LX Perceptions

Measure what consumers really feel

What consumers write reveals how they feel and evaluate. LX Perceptions turns consumer text into research-grade measures of their emotions and evaluations grounded in marketing theory.

What you can discover

Consumer emotions

Consumers feelings across 16 distinct emotions

Trust and commitment

The consumer relationship strength with products and services

Recommendation

Whether consumers advocate or hesitate

Sentiment

Consumers overall sentiment towards products and services

How it works

1

Prepare your data

Upload a .csv with a consumer-authored text column

2

Upload your file

Select dataset and text column (max 2MB)

3

Select consumer perceptions

Choose emotions and evaluations

4

Receive your results

Secure download link emailed as structured .csv

Try LX Perceptions

Ready to extract insights? Follow our secure multi-step process to upload your data and receive research-grade perception measures.

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How to use LX Perceptions

  • Upload a .csv file with unstructured text
  • Select the specific text column for analysis
  • Verify your email with a secure code
  • One-click, secure processing on our servers

Important Guidelines

  • • Max file size: 2MB
  • • Email verification required
  • • Results stored securely for 7 days
  • • For research & analytical purposes only
Security Verification

Data Security & Privacy

Immediate input file deletion after LX processing is complete

Secure storage of Output File for 7 days, then deleted

Confidentiality (no reuse or sharing)

Research foundations

If you use LX Perceptions in academic research, please cite:

Ludwig, Stephan, Peter J. Danaher, Xiaohao Yang, Yu-Ting Lin, Ehsan Abedin, Dhruv Grewal, and Lan Du. "Extracting Consumer Insight from Text: A Large Language Model Approach to Emotion and Evaluation Measurement." arXiv preprint arXiv:2602.15312 (2026).

→ Read the paper