The document presents a contrastive analysis of spoken English, focusing on differences between native and non-native speaker interviews, highlighting the need for empirical data rather than speculation in linguistics. It outlines research methods, including interviews and analysis of learner language, emphasizing the distinct language patterns expected in academic and conversational registers. The findings suggest that non-native speakers approach the oral proficiency interview register differently than native speakers, often requiring more words and differing in their use of language features.