Knowledge Base
Documentation, guides, and resources for Noldus products.
The Observer
Video playback issues in Observer XT: freezing, pixelation, or wrong orientation
NVivo installation prompt appears when creating an observation in Observer XT
HASP/Sentinel USB dongle driver errors prevent Observer XT from starting
Comparison list UI broken in Observer XT: columns cannot be resized and export fails
Mutually exclusive behavior groups and initial state events: coding behavior in Observer XT
Observer XT license activation errors: license already in use, deactivation needed, or floating license conflicts
CSV external data import fails in Observer XT due to missing milliseconds or incorrect formatting
Upgrading Observer XT license: USB dongle to software-based (SBLK) activation or version upgrade keys
Missing or lost observations after project backup/restore or renaming in Observer XT
Observer XT project or files open as read-only after reinstallation on a new computer
Videos not visible in Observer XT file selection window during import
Observer XT training and support options: Noldus Academy, on-demand webinars, and dedicated training sessions
Observer XT opens an old project version: compatibility between project versions
Observer XT software download and MyNoldus account access issues
Observer XT not responding or freezing when importing FaceReader data
Pocket Observer requires Observer XT running on a computer; USB or software license applies to both
Coding scheme errors prevent observation from starting in Observer XT
How to calculate behavioral code frequencies in Observer XT
Data Profile not filtering behaviors correctly or returning blank results in Observer XT
Observer XT script error on launch in older versions (e.g., v14.2)
Merging observational data from separate Observer XT projects or coding schemes
No zoom function available in Observer XT video panel
How reliability (inter-rater agreement) is calculated for point events in Observer XT
Exporting Observer XT data in interval (time-bin) format for statistical analysis
Exporting external data (e.g., ECG) filtered by annotated task intervals using a Data Profile in Observer XT