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.
As nouns the difference between redox and disproportionation is that redox is (chemistry) a reversible process in which one reaction is an oxidation and the reverse is a reduction while disproportionation is (chemistry) a form of redox reaction in which part of a reactant is oxidized and part of it is reduced simultaneously.