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A researcher wants to find out if rats are better at completing a maze more quickly when their trainers are told that they are "maze-bright" rats vs. Those who are told that they are "maze-dull" rats. Whether the trainer is told the rat is "maze-bright" or "maze-dull" is which type of variable? O Extraneous variable O Independent variable O Dependent variable O Confounding variable
Sagot :
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