In this article, the authors describe how Open Architecture Curricular Design is a preferable strategy to fixed Business English curricula offered by traditional providers such as Cambridge English and Berlitz. The authors cite three cases in which OACD, used in blended learning platforms, makes language learning effective. They include (1) Online Safety English, a program designed for nonnative English-speaking agribusiness employees; (2) Boardroom English® designed for senior corporate executives; and (3) The Business Trip, a virtual reality unit designed for the needs of corporations who send their employees abroad. They posit that the use of OACD is a strategy to boost the proficiency levels of B1 business practitioners, agronomists, and engineers to C1, the level required by many multinational corporations.

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