Multiple Choice
While studying the impact of nutrition on intelligence, a researcher has one group of rats on a vitamin-rich diet and the other group eating Big Macs. While observing the rats run a complicated maze, the researcher notes that the vitamin-enhanced rats' maze is more brightly lit than the Big Mac rats' maze. The difference in lighting in this study is a(n) _________.
A) confound
B) independent variable
C) dependent variable
D) hypothesis
Correct Answer:
Verified
Correct Answer:
Verified
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