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
Q1: External validity refers to the
A) degree that
Q3: Shonda and her company have developed a
Q4: Internal validity is:
A) an educated guess or
Q5: External validity is:
A) an educated guess or
Q6: The independent variable in a research study
Q7: Studies that have significant confounds are said
Q9: Of the following, which hypothesis would NOT
Q10: With regard to research design, all of
Q41: A hypothesis is defined as a(n)
A)theory.
B)empirical conclusion.
C)research
Q56: Internal validity is defined as
A)the extent to
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