French Face-to-Face Interaction: Repetition as a Multimodal Resource - Coverbal Synchrony in Human-Machine Interaction - page 163

Figure 7. Pitch curves (Hz) of the utterances produced by speaker A (top) and speaker B
(bottom) in example 3.

This analysis provides a good example of cross-repetition: whereas
one of the participants is repeating the other's gesture, the other
participant repeats the first one's speech in terms of verbal content.
Prosody is matching between the two speakers only in the fact that they
both use compressed span as projecting the end of a conversational
sequence.

5.4 Posture-match: A case of extreme convergence?

The example below illustrates the social role of posture coordination
between participants in a way quite similar to the observations made
by Chartrand and Bargh (1999) and Shockley et al. (2009). It occurs just
after the beginning of an interaction between two female participants.
They have been urged to speak about unusual things that might have
happened to them and at the very beginning of the recording they
were thinking about what to say and each of them was turned away
from the other, looking up while discussing the meaning of the word
“unusual” as illustrated in Figure 8a. At the beginning of example 4,
they both turn their heads towards each other with their chin slightly
raised without changing the orientation of their body (Figure 8b) and
both encourage the other to come up with a narrative.

Example 4
1 A: insolite (0.674) euh si le p- unusual um yes the p-