Psych2400 chapter 4 Flashcards
why should we care about theories?
- provide a framework for understanding important phenomena
- raise crucial questions about human nature
- lead to a better understanding of children
epigenesis
development = change or differentiation from general to specific.
example: chick embryo development
C.F. Wolff
Theoria Generationis (1759)
Karl von Baer
the Laws of von Baer (1828): general to specific, development is differentiation
developmental science’s explanatory task
Combination of 1. changes in form and function, 2. origin of form & function, 3. Preservation of Form & function
Piaget’s theory
- cognitive development is the refinement and activity of an existing structure
Includes: Assimilation, accommodation, equilibration
- assimilation
process of incorporating experiences into existing cognitive structure.
- accommodation
process by which cognitive structure is modified to fit new experience
- equilibration
maintaining the coherence of cognitive structure in the midst of change.
Piaget’s stages
- sensorimotor: birth of 2 years
- pre-operational: 2 to 7 years
- concrete operational: 7 to 12 years
- formal operational: 12 and older
- sensorimotor stage (birth - 2 years)
infant experiences world through movement and senses, develops schemas, begins to act intentionally, and shows evidence of understanding object permanence.
infants acquire information about the world by sensing it and moving around within it.
objects are just what is experienced through senses and actions (looking, hearing, touching, grasping)
“object permanence”: the idea that objects continue to exist even when they are not visible
- Pre-operational (2-7 years)
child acquires motor skills but does not understand conservation of physical properties. Child begins this stage by thinking egocentrically but ends with a basic understanding of other minds.
child have a preliminary understanding of the physical world
“Theory of mind”: people’s ideas about their own and others’ mental states – about their feelings, perceptions, and thoughts, and the behaviors these might predict.
Piaget would point out that preschool children (who are pre-operational) focus on appearance and static conditions; also, that everyone shares their perspective!
- Concrete operational (7-12 years)
child can think logically about physical objects and events and understands conservation of physical properties.
children learn how various actions or “operations” can affect or transform “concrete” objects
“CONSERVATION”: the notion that properties such as a mass, volume, and number remain the same despite changes in the forms of objects.
- formal operational (12+)
child can think logically about abstract propositions and hypotheticals.
people can solve nonphysical problems; they can think logically about abstract concepts
especially in adolescence but continuing into adulthood, formal operational thinking may be limited to domains or areas of special interest or expertise.
During the formal operational stage, people have the capability of solving hypothetical problems and deducing consequences. They also are mature enough for moral reasoning.
Summary of Piaget’s cognitive development
- goal: determine the logical sequence in which cognition must develop
- defined stages by abilities in tasks that demonstrated specific capacities that were required to enter next stage
- cognition is at first sensory-motor experience and is shaped by action