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pentapenguin pentapenguin
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9 years ago
Three-month-old Lionel loved to suck on his fingers. He was quite fond of putting his fingers into his mouth and then pulling them out only to look them over for a minute or two before putting them back into his mouth. He repeated this behavior over and over. Lionel’s behavior with his fingers illustrates a
a.  simple reflex.    c.  secondary circular reaction. b.  primary circular reaction.    d.  tertiary circular reaction.
Textbook 
Child Development: A Topical Approach

Child Development: A Topical Approach


Edition: 1st
Author:
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danielle2018danielle2018
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9 years ago
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pentapenguin Author
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8 years ago
Thank you so much!
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8 years ago
My research paid off!
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