Multiple Choice
Ashlee is a researcher interested in whether boys or girls grow more as a result of eating high-protein breakfast cereal. She has a control group from St. Thomas Academy in Boston that eats regular cereal and an experimental group from an all-girls school in Wichita that eats a high-protein cereal. She then measures the growth of each group at three-month intervals. Although Ashlee manipulates variables in her study, it is not a true experiment because it lacks ________.
A) a dependent variable
B) a research question
C) random assignment to groups
D) naturalistic observation
Correct Answer:
Verified
Correct Answer:
Verified
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