Every time a mom gives her 18-month-old infant a snack she hand-signs "thank you" to teach the toddler to say thank you when receiving her snack. This leads to the child displaying the same hand sign every time the toddler wants a snack but not after receiving it. How might a behaviorist explain this?

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The Answer of Every time a mom gives her 18-month-old infant a snack she hand-signs "thank you" to teach the toddler to say thank you when receiving her snack. This leads to the child displaying the same hand sign every time the toddler wants a snack but not after receiving it. How might a behaviorist explain this?

Every Time a Mom Gives Her 18-Month-Old Infant a Snack