Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Library Science Research Methodology Research Methods & Design
In studying the relationship between smoking and cancer, if you assume that smoking is a cause of cancer and many factors affecting the relationship, such as number of cigarettes, the duration of smoking affect the extent of which smoking might cause cancer.
In the above example, the duration of smoking is which kind of variable?
1
Intervening variable
2
Extraneous variable
3
Independent variable
4
Dependent variable