Contrastive analysis is a branch of applied linguistics that compares two languages to identify their structural differences and similarities. This can help predict where learners may have difficulties when learning a new language. Contrastive analysis is considered an "interlanguage study" that examines how a monolingual learner becomes bilingual. It focuses on incipient bilingualism rather than established bilingualism. The goal of contrastive analysis is to understand and facilitate the process by which a learner acquires a new language by analyzing the differences between their native language and the target language.