In a well-designed experiment, all variables apart from the treatment should be kept constant between what?.
A.
Control group and treatment group.
B.
Independent variable and dependent variable.
C.
Experimental group and non-experimental group.
D.
High level and low level of the independent variable.
In a well-designed experiment, all variables apart from the treatment should be kept constant between:
A. Control group and treatment group.
This ensures that any differences observed can be attributed to the treatment rather than other variables.