Thursday, March 12, 2009

ID FMP: Useful Definitions (a living post)

As I embark on my exploration of frameworks, models, and principles related to interaction and experience design I will maintain this working list of definitions regarding key terms and concepts.

This is by no means a comprehensive list. This is actually an utterly selfish endeavor as these definitions are solely intended to help me in my own study of this field. They have been cherry-picked, mostly from online sources and the book Universal Principles of Design.

Augmented Reality: "Augmented reality means that I have some mediating artifact that provides me with a visual overlay on the world. This could be a phone, it could be a windshield, it could be a pair of glasses or contact lenses, doesn’t matter. And you’re going to use that overlay to superimpose some order of information about the world and the objects in it onto the things that enter my field of vision – onto what I see." [source: Adam Greenfield, from interview by Tish Shute]
  • Marker-Based: "Marker-based AR implies that there’s some reasonably strong relationship between the information superimposed over a given object, and the object itself. That object is an onto, a spime, it’s been provided with a passive RFID tag or an active transmitter. And it’s radiating information about itself that I’m grabbing, perhaps cross-referencing against other sources of information, and superimposing over the field of vision. Fine and dandy."
  • Markerless: But there’s another way of achieving the same end, right? Instead of looking at a suit jacket on a rack and having its onboard tag tell you directly that it’s a Helmut Lang, style number such-and-such from men’s Spring/Summer collection 2011, Size 42 Regular in Color Gunmetal, produced at Joint Venture Factory #4 in Cholon City, Vietnam, and packed for shipment on September 3, 2010, you’re going to run some kind of pattern-matching query on it. And without the necessity of that object being tagged physically in any way, you’re going to have access to information about it. 
Cognition: “of, relating to, being, or involving conscious intellectual activity (as thinking, reasoning, or remembering)” [source: Merriam-Webster] ; “a faculty for the processing of information, applying knowledge, and changing preferences.” [source: Wikipedia]

Framework: "A basic conceptual structure used to solve or address complex issues. This very broad definition has allowed the term to be used as a buzzword, especially in a software context." [source: Wikipedia]

Interference Effects: "A phenomenon in which mental processing is made slower and less accurate by competing mental processes." [source: Universal Design Principles]; an example of an artifact that would generate this effect is a green stop sign.

Mapping: "A relationship between controls and their movements or effects. Good mapping between controls and their effects results in greater ease of use." [source: Universal Design Principles]

: "A hypothetical description of a complex entity or process; representation of something, sometimes on a smaller scale" [source: Princenton Wordnet]
  • Mental model: "Representations of systems and environments derived from experience." [source: Universal Design Principles]; "An explanation of someone's thought process for how something works in the real world.” [source: Wikipedia]; “a mental representation that people use to organize their experience about themselves, others, the environment, and the things with which they interact; its functional role is to provide predictive and explanatory power for understanding these phenomena” [source: Virginia Tech]
  • Conceptual model: “an abstraction, representation and ordering of phenomena using the mind.” [source: Charles Darwin University]; “conceptual model represents 'concepts' (entities) and relationships between them.” [source: Wikipedia]

Principle: "A basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct; a rule or law concerning a natural phenomenon or the function of a complex system." [source: Princenton Wordnet]

Scaling Fallacy
: "A tendency to assume that a system that works at one scale will also work at a smaller or larger scale." [source: Universal Design Principles]

Serial Position Effects: "A phenomenon of memory in which items presented at the beginning and end of a list are more likely to be recalled than items in the middle of a list." [source: Universal Design Principles]

System: "a group of independent but interrelated elements comprising a unified whole; 'a vast system of production and distribution and consumption keep the country going.'" [source: Princenton Wordnet]; "System (from Latin systēma, in turn from Greek systēma) is a set of interacting or interdependent entities, real or abstract, forming an integrated whole." [source: Wikipedia]
  • Product and Service Systems: the independent but interrelated elements through which a users experiences a product or service. These systems encompass the product or service itself and indirect elements such as manuals, user groups, and communities. To that extent, a product or service system can vary significantly depending on context of use since these external elements often play an important role inthe user experience or a product or service.
  • System Image: As used by Don Norman, refers to the overall interface available for a user to interact with a product or service system including both direct and indirect elements. Direct elements of the interface include the product or service itself. Indirect elements encompass things such as instructional manuals, user groups, and communities. [source: me]
** What the hell is ID FMP? **

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