What is gIBIS in HCI?
What is gIBIS in HCI?
A graphical version of IBIS has been defined by Conklin and Yakemovic [77], called gIBIS (pronounced ‘gibbiss’), which makes the structure of the design ratio- nale more apparent visually in the form of a directed graph which can be directly edited by the creator of the design rationale.
What is formality gap in HCI?
The formality gap means that validation will always rely to some extent on subjective means of proof. We can increase our confidence in the subjective proof by effective use of real-world experts in performing certain validation chores.
What is the design rules in HCI?
Introduction • Usability Principles • Heuristics and Golden Rules • AOB Page 3 HCI Design Rules • Design rules (or usability rules) are rules that a designer can follow in order to increase the usability of the system/product e.g., principles, standards, guidelines.
What is usability engineering in HCI?
Usability engineering is a professional discipline that focuses on improving the usability of interactive systems. It draws on theories from computer science and psychology to define problems that occur during the use of such a system.
What is QOC design rationale?
Design Space Analysis is an approach to representing design rationale. It uses a semiformal notation, called QOC (Questions, Options, and Criteria), to represent the design space around an artifact.
What are the principles of Learnability?
Learnability principles are concerned with interactive system features, which aid novice users to learn quickly and also allows steady progression to expertise.
What is execution and evaluation loop?
execution/evaluation loop. • user establishes the goal. • formulates intention. • specifies actions at interface. • executes action.
What is design space analysis?
What are the 7 layout design guidelines?
The principles of design are the rules a designer must follow to create an effective and attractive composition. The fundamental principles of design are: Emphasis, Balance and Alignment, Contrast, Repetition, Proportion, Movement and White Space.
What is the 7 principles of design?
The 7 Principles of Design
- Balance. Balance is how the elements within a composition are arranged either symmetrically, asymmetrically, or radially to create the impression of equality in weight or importance.
- Scale. This is an easy one – how big or small something is.
- Contrast.
- Pattern.
- Movement and Rhythm.
- Emphasis.
- Unity.
What are the five 5 goals of usability?
The 5 Es – efficient, effective, engaging, error tolerant and easy to learn – describe the multi-faceted characteristics of usability.
What is usability specification in HCI?
The Usability Specification Document is your companion during the phases where you define the graphical user interface and ergonomics of your software. It contains two main chapters: One you fill before the specifications phase, when you initiate the design of the grahical user interface.
What should be included in a design rationale?
It should therefore include:
- the reasons behind a design decision,
- the justification for it,
- the other alternatives considered,
- the trade offs evaluated, and.
- the argumentation that led to the decision.
What do you mean by design space?
Design Space Definition (ICH Q8R2) • Definition. – The multidimensional combination and interaction of input variables (e.g., material attributes) and process parameters that have been demonstrated to provide assurance of quality. • Regulatory flexibility. – Working within the design space is not considered.
What is the example of learnability?
A fantastic example of learnability created through simplicity is Google Maps. As an initial user, you can quickly and easily find a destination and plan a route; these are the very clear primary actions of the map functionality.
What are the principles of learnability in HCI?
Principles of Learnability — the ease with which new users can begin effective interaction and achieve maximal performance (e.g. Predictability, Synthesizability, Familiarity, Generalizability, Consistency.)
What is execution evaluation cycle in HCI?
Viewing the HCI as cycle is an accurate representation with respect to both the user and the system (computer and program) point of views. Execution and evaluation are words the user understands. According to Norman the execution component can be further divided into: Establishing the goal. Forming the intention.
What is Gulf in HCI?
In human computer interaction, the gulf of execution is the gap between a user’s goal for action and the means to execute that goal.
What is a design space?
The design space is officially defined by the International Conference on Harmonisation (2008) as the multidimensional combination and interaction of process parameters and input variables that have been demonstrated to provide assurance of quality.
Who proposed the design space analysis?
MacLean
201-250. MacLean, A., Bellotti, V. & Shum, S. (1993) Developing the Design Space with Design Space Analysis.
