The 3,000-Word Ceiling: Why Daily Conversation Is Not Enough
Conversation builds fluency for common situations, but precise and professional expression requires structured input and deliberate writing.
The Vocabulary Iceberg and Why Just Chatting Is Not Enough
Why speaking feels harder than reading, and how narrow writing helps move words from passive understanding into active use.
Output Hypothesis for Real Communication
Merrill Swain's Output Hypothesis explained in practical terms: output reveals gaps that input alone cannot fix.