17 terms

D2, understanding of number

developmental lecture 2, understanding of number
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Terms in this set (...)

innatist/nativist, god, or similar process, places innate ideas and principles in the human mind
What was Descarted viewpoint
Empiricist, human mind at births a tabula rasa, nothing beyond experience
what was John Lockes viewpoint
abstract; is is not a physical object or property of. it it the property of a set that can have any type of member
Define numerosity
when they understand the one-to-one correspondence principle, that sets of things have numerosity and that manipulation affects it, sets don't need to be visible, and can recognise small numerosities (subitising)
when will a child understand numerosity
being able to instantly recognise small number
what is subitising
constructivist, children have no mathmateical ability until they are old enough to have elements of logical reasoning
what is Piagets approah
reasoning transitively, understanding conservation, to abstract away from perceptual properties of things in a set
(Piaget) what is numerosity built on
infants have some understanding of number
what does Butterworth say
from evolution, animal research, neuropsychological evidence, prelinguistic infants
what is nature's viewpoint
brains treat numbers and words differencetly (parietal lobe)
what is butterworths neuropsychological argument
habituation technique, or surprise test procedure
how can we test numerical ability in infants
perceptual and cognitive development in infants
what does the habituation technique investigate
image projected, they look attentive, when attention waivers they are 'habituated' stimulus turned off, if same presented again they look but for shorter. continues until looking time decreases to prespecified crierea
what is the habituation procedure
each trial there was dishabituation with change of number
what did starkey, spelke and gelman find with habituation technique
surprise test
what did Karen Wynn do
infants can mentally represent different numbers and have procedures for manipulating them to get further numerical information, infants can detect change in nunmerosity when things are added or taken away
what is the susprise test based on
object in case, covered by screen whilst second object added, hand leaves empty, screen drops, revals two objects OR screen drops revealing one still, observe reaction
what is the surprice test (wynn)