Left-Hand Column
Updated 2026-08-15
INTRODUCTION
English translation pending.
CORE DEFINITION
The left-hand column is a reflection tool from Chris Argyris's organizational learning theory. You write the conversation that actually happened on the right side of the page, and on the left you write what you were thinking but did not say, the hidden assumptions, judgments, and feelings. Its purpose is subtext mining: communication often fails because the poison in the left-hand column was never discharged, and reading it shows how your own assumptions misread the other person and how you censored yourself.
SCAFFOLDING EFFECT
Reduce cognitive load
- Write both columns: record what was said and what you thought, side by side. - Mine the left: find the assumption underneath each unsaid thought. - Check it out: test the left column against the other person instead of against your own story.
Anchor fast decisions
The gap between what is thought and what is said is where misunderstanding lives, and it stays invisible as long as only one column exists. Laying the two side by side exposes the inference chain between them, so the assumption can be examined instead of silently acted on, which is what turns a monologue into a dialogue.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- wiki.mbalib.comhttps://wiki.mbalib.com/wiki/%E5%B7%A6%E5%8F%B3%E6%89%8B%E6%A0%8Fverified
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