Baby jimmy's parent places a brand new rattle in his crib, and jimmy immediately picks it up and tries to mouth the rattle. when it shakes, it makes noise. jimmy immediately tries shaking the rattle in different ways to see how the sound changes. he seems to enjoy this activity. piaget would say that this is an example of

This is an example of Substage 3: Secondary circular reactions. This substage includes organizing sensation and new plans. For instance, a kid may suck his or her thumb unintentionally and after that later purposefully rehash the activity. These activities are rehashed in light of the fact that the newborn child discovers them pleasurable.

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