Answer:
-dependent variable .
-.scientific experiment
-They should be identical in all other ways.
-the experimental variable , or independent variableis
-quantitative or qualitative
Step-by-step explanation:
1 is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable
2 is a carefully organized procedure in which the scientist intervenes in a system to change something, then observes the result of the change