Cognition

1. Piagetian terms

1.1. circular reaction

1.1.1. opening and closing doors

1.2. Means-end behavior

1.2.1. opens door' you close and latch it, he then try's to open it again with no luck so he jiggles the latch till it opens

1.3. Object permanence

1.3.1. you hind a bear while sam watches then he opens the lid and scopes out the bear

2. two critiques of Piaget

2.1. infant cognition develops gradually

2.2. babies "know more" then he though