | compares groups of individuals of different ages at the same time |
longitudinal study | follows a single group of individuals as they develop |
selective attribution | tendency for some kids of people to be more likely than others to drop out of a study |
sequential design | groups of people of different ages, studied at the same time, and then study them again at one or more later times |
cohort | a group of people born at a particular time or a group of people who entered an organization at a particular time |
schema | organized way of interaction with objects in the world |
assimilation | applying an old schema to new objects or problems |
accommodation | modifying an old schema to fit a new object or problem |
equilibrium | establishment of harmony or balance between the two |
sensorimotor stage | first stage. behavior is mostly simple motor responses to sensory stimuli |
object permanence | the idea that objects continue to exist even when we do not see or hear them |
preoperational stage | age 2, a brother knows he has a brother, does not say he's a brother |
operational | reversible mental processes |
theory of mind | understanding that other people have a mind too and that each person knows some things that other people don't know |
conservation | fail to understand that objects conserve such properties as number, length volume, area, and mass after changes in shape or arrangement of the objects |
stage of formal operations | mental processes that deal with abstract, hypothetical situation |
stage of concrete operations | children perform mental operations on concrete objects but still have trouble with abstract or hypothetical ideas |
zone of proximal development | distance between what a child can do alone and what the child can do alone and what the child can do with help |
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