1) The document discusses language relativity and how speakers of different languages have different cultural worldviews due to differences in their linguistic and discursive practices.
2) Research in linguistic anthropology, language socialization studies and cultural psychology examines how language use shapes aspects of thinking and cultural understandings. Contextualization cues in language link what is said to cultural perceptions and interpretations.
3) Applying the concept of language relativity to research in second language acquisition can provide insights into how language learning is influenced by one's native language and culture. It avoids treating cultures as monolithic and recognizes individual and social variation.