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Author Question: The stage of formal operations can begin at about the ages of ____ or _____ years old. Fill in ... (Read 159 times)

tiara099

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on: Jun 22, 2018
The stage of formal operations can begin at about the ages of ____ or _____ years old.
 
  Fill in the blank(s) with correct word

Question 2

Bowlby, in agreement with ethology, suggested that smiling in the infant:
 
  a. is random until about 6-months of age.
  b. is usually due to gastrointestinal distress.
  c. is unrelated to attachment.
  d. may serve as a stimulus for affection from others.


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cat123

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Reply #1 on: Jun 22, 2018
Answer to Question 1

11; 12

Answer to Question 2

D


tiara099

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Reply 2 on: Jun 22, 2018
Excellent

ghepp

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Reply 3 on: Yesterday
Gracias!

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