Research in which a researcher makes changes in an independent variable and studies their effects on dependent variable under controlled conditions is called as
A. Experimental research
B. Non- experimental research
C. Ethnographic research
D. Analytical research
Answer:A
Research in which a researcher makes changes in an independent variable and studies their effects on dependent variable under controlled conditions is called as
A. Experimental research B. Non- experimental research C. Ethnographic research D. Analytical research