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Human-computer interaction (,abbreviation) is the science concerned with the design, evaluation, and implementation of interactive computing systems for people to use, and the study of these phenomena.
Human-computer interaction and human-computer interface are two closely related but different concepts.
The relationship between human-computer interaction and human-computer interface
Human-computer interaction refers to the interaction between humans and machines, which is essentially the interaction between humans and computers. Or from a broader perspective, human-computer interaction refers to the interaction between humans and machines containing computers. Specifically, human-computer interaction is a two-way communication between a user and a computer-containing machine, using certain symbols and
Interaction is a description of the relationship/condition between human and machine environment. The interface is a concrete expression of the interaction between humans and the computer environment. Interaction is the situational depiction to achieve information transmission, and the interface is the means to achieve interaction. In the interaction design subsystem, interaction is the content/soul, and the interface is the form/body. However, in large product design systems, interaction and interface are only a means to solve the human-computer relationship, not the ultimate goal. Address and meet human needs.
Interaction design is subordinate to the product system and is a strong support and improvement for successful product design.
If you use the perspective of systems theory, interaction design is a subsystem subordinate to the product design system.
Human-computer interface design should consider the following principles.
Basic user-centered design principles
In the system design process, designers must grasp the user's characteristics and discover the user's needs. During the entire development process of the system, users’ opinions and consultations must be continuously sought and consulted. System design decisions must be combined with the user's work and application environment, and the user's requirements for the system must be understood. The best way is to involve real users in development, so developers can correctly understand users' needs and goals, and the system will be more successful.
, Sequence principle
That is, according to the order of processing events, the order of access and viewing (such as from the whole to the individual items, from large to small, from the upper layer to the lower layer, etc.) and the control process flow, etc., design monitoring management and human-machine dialogue The main interface and its secondary interface.
, functional principle
That is, according to the specific functional requirements of the object application environment and occasion, various subsystem control types, parallel processing requirements of the same interface for different management objects, and simultaneity requirements of multiple dialogue interactions, etc. Design a human-computer interaction interface that differentiates multi-level menus, hierarchical prompt information, and windows with multiple dialog boxes by function, so that users can easily distinguish and grasp the usage rules and characteristics of the interactive interface, and improve its friendliness and operability .
Principle of consistency
Including consistency in color, consistency in operating area, and consistency in text. That is to say, on the one hand, the interface color, shape, and font are consistent with national, international or industry standards. On the other hand, the interface color, shape, and font are self-contained, and the colors of different devices and the same design status should be consistent. The consistency of the interface details and art design makes the operator feel comfortable when viewing the interface, so as not to distract his attention. Consistency can also reduce operational errors for new operators or those dealing with emergencies.
, frequency principle
That is, the hierarchical sequence of the human-machine interface and the display position of the dialogue window menu are designed according to the frequency of dialogue interaction of the management object, so as to increase the frequency of monitoring and access dialogue.
, Importance Principle
That is, according to the importance and global level of the management object in the control system, the position and prominence of the primary and secondary menus and dialogue windows of the human-machine interface are designed, thereby contributing to management Personnel must grasp the priorities of the control system, implement the sequence of control decisions, and achieve optimal scheduling and management.
Object-oriented principle
That is, according to the identity characteristics and work nature of the operator, a suitable and friendly human-machine interface is designed. According to their work needs, pop-up windows should be used to display prompts, guidance and help information, thereby improving the user's interaction level and efficiency.
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