Time spent in this stage
What is 2 years?
This stage lasts till
What is 7 years old?
stage begins at
what is 7 years old?
this stage lasts till
what is adulthood?
Amount of substages
What is 6?
Children represent world discoveries with the use of
what is symbols?
this stage is represented by development of
what is reasoning?
thinking becomes
what is abstract?
Children think with the use of their ___?
What is senses?
what is language?
children become aware of
what is classical hierarchies?
individuals start resembling reasoning of
what is adolescents and adults?
Substages are named after
what is circular reaction?
this stage is the beginning of
what is make-believe-play
children's mental operations are unable to work with
what is abstract ideas?
Third substage
What is secondary circular reactions?
the most fundamental deficiency
what is egocentrism?