Cynthia: Interacción Humano-Computadora (IHC)

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HCI Purpose

Optimizing safety, utility, and efficiency of computer-based systems.

Usability in HCI

The ease with which users can learn and use a system to achieve their goals.

Consistency in HCI

Using the same design elements and interaction patterns throughout the interface.

Ergonomics Role

Adapting the working environment to the physical needs of the user.

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Psychology's Contribution to HCI

Offering insights into cognitive processes and user behavior.

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Recoverability in UI Design

Allows users to undo unwanted actions.

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Reducing Cognitive Load

Minimizing the amount of information users must remember.

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Synthesizability

The user can understand the effect of previous operations on the current state.

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Direct Manipulation

Interacting directly with visual representations of objects.

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Agents Role

They collaborate with the user to complete tasks.

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Flexibility

A variety of ways the system and user can exchange information.

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Adequacy of Tasks

Allowing users to perform tasks as they prefer.

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Interface

The contact surface between a person and a computer.

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Goal of Studying HCI

Understand and improve the interaction between people and computers.

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Best Interface for Novice?

Menus and Navigation

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Assistants vs. Agents

An assistant is directly activated by the user.

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Natural Language Interface Advantage

Easy to learn because they use everyday language.

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