An intervening variable facilitates a better understanding of the relationship between the independent and dependent variables when the variables appear to not have a definite connection. They are studied by means of operational definitions and have no existence apart.
Difference between Microevolution and Macroevolution. â¢ Micro evolution refers to visible changes in a population of the same species over a period of time. â¢ Macroevolution is what evolution is as described by the theory of evolution by Darwin.
While the therapy is similar the difference is in the delivery method and power. The higher power of Magna Wave provides shorter treatment times and immediate results. What actually happens during a treatment? The blood oxygen is increased, lymphatic system is activated and acupuncture points are stimulated.