The Observer XT
Professional behavioral coding and analysis software for research
Founded
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Starting Price
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Category
Analytics & BI
Last updated March 16, 2026
About The Observer XT
The Observer XT by Noldus is the gold standard for behavioral coding, event logging, and analysis in research settings. Used in over 15,000 publications, it enables researchers to code behaviors from live observations or multiple video feeds, synchronize data from eye trackers, physiological sensors, and facial expression analysis, and perform advanced statistical analyses including inter-rater reliability.
Pros & Cons
Pros
- Gold standard cited in 15,000+ publications
- Comprehensive multi-modal data integration
- Advanced statistical analysis built-in
- Inter-rater reliability testing
- Scales from individual to large team research
Cons
Key Features
Behavioral coding from live or recorded observations
Multi-video synchronized playback
Eye tracking data integration
Facial expression analysis
Physiological signal integration
Inter-rater reliability testing
Lag sequential analysis
Descriptive statistics for behaviors
Customizable coding schemes
MediaRecorder for data collection
Multi-coder licensing
Pricing
Essential
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- Code live or from video
- Advanced analyses
- Inter-rater reliability
- Single researcher license
Advanced
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