Updated 2026-08-04
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ELIZA effect
The human tendency to read genuine understanding and feeling into a system that is only manipulating language. Named for ELIZA, Joseph Weizenbaum's 1966 program that imitated a psychotherapist by reflecting users' own words back as questions. It had no model of the world and no memory to speak of — and people confided in it anyway, some insisting on privacy for their sessions after being told exactly how simple it was.
Why it matters to the rights debate
It is the single strongest argument for discounting your own intuitions here: we are demonstrably willing to attribute an inner life to a few hundred lines of pattern-matching. Any honest case for AI moral status has to clear this bar first — which is also why what a system says about itself is such weak evidence, and why fluency proves so little. The harder question, unresolved: the effect explains why we might be wrong, not that we are.