A study in which a researcher manipulated the amount of smoke inhaled by laboratory rats and subsequently observed their rates of lung cancer would be an example of a ______ design,and a genetic predisposition to cancer in this research would be an example of a(n) ______ variable.
A) correlational; dependent
B) correlational; extraneous
C) true experimental; dependent
D) true experimental; extraneous
Correct Answer:
Verified
Q2: Gathering data from a 50-year-old census report
Q3: Which research design involves manipulation of variables?
A)
Q4: Independent variables usually have at least _
Q5: With respect to data collection,which is true?
A)
Q6: With respect to data collection,what is true?
A)
Q7: In constructing surveys,it is generally advisable to
A)
Q8: A measurement that accurately reflects the meaning
Q9: A pilot study was carried out in
Q10: A person's income and favorite color are
Q11: Researchers attempt to rule out possible biasing
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