cognitive development reserachers you need to know

this word document only has the studies you neeed to know for cognitive development and the is a powerpoint with all the information for cognitive development incluedes A01 and AO2 that goes with the word document

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Researchers I need to know for cognitive development
Researchers names What their study was about and what it has to do with cog
Piaget on object permanence Object permanence
Aim :to find out at what age children develop object perm
Method :he tested children of different ages while the chil
a toy behind the screen he then recorded whether or not th
Results :children up to the age of 8 month didn't look for
hidden .children at age 8months did looked for the toy w
Conclusion: object permanence occur at 8 months howeve
permanence has not full develop because when the toy wa
location the child only looked at where the toy was origin
researchers claimed that object permanence occurred earli
but the children didn't have the motor skills to carry out p
Bower and wishart object Aim: carried out an experiment to find out whether object
permanence earlier than piaget believed
Method :they studied children aged 1 to 4 months the wai
reached for the toy then they switched of the light and usin
see what the child was doing
Results :they found that the child reached for toy up to 90
longer can be seen
Conclusion: this shows us that object permanence does oc
believed however Baillargeon believed that object perman
birth innate
Piaget and Inhelder mountain task Aim :to investigate the age at which children where no lon
when children weren't ego centric Methods: children up to age 4 and 7 were shown a model
mountain one had a hut on the other snow on it and last a
placed a doll at each of this point and asked the children w
the doll could see from the ten pictures given to them.
Results :children under that age of 7 choose the view the c
children at 7 choose the correct picture
Conclusion: children under that age of 7 where ego centric
age of 7 weren't ego centric because they where at they co
and could see form another point of view.
This study has been criticized because the task that was gi
where not only unfamiliar this also caused a lack of motiv
do task correctly.
Hughes and Donaldson a replica of They asked they children to hide the naughty boy doll so t
piaget mountain task except that the see him they found that children at age 3 and a half could
task given to children where familiar because it was based on hide and seek which all children a
to them they where also bale to do the task when they was more th
task. this study was different to piaget because it held a pe
children unlike piaget which didn't at all
Conservation of number Aim :to show at what age children created the skills to con
Method :children where shown two rows of sweets one no
spaced they where then asked whether the tow rows had
counters in it

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Results: children under the age of 7 said that the spaced one had more sweets in it
so they couldn't conserve therefore they where in the pre operation stage while
the children over age 7 gave they correct answer so they where able to conserve
number so therefore in the concrete operation stage .This study has been
criticised because they children didn't understand why the roll of counters has
been changed then assumed because it had more in it.…read more

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Conclusion: the researcher concluded that children could o
systematically when they were in the formal operational s
the age of 11 yrs.
Martorano 1977 Replicated piaget studies in the token task 10%of 17 yrs o
complete it correctly which suggest that not everyone reac
operational stage at the age of 11+ small sample because i
generalised with the general public because not everyone
generalise girls with boys .…read more

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Conclusion :object permanence occurred earlier than piag
babies of the age of 3mnths stared longer at the tall carrot
was meant to appear as it went past the window.
Bee 1997 Claims that there are 4 ways that information processing c
Capacity increases which allow him /her to store more inf
The child becomes aware his /her own cognitive abilities
The child develop rules for solving problems
Efficiency increases so the child becomes more competen
information.…read more


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