Cognitive/Academic Language Proficiency (CALP) is the language ability required for academic achievement in a context-reduced environment. Examples of context-reduced environments include classroom lectures and textbook reading assignments, where there are few environmental cues (facial expressions, gestures) that help students understand the content. CALP is part of a theory of language developed by Jim Cummins, and is distinguished from Basic Interpersonal Communication Skills (BICS).

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Video: BICS and CALP