One group of students takes the SATs in a quiet room, while another group takes the SATs in a loud, hot room. It is NOT possible to compare scores of the two groups due to
A) the type of measurement scale.
B) systematic measurement error.
C) the type of test the SATs exemplify.
D) comparison error.
Question 2
What is the best way to reduce measurement error?
A) Develop and apply a good operational definition.
B) Use a ratio scale of measurement.
C) Keep the number of participants equal in all groups.
D) Conduct research at the experimental level.
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