
56 Coverbal Synchrony in Human-Machine Interaction
Politeness
Politeness is one of a number of indicators of the way subjects experience
the system. The difference between system and users in using personal
pronouns and politeness particles was another example for the fi nding
that most users do not try to build rapport with the system on the level
of lexical choices. As with other subgroups of subjects, the following
questions have to be further investigated: Were there differences
in the overall dialog success or failure between the ‘normal’ and
the ‘polite’ users? Were there correlations between user politeness,
socio-demographic data, and ...