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Reducing chatbot latency from 5s to 1s is the threshold for measurable PHQ-9 score improvement in a 4-week trial. Learn how to verify this impact before committing. Independent technical note mirroring the canonical version: https://aimentalhealthadvisor.com/blog/chatbot-latency-5s-vs-1s-how-to-verify-phq-9-impact-in-a-4-week-trial.php
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Brandon Myers (2026) studied this question.
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