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Cognitive Load and Interface Design
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Chunking
A method of grouping related information together to help users remember and process pieces of information more effectively, promoting a user-friendly design that accommodates working memory limits.
Spatial Contiguity Principle
Information that needs to be considered together should be presented near each other to reduce cognitive demand, which is a critical spatial alignment consideration in interface design.
Temporal Contiguity Principle
Presenting corresponding spoken words and graphics simultaneously rather than successively can improve learning, which interface designers should adhere to in order to align the timing of auditory and visual information.
Intrinsic Cognitive Load
The difficulty associated with a specific instructional topic. It is considered in designing interfaces to simplify information presentation and avoid overwhelming users.
Split-Attention Effect
Occurs when a user's attention is divided between multiple sources of information that must be integrated, which interface design can mitigate by aligning corresponding information closely together.
Personalization Principle
Using conversational style and virtual coaches can make information more relatable and reduce cognitive load, and thus interface design should strive to make content feel more personal and engaging.
Germane Cognitive Load
The load dedicated to the processing, construction, and automation of schemas. Interface design should aim to maximize germane load by allowing users to make sense of the material without extraneous effort.
Extraneous Cognitive Load
The load imposed by the way information or tasks are presented to a learner, and can be minimized through effective design strategies to enhance learning and usability.
Working Memory
The temporary storage and manipulation of information necessary for complex cognitive tasks, whose capacity limits must be considered when designing user interfaces to avoid overloading users.
Multimedia Principle
People learn better from words and pictures than from words alone, suggesting that interface design should integrate multimedia elements thoughtfully to optimize learning and understanding without overloading users.
Pre-training Principle
Familiarizing users with key concepts before delving into complex content can reduce cognitive load, and interface design should consider providing such pre-training to enhance user competence and satisfaction.
Redundancy Effect
The phenomenon where presenting the same information in multiple forms (such as text and graphics) can lead to unnecessary cognitive load, which interface design should avoid to streamline the assimilation of information.
Signal Principle
Cues that guide attention to important information can enhance learning and retention, which interface design should incorporate to help users navigate and prioritize information effectively.
Modality Effect
The use of both auditory and visual channels to present information can enhance learning under certain conditions, and should be skillfully employed in interface design to facilitate cognitive processing.
Cognitive Load Theory
A framework used to understand the cognitive demand placed on a person's working memory in various situations, relevant to design because it helps create user interfaces that support rather than hinder cognitive processes.
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