Devolopment Matching
secondary circular reaction, 4-8 mos; acknowledges external enviro; actively makes changes in the enviro |
concrete operations phase |
7-11yrs; solves concrete problems; understand relationship such as size/right & left/cognizant of viewpoints |
use of reflexes, birth- 1month |
tertiary circular reaction; 12-18 mos; tries/discovers new goals; rituals are important |
primary circular reaction, 1-4 mos.; perception of events is centered on the body |
4-7yrs; egocentric thinking decreases; thinks of one idea at a time; word express in thoughts |
11-15 yrs; uses rational thinking; reasoning is deductive and futuristic |
2-4 yrs; egocentric approach to accommodate demands of enviro; "everything is ME"; |
Inventions of new means; 18-24 mos; interprets the environment by mental image; make-believe/pretend play |
sensorimotor, preconceptual, intuitive, concrete, formal |
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