Modality (human–computer interaction): Difference between revisions

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A system is designated unimodel if it has only one modality implemented, and multimodel if it has more than one.<ref name="HCI Overview2" /> When multiple modalities are available for some tasks or aspects of a task, the system is said to have overlapping modalities. If multiple modalities are available for a task, the system is said to have redundant modalities. Multiple modalities can be used in combination to provide complimentary methods that may be redundant but convey information more effectively.<ref>{{Cite book|title = Interactive Systems. Design, Specification, and Verification|last = Palanque|first = Philippe|publisher = Springer Science & Business Media|year = 2001|isbn = 9783540416630|___location = |pages = 43|last2 = Paterno|first2 = Fabio|url = https://books.google.com/books?id=RddIwyhAvDAC&dq=}}</ref> Modalities can be generally defined in two forms: human-computer and computer-human modalities.

==Computer–Human Modalities==

The following are examples of the different types modalities, and theirvarious implementations, through which a computer could send information to a human:

* Common modalities

** [[Visual perception|Vision]] - multiple views on a screen

** [[Hearing (sense)|Audition]] - using a beep to signal end of speech

** [[Haptics|Tactition]] - shaking a controller at different intensities

* Uncommon modalities