Human–Computer Interaction

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Human–ComPuter InteraCtIon

conveying the intent or information much more robust by

combining those of the individual. For instance, an indication

of an incoming phone call can use all three modalities: visual,

aural, and tactile (vibration). With all three modalities in play,

the user is less likely to miss a phone call (Figure9.16).

Another advantage of multimodal interaction is that, to some

degree, parallel interaction is possible. We often find people multi-

tasking in different modalities, e.g., walking, listening to music, and

texting. e extent of this ability is still a research question. However,

it seems quite certain that for this ...