Sensorimotor Stage § Around 1 month – all reflexes (grabbing, sucking, rooting, etc) § “Knows” through active interaction with environment § 1 -4 months – objects may not be interesting but action itself is interesting
Sensorimotor Stage § Becomes aware of cause-effect relationships § 4 -8 months – hit something and everything moves. Does it again and again…. § Learns objects exist even when not in view § 8 -9 months – object permanence
Sensorimotor Stage § 12 -18 months – beginning to explore the world. “What happens when I roll this ball? ” § Imitates crudely the actions of others § 18 months – 2 years – talking, walking, beginning to actually do things
Preoperational Stage § Ages 2 -6 years § Very egocentric – Kids believe others see what they see – i. e. mountain problem § Language and mental representations develop
Preoperational Stage § Beginning to understand basic feelings § “Why? ” § Learning basic conversation skills – Talk in turns but not really responding to each other § Objects are classified on just one characteristic at a time
Concrete Operational Stage § Ages 7 -12 years § Develop conservation of volume, length, mass, etc § Learn that things can look the same but still be different (later in stage) § Organizes objects into ordered categories
Formal Operational Stage § Ages 12+ years § Thinking becomes abstract and symbolic § Reasoning skills develop § A sense of hypothetical concepts develop