What is Comprehensible Input? (CI) @polyMATHY_Luke
What is Comprehensible Input? (CI)  @polyMATHY_Luke
Uploaded May 2025 | Updated September 2026, 2 weeks ago
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What is Comprehensible Input, called CI for short? This theory, developed by Stephen Krashen, is understood less well than many seem to purport. In this video I'll show you the difference between incomprehensible and comprehensible input, and give teachers a way to start using CI in the classroom.

Read more from Stephen Krashen himself here: sdkrashen.com/content/articles/case_for_comprehensible_input.pdf

And on his website: sdkrashen.com

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What is Comprehensible Input? (CI)

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