What do you call a mismatch between the user’s mental model and the task model employed by the interactive system?

____________ is by far the most important information medium.

A display system is typically composed of an array of small rectangular areas called _____________?

What do you call this perpendicular distance to the surface of the display?

______________ refers to the time differences among sound waves that emanate from the same source.

_________ is defined to be the modality that takes advantage of touch by applying forces, vibrations, or motions to the user.

This type of modality uses an input methods or feedback can be used to ensure a reliable achievement of the interaction objective.

This type of modality can assume different roles and act in a complementary fashion to achieve specific interaction objectives.

________ is a model of human movement that predicts the time required to rapidly move to a target area as a function of the distance to and the size of the target.

_______ refers to the amount of sound energy and is synonymous with the more familiar term, volume.

The ____________ is perhaps the most prevalent mode for information feedback.