Create an account
piaget's first stage (0-2 years) during which the infant experiences the world through senses and action patters progresses from reflexes to object permanence and symbolic thinking
piaget's second stage of cognitive development (2-7 years) during which the child represents and manipulates objects with symbols and is egocentric
seeing the world from one's own perspective; the inability to see reality from the perspective of another person
Concrete Operational Stage
piaget's third stage of cognitive development (7-12 years) during which the child develops simple logic and masters conservation concepts
changes in the form of an object do not alter physical properties of mass, volume, and number
Formal Operational Stages
piaget's fourth stage of cognitive development (12+ years) during which the child begins to think logically about abstract concepts and engages in hypothetical thinking
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together