Language teaching is both a science and an art.As a science,it has its own principles and laws to ensure the operation;as an art,it combines the inspiration,creativity and other affection factors together.To many scholars and language teachers,during their studies on language teaching and linguistics,they adopt many research methods to complement the studies and find some useful ways to improve the language teaching.In this paper,it is aimed to analyze the different methodologies adopted by the two different authors in two papers and make a commentary and evaluation.