# Talking With Stephen Krashen: How Do We Acquire Language? Source: https://www.youtube.com/watch?v=_VYfpL6lcjE Recap page: https://rapidrecap.app/video/_VYfpL6lcjE Generated: 2026-01-09T14:05:50.809+00:00 --- ## Quick Overview Dr. Stephen Krashen's core contribution to language acquisition is the Input Hypothesis, which states that language is acquired subconsciously solely through understanding messages, known as comprehensible input, while conscious learning (like studying grammar) only serves as a monitor or editor for output. **Key Points:** - Language acquisition happens subconsciously through comprehensible input; speaking, studying, or memorizing lists do not cause acquisition. - Krashen distinguishes between 'acquisition' (subconscious) and 'learning' (conscious knowledge about language), noting the brain is not good at learning. - Early research into the order of acquisition of grammatical morphemes showed that in testing situations, the natural order changed, suggesting conscious learning interfered with acquisition. - Output functions as a result, not a cause of acquisition, and immersion programs only work well if they provide substantial comprehensible input, as demonstrated by Krashen's own positive experience in Austria. - Krashen supports Steve Kaufman's advice: "don't worry about making mistakes when you talk nobody cares," emphasizing input and enjoyment over conscious correction. - The widespread adoption of the Input Hypothesis is hindered because its acceptance represents a "financial disaster" for the entire language publishing industry. - Fossilization may relate to a "success phobia" or output filter where speakers avoid using their full competence because they do not feel they are members of the target language 'club.' **Context:** The video features an interview between the host and Dr. Stephen Krashen, originator of the Input Hypothesis, a fundamental concept in language learning methodology. The discussion centers on Krashen's thesis regarding the distinction between language acquisition and language learning, tracing the historical development of his ideas, which predate his formal work and were influenced by researchers like Frank Smith and Kenneth Goodman in the field of literacy. ## Detailed Analysis Dr. Stephen Krashen asserts that language acquisition occurs exclusively through receiving and understanding comprehensible input, emphasizing that conscious study or practice speaking does not lead to acquisition; rather, grammar and vocabulary knowledge result from sufficient input. He differentiates acquisition, which is subconscious, from learning, which is conscious knowledge about rules, noting that educational systems historically focus too much on the latter, leading to what he found to be a torturous experience learning French. Krashen credits others like Frank Smith and Leonard Newmark for similar early ideas, noting serendipitous connections with them. His hypothesis on two distinct systems was solidified by research showing that the natural order of morpheme acquisition changed in testing situations, indicating conscious learning was interfering. He explains that conscious monitoring during speech requires knowing the rule, focusing on form (unnatural in conversation), and having time—conditions usually only met during a grammar test. Krashen views output as a result, not a cause, and is skeptical of output-heavy methods like immersion unless they provide rich input; he cites his successful Spanish practice with Fidel at the supermarket, where the input (Fidel responding in kind) drove acquisition. He further suggests that achieving native-like accent or perfection (fossilization) might be tied to 'club membership,' where speakers lack the comfort or identity to fully utilize their acquired competence without self-monitoring, referencing Peter Ustinov's inability to perfectly replicate accents in real life. ### Core Theory - Acquisition vs. Learning: Language is acquired subconsciously only via comprehensible input (understanding messages) - Conscious learning is knowing about the language and acts only as a monitor/editor - Grammar study is the result of acquisition, not the cause. ### Historical Development - Krashen was not the originator, citing Frank Smith and Kenneth Goodman in literacy - Research on morpheme acquisition order showed differences between testing and free talking, leading to the two-system hypothesis. ### Role of Output and Fluency - Output is the result, not the cause of acquisition; output can only help indirectly via interaction leading to more input - Early output based on learned rules risks building bad habits, though Krashen suspects real input eventually drowns this out. ### Fossilization and Accent - Fossilization may be linked to 'success phobia' or failing to join the 'club of speakers' - Peter Ustinov's experience suggests perfect imitation requires finding the persona inside ('method acting'), which is difficult. ### The Power of Input - Self-selected pleasure reading is the secret for both first and second language acquisition - Input must be compelling, interesting, and ideally make the learner forget they are studying a foreign language. ### Financial Barriers to Acceptance - Widespread acceptance of the Input Hypothesis is blocked because affirming it would be a financial disaster for the entire language publishing industry, making existing grammar-based books obsolete.