
Answer:
Independent variable: Â instructional method
Dependent variable : turnaround time  in the submission of accomplished activities among her Grade 12 students
Extraneous variable: students background, students' academic ability, age of the students​
Explanation:
In this study, the independent variable is the instructional method used by the teacher, that is, pure online, pure modular, Â combination of online and modular.
The dependent variable is the turnaround time  in the submission of accomplished activities among her Grade 12 students.
Extraneous variables are those variables that are not carefully controlled but they may  affect the result of the experiment or test. In this case , possible extraneous variables are; students background, students' academic ability, age of the students​