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as coordinates in the three-dimensional core affect space (valence,
aroausal, dominance, VAD). Stable personality traits are taken into
account in the current implementation of COMPLEX in a rather
rudimentary fashion (variable personality traits are currently not taken
into account at all). Depending on the respective personality structure
(NEO-FFI), individual starting points are determined in the VAD space
for the basic mood (Mehrabian, 1996). These anchor points are firmly
located in the VAD space and serve to slowly attract the mood, if
no other emotional response is “active” or influences the mood. The
speed with which the mood is drifted back to this starting value in
⎛
⎞
d
the VAD space is described with the help of the formula
⎜
⎝
⎟
⎠
I
∗
cos
∗
t
m
(spring model:
I
= Starting Intensity,
d
= Spring Constant,
m
= Mass,
Becker-Asano, 2007). The mood is defl ected by the output of the OCC
model (emotions). To do so, the discrete emotions of the OCC appraisal
are fi rst mapped in the VAP space and averaged. Consequently, the
COMPLEX moves both in the discrete and the dimensional space. The
result of the averaging is one single point in the VAD space, which
serves to manipulate the agent's current mood with regard to valence,
arousal and dominance. Taking valence as an example, this is done
as follows: V
mood_new
= V
mood_old
+ neuroticism * V
emotion
. Arousal and
dominance are defl ected accordingly. A high score on the neuroticism
scale, for example, would then lead to a “faster” change of the values
within the VAD space, which means that the individual is emotionally
less stable.
The modular structure of COMPLEX makes it possible to exchange
individual components at any time in new implementations. The OCC
model that is currently used for the appraisal process can be replaced
by implementation of other theories, such as the component process
model (see Figure 2).
It is better to travel alone than with a bad companion. Senegalese
6. Measurements of Emotions, Dispositions
and Various Personality Traits
The component process model makes it possible to describe emotions
and dispositions in the human-companion interaction in a structural
and dynamic manner. This description is initially phenomenological
because neither model contains any formal or statistic descriptions of the
dynamic relationships between the various components in the process.
It is necessary for the operationalization of the individual components
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