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Home Q & A Board Science-Related Homework Help Psychology Developmental Psychology
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Ayeaye Ayeaye
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9 years ago
Longitudinal research by Tomlinson-Keasey and colleagues on concrete operations tasks has demonstrated that
a.   conservation tasks are fully developed in the preschool years.
b.   the concrete operations stage does not begin until age 8.
c.   cognitive development occurs in spurts.
d.   most conservation tasks do not develop until formal operations.
e.   horizontal decolage occurs only in preoperational thoughts.
Textbook 
The Developing Child

The Developing Child


Edition: 13th
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TinklerTinkler
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9 years ago
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Ayeaye Author
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#2
9 years ago
How do you know so much! You're some kind of genius lol Thank you
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#3
9 years ago
You're welcome Wink Face
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#4
8 years ago
What did u get?
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