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piggy momma
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Member Since Oct 2018
Location: Canada
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Default Mar 10, 2019 at 07:08 PM
 
They could.

Is it the exact same test normed on two different populations or two different tests each normed on a different population?

Even if it’s the same test normed on two different populations (and therefore VERY culturally biased), if the test is taken twice absolutely there are vairiables that could impact test score each time.
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