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these different objects or these blocks
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these different objects or these blocks
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these different objects or these blocks
and these walks looked perceptually
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and these walks looked perceptually
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and these walks looked perceptually
identical in terms of size and shape
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identical in terms of size and shape
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identical in terms of size and shape
there were different colors so infants
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there were different colors so infants
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there were different colors so infants
could individuate them and keep track of
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could individuate them and keep track of
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could individuate them and keep track of
them
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them
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them
but what varied from trial to trial was
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but what varied from trial to trial was
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but what varied from trial to trial was
exactly how much the objects weight so
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exactly how much the objects weight so
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exactly how much the objects weight so
they range from being the weight of a
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they range from being the weight of a
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they range from being the weight of a
typical bath toy to being quite heavy so
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typical bath toy to being quite heavy so
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typical bath toy to being quite heavy so
infants could lift the heaviest blocks
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infants could lift the heaviest blocks
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infants could lift the heaviest blocks
but they're pretty effortful in order
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but they're pretty effortful in order
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but they're pretty effortful in order
for infants to be able to lift them
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for infants to be able to lift them