Which of the two is an independent variable? A. Students undergo blended learning in English subject. B. Students who undergo blended learning have improved grades in an English subject. Explain your answer in complete sentence.
A. Students undergo blended learning in English subject is the independent variable.
The independent variable is the factor that is manipulated or changed in an experiment to observe its effects on another variable. In this case, "students undergo blended learning" represents the condition being tested, while "improved grades in an English subject" is the dependent variable, as it is the outcome that is measured to see if it is affected by the independent variable.