comparative linguistics, formerly Comparative Grammar, or Comparative Philology, study of the relationships or correspondences between two or more languages and the techniques used to discover whether the languages have a common ancestor.

Why is comparative linguistics important?

Linguists traditionally use it to conduct research in the field of comparative linguistics, psychologists use it in the development of the theory of speech activity, methodologists and psycholinguists use it for solving problems related to the content of the learning process and the quality and effectiveness of studies ...

Why is comparative method important?

It sharpens our power of description, and plays a central role in concept-formation by bringing into focus suggestive similarities and contrasts among cases. Comparison is routinely used in testing hypotheses, and it can contribute to the inductive discovery of new hypotheses and to theory-building.