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efi efi
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6 years ago
Even if age is positively correlated with speed of cognitive processing, we cannot conclude that age caused this increase because
 
  a. response speed is not usually affected by age.
  b. age normally causes a decrease in cognitive speed.
  c. only experimental studies can demonstrate cause and effect relationships.
  d. only correlational studies can demonstrate cause and effect relationships.
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yuhiyuhiyuhiyuhi
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6 years ago
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efi Author
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6 years ago
Thanks for your help!!
Gorgio_De
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Yesterday
Thanks
momochiime
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2 hours ago
Brilliant ツ
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