Relationships between concepts can be a theory, proposition, or hypothesis. One example in daily life, in the past the concept of our family is in education between “theory” with “methods”. We often encounter in recent times, the tendency to see science only as a product, less attention to the process of science, research skills provision is necessary. Therefore, research and science are two sides of the “single currency”, which may not be separated from each other. Just as the “theory” with “methods”. By trial and error eventually someone will see the truth, however, that obtaining truth nor scientific because it is still classified as a mere guess. Basing Authority often happens, someone with an educated opinion propositions, or even new theories.