Ideal integration platform
The Observer XT
The Observer XT is the most complete software for behavioral research. Supporting you from coding behaviors on a timeline and unraveling the sequence of events to integrating different data modalities in a complete lab.
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Code behaviors in a quantitative way and visualize them on a timeline
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Automatically synchronize multiple data streams
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Calculate statistics and assess reliability








Trusted by researchers around the world

At the core of your lab
The Observer® XT is the engine of your lab. Code behaviors accurately on a timeline, from one or multiple videos, include audio, integrate data modalities such as eye tracking or emotion data, and visualize and analyze your results all together.
Would you like to learn more? Read the reasons why The Observer XT is the best software tool for a human behavior lab.

"The Observer is a crucial component of our research. It allows us to analyze data with the level of efficiency, detail, accuracy, and precision that's required for behavior analysis in psychological research."
Mrs. B. Gamber|University of Texas, USA
Data integration

Synchronization is key to understanding behavior
Coding behavior

Save time and speed up your work
Data visualization

All your data streams in one clear overview
Analyzing behavior

Reliable results and high publication power
Reliable results for publication
Using The Observer XT, the GOLD STANDARD for coding and analyzing behavior, will higher the probability that the results of your study will be published in a high impact paper.
The Observer XT is already mentioned in more than 15,000 publications across behavioral research domains, cited as thé research tool!

Ideal data integration platform
Data synchronization is vital when studying time relationships. The Observer XT is especially designed to synchronously playback multiple modalities, such as video, screen captures, location data, physiological signals, eye tracking data, and facial expression data.
Use The Observer XT to get complete insight in behavior and physiology and take advantage of fully integrated equipment.
Free white paper
Integrating multiple data streams
To get a more complete picture of the phenomena that you are studying, combining different types of data will benefit your research. The Observer XT allows you to import, synchronize, and analyze data from many different streams, such as eye tracking, facial expressions, and physiology.
This free white paper will show how logged events can be combined and synchronized with external data by using The Observer XT.

"The integration of FaceReader, The Observer XT, and psychophysiological data collection makes research programs possible at locations and within timetables that increase opportunity, quality, and efficiency."
Dr. C. Barton|Davidson College, USA
Facilitating data integration
Prof. Julien Mercier from L'Université du Québec à Montréal, Canada is studying educational research. His lab is looking at refined brain information over time, involving the cognition and the affect of the learner. The Observer XT is used as integration platform.
Watch the video to learn why he chooses Noldus' tools.
Find more customer success stories, product videos, and white papers on the resources page.
Relevant blogs

Observing behavior - Jury deliberations, what happens behind closed doors
Researchers increasingly study what goes on behind closed doors. Thirty mock-jury deliberations were filmed and behaviors were then coded using The Observer software.
Simulation-based training – it’s just like the real thing!
By conducting training sessions, students in a simulation lab develop and maintain knowledge, skills, and competencies such as interviewing skills, working with certain equipment, and teamwork procedures.