Baby Alex is lying on his back on a blanket with a musical toy dangling above him. When Alex begins to wave his hands and accidentally touches the toy, it begins to play music. Very quickly Alex learns that when he touches the toy, it plays music. Every time the toy stops, he bats at it with his hand to make the music continue. Which sensorimotor substage is Alex in

Secondary circular reactions

Explanation:

Infants repeat actions that involve objects, toys, clothing, or other persons.

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artists need to create a realistic interpretation so that people in general can relate to the artwork. for a common people, an artist's impression gets increased only if he can create something which would look realistic. an abstract is difficult for a common people to understand whereas if a person can draw a girl with simple pencil sketch and if that looks like a real figure then the latter will be praised more than the former.