The researchers have correlated the anthropological and ethnographical concepts in order to study the variations in linguistics and its social identity (Kallmeyer and Keim 2). In the article, the researchers have discussed different concepts like Linguistic variation as a device for interactional organization and topical organization in discourse. It also signifies the socio-symbolic functions of Linguistic variation. The article is selected as a source because it explains the concepts of linguistic variation in detail with its wide application and impact in socio-cultural setting, communication, and identity. The most important aspect of this source is that for the theoretical content that is described in the article, the researchers have given elaborated examples. It was easy to understand the theoretical concepts when studied in relevance to the given examples. The article is well researched and well drafted with comprehensive knowledge of the concepts. The article also discusses different theoretical concepts that are studied in the class, so it is feasible to correlate the given content with the studied material. Another reason is the credibility and validity of the information that is provided in the article as compared to other web pages or blogs.The other source selected for studying the assigned topic is ‘Identity in Language: An Exploration of the Social Implications of Linguistic Variation’. For studying the implications of linguistic variations on identity, it is important to
understand the concept of linguistic variations and identity separately.