500 Midterm Cummins & Krashen

• Basic Interpersonal Communication Skills
• Typically deals with fairly uncomplicated topics that are familiar to the speaker
• Typically takes about two to three years to acquire

• Cognitive Academic Language Proficiency
• The language ability required for academic classwork
• Typically takes five to seven years to acquire

Language ability is explained by a single,global, underlying factor which he called global language proficiency.

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