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piaget
most influential developmentalist of 20th century
framed the questions and provided precursors to many methods we use today
piaget’s theory
basic assumptions:
active child
child learns on their own, not just from others
child is intrinsically motivated to learn
schemas
psychological structures that organize experience into mental categories of related events, objects, and knowledge
change constantly
assimilation
taking in info compatible with what is already known, incorporating into existing schemas
e.g: child sees porpoises swimming in large tank of water, intepreted with the general concept of “fish”
accomodation
changing existing knowledge based on new knowledge; modifying schemas based on experience
e.g: “butterfly” originally bug with big wings, but when learning months, find out that butterflies are a bug with colorful wings
equilibration
balancing assimilation and accommodation to create stable understanding; reorganizing schemas to achieve balance → moves child to next stage
stage theories
these are all characteristics of ______ theories:
discontinuous (qualitatively different)
invariant sequence
hierarchal
domain general: broad applicability
domain general
cognitive processes, learning mechanisms, or skills that apply broadly across diverse types of information and content areas, rather than being restricted to a single specialized task
sensorimotor, preoperational, concrete operational, formal operational
four stages of Piaget’s theory (in order)
sensorimotor
stage where intelligence is expressed through sensory and motor abilities
integration of motor movements with sensory experiences
six substages of sensorimotor stage
modification of reflexes
organize separate reflexes into larger behaviors—centered on own body, repetitive
enviornment is included in rxns
infants lack object permanence
intentional, coordinated behavior
infants gain object permanence
actively explore how objects can be used
mental representations and combinations
preoperational
stage where children gain symbolic representation: both words and objects
egocentrism
centration
egocentrism
part of piaget’s preoperational stage:
difficulty seeing world from others point of view
Piaget’s three mountain task
centration
part of piaget’s preoperational stage:
narrowly focused thought; focus on a single, salient feature of object or event, ignoring other features
e.g problems with conservation (idea that quantities of objects are conserved)
deferred imitation
part of sensorimotor substage: mental representations and combinations
reproducing previously observed action after a delay (from hours to weeks)
A-not-B error
part of sensorimotor substage:
a common cognitive mistake made by infants around 8 to 10 months old where they look for a hidden object in a familiar spot (Location A) instead of a new spot (Location B)
concrete operational
stage where egocentrism declines
logical reasoning
ability to attend to multiple dimensions
no abstract or hypothetical
formal operational
stage where child is able to think abstractly and hypothetically
able to reason systematically about all possible outcomes: e.g → mixing diff. liquids to obtain a blue liquid
not obtained universally (though other stages are)
information processing
alternative theory to piagetism
emphasizes precise characterization of the processes underlying thinking and its development
focuses on: structure of cognitive system and mental operations that underlie behavior
mental hardware
information processing:
built in mental and neural structures that allow mind to operate
e.g. memory, processing efficiency
mental software
information processing:
mental “programs” that are the basis for performing particular tasks
e.g. learning and memory strategies, knowledge
attention
mental process that determines which info an individual processes further
orienting response
habituation
orienting response
when individual views an unexpected or unfamiliar stimulus, she orients to it
habituation
after repeated exposure, individual becomes unresponsive to stimulus
memory
how info is encoded, stored, and retrieved
working (short term) memory
moment to moment
involved in actively attending to, gathering, maintaining, storing, and processing info
e.g. taking notes in lecture
long term memory
autobiographical memory → coherent set of memories about one’s life
e.g. how you spent the summer after HS
executive functioning
control of cognition:
inhibiting tempting actions that are counterproductive
enhancing working memory thorugh strategies (like repeating phone #)
being cognitively flexible (switch b/w concepts; adapt behavior in response to changes)
overlapping waves theory
children do not think or solve problems using just a single strategy at a time → they use a variety concurrently. strategies fall/rise over time
sociocultural theory
mainly associated with Lee Vygotsky
children are social learners and advance most when they collab with others more skilled than them
zone of proximal development
different between what children can do with assistance vs. alone
social scaffolding
more competent people provide a temporary framework that support's children’s thinking at a higher level than children would manage alone
intersubjectivity
often referred to by contemporary theorists
mutual understanding that people share during communication
joint attention
often referred to by contemporary theorists
shared focus of two or more people on same object/event/activity
dynamic systems theory
theory that development is dynamic, it doesn’t progress in stable stages
children are a complex system composed of many individual elements integrated in more or less stable ways
actions shape cognition: e.g. infants own reaching helps them understand others’ reaching actions
concepts
general ideas that organize objects, events, qualities, or abstractions on the basis of some similarity
infinite number of possible ones
allows us to generalize from prior experiences
help us understand the world and act effectively in it
inanimate objects, people, other animals
children typically divide objects into 3 categories, which are:
perceptual categorization
grouping objects by appearances
category hierarchies
beyond infancy, children form ___________
= categories organized in set-subset relations (animal → dog → bichon)
superordinate, basic, subordinate
category hierarchy tiers:
from most general to most specific
basic
in the categorical hierarchy, usually the ____________ is learned first → parents generally label here
baillergeon
disproved Jean Piaget's theory that infants lack object permanence until 8–9 months of age. By utilizing an innovative methodology, she demonstrated that infants as young as 3 to 5 months old already understand that hidden objects continue to exist.
yes
infants understand that objects are solid and cannot pass through one another
yes
do babies understand gravity
yes
do babies believe that things that move togehter are connected?
no
does naive physics complete in infancy?
blicket detector
children are introduced to a custom-built box—the "detector"—that lights up or plays music only when specific objects, labeled as "blickets," are placed on top of it. Researchers place various combinations of uniquely shaped blocks on the machine to show the child which combinations trigger the effect and which do not.
studied casual reasoning and “miniature scientists”
essentialism
the view that living things have an essence inside them that makes them what they are
growth
Internal process, proceeds in one direction until old age
healing
Animate things heal by re-growth; inanimate things must be fixed by humans
no
are preschoolers theories complete?
naive psychology
common sense understanding of other poeple and oneself
theory of mind
understanding that others have mental states that drive their actions
intentions, desires, beliefs
we understand others’ behaviors in terms of (3):
goal directed, prediction
by 6mo, babies understand others behavior is _________, and by 11mo, can _________ the goal
rational imitation
= a cognitive and developmental concept in psychology where infants and young children do not blindly copy every action an adult performs
Gergely et al: infants turned light on with head when hands were free, but when hands were occupied, turned on with hands
3, 4
in the sally anne test, typically a _yo will fail, but a _yo will pass