# Guides

## Get practical guides on the best CX and Voice of the Customer tactics and strategies

**What Is Sentiment Analysis? A Complete Guide**  
Stop guessing how your customers feel. Discover how sentiment analys...
[Mikhail Dubov](https://mailto:api@chattermill.com/blog/what-is-sentiment-analysis-a-complete-guide)

**What Is User Experience Analysis and Why Does It Matter?**  
Uncover the "Why" behind user behavior. Learn how to combine behavioral metrics with AI-powered qual...
[Mikhail Dubov](https://mailto:api@chattermill.com/blog/what-is-user-experience-analysis-and-why-does-it-matter)

**What-If Analysis: A Complete Guide for CX Professionals**  
Stop guessing and start modeling. Learn how to use What-If Analysis to project the ROI of CX initiat...
[Mikhail Dubov](https://mailto:api@chattermill.com/blog/what-if-analysis-a-complete-guide-for-cx-professionals)

**How to Find the Root Cause of Your Product NPS Declines**  
Stop guessing why your NPS dropped. Learn to unify feedback, use AI to surface root causes, and turn...
[Mikhail Dubov](https://mailto:api@chattermill.com/blog/how-to-find-the-root-cause-of-your-product-nps-declines)

## Lyra AI: addressing concerns about AI adoption

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## Quick-start guide for Lyra AI

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## Why Lyra AI comes out on top when comparing AI platforms for text analysis

## The strategic and tactical divide in CX: how we built Lyra AI to bridge the gap

## Lyra AI uncovered: what customers always ask

## Everything you need to know about Lyra, the breakthrough AI technology for customer experience

## The essential guide to Experience-Led Growth (XLG)