Further analysis with The Observer XT In The Observer XT you can further analyze your sessions. For example: Carry out a Behavior analysis to obtain quantitative data about your session, like the frequency or the latency of a scored marker. See Calculate Statistics in The Observer XT Help. Add new elements to the Coding Scheme and annotate the Viso videos. See Set up your Project and Carry out an Observation in The Observer XT Help. Select time fragments based on behaviors in the Coding Scheme for further analysis. See Select Data for Analysis in The Observer XT Help.