Stage theories
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propose that development occurs in a progression of distinct age-related
stages, much like the butterfly example
Method
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, Largest-ever longitudinal study of imitation
106 newborns tested at 1, 3, 6, and 9 weeks of age
Infants were shown nine social models and two non-social models
Experimenter modeled each target gesture for 15 seconds (5 times at 3
second intervals) then held a passive position for 15 seconds
Method and coding
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Testing sessions were videotaped
Infants' responses were coded by two independent scorers, one unaware
of the aims of the study
The number of target gestures infants produced towards each models was
coded
Compared the frequency of infants' behavior that matched the model with
the frequencies of that same behavior in response to 10 different control
models
when do babies begin to crawl?
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7 mo and 9 mo is actually crawling
The fact that the brain can be affected by experience is known as:
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, plasticity
Color perception
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cones are also responsible for color vision, infants have poor color vision
but it develops rapidly (2-3 months) (4 years they are like adults)
Experimental designs
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If children exposed to one experience (experimental group)
and children exposed to a different (or no) experience
Dose response relation
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the greater the fetus' exposure to a potential teratogen, the more likely it is
that the fetus will suffer damage and the more sever any damage Is likely to
be
Longitudinal study
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involves following a group of children over a substantial period (usually at
least a year) and observing changes and continuities in these children's
development at regular intervals during that time
Ex - how popularity changed from age 7 to 12
Microgenetic
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the same children are studied repeatedly over a short period
specifically designed to provide an in-depth depiction of the processes
that change (unlike other 2 which are broad outlines of change)
ex- counting on strategy
sitting over gap
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won't cross
Polygenic phenotypes
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many different genes contribute to them
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propose that development occurs in a progression of distinct age-related
stages, much like the butterfly example
Method
Give this one a try later!
, Largest-ever longitudinal study of imitation
106 newborns tested at 1, 3, 6, and 9 weeks of age
Infants were shown nine social models and two non-social models
Experimenter modeled each target gesture for 15 seconds (5 times at 3
second intervals) then held a passive position for 15 seconds
Method and coding
Give this one a try later!
Testing sessions were videotaped
Infants' responses were coded by two independent scorers, one unaware
of the aims of the study
The number of target gestures infants produced towards each models was
coded
Compared the frequency of infants' behavior that matched the model with
the frequencies of that same behavior in response to 10 different control
models
when do babies begin to crawl?
Give this one a try later!
7 mo and 9 mo is actually crawling
The fact that the brain can be affected by experience is known as:
Give this one a try later!
, plasticity
Color perception
Give this one a try later!
cones are also responsible for color vision, infants have poor color vision
but it develops rapidly (2-3 months) (4 years they are like adults)
Experimental designs
Give this one a try later!
If children exposed to one experience (experimental group)
and children exposed to a different (or no) experience
Dose response relation
Give this one a try later!
the greater the fetus' exposure to a potential teratogen, the more likely it is
that the fetus will suffer damage and the more sever any damage Is likely to
be
Longitudinal study
, Give this one a try later!
involves following a group of children over a substantial period (usually at
least a year) and observing changes and continuities in these children's
development at regular intervals during that time
Ex - how popularity changed from age 7 to 12
Microgenetic
Give this one a try later!
the same children are studied repeatedly over a short period
specifically designed to provide an in-depth depiction of the processes
that change (unlike other 2 which are broad outlines of change)
ex- counting on strategy
sitting over gap
Give this one a try later!
won't cross
Polygenic phenotypes
Give this one a try later!
many different genes contribute to them
