This document provides an analysis of four audio-lingual methods for teaching Russian based on their presentation and assimilation of audial skills. The analysis seeks to establish objective criteria for evaluating audio-lingual methods by examining their treatment of key points such as the parallel development of active and passive skills with emphasis on comprehension and fluent production, as well as their consideration of learner characteristics like native language interference. It also aims to test the hypothesis that not all audio-lingual methods claimed as such are equally successful in satisfying these criteria. The document consists of an introduction outlining its objectives and hypotheses, followed by chapters analyzing the underlying assumptions of audio-lingual approaches and challenges to them, then providing criteria for effective teaching of skills and assimilation