human computer interaction revision note. what to revise? read all the slides, pay attention to the...
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![Page 1: Human Computer Interaction Revision note. What to revise? Read all the slides, pay attention to the learning outcomes listed (objectives) in all chapters,](https://reader036.vdocuments.us/reader036/viewer/2022072016/56649efa5503460f94c0c5e5/html5/thumbnails/1.jpg)
Human Computer Interaction
Revision note
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What to revise?
• Read all the slides, pay attention to the learning outcomes listed (objectives) in all chapters, ask yourself if you are able to demonstrate the knowledge identified in the learning outcomes
• Revise all the questions discussed in tutorials, if the questions ask for examples, work on providing relevant examples and always try to match with the main objectives of the concept of usability
• Help me to help you – look after the format & handwriting and structure and label your answers accordingly
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How much is enough?• Look at the marks allocated.• Try to work out the maths for the points required in your
answer. Example : In Business Performance Management, it has been identified that there are four sources for the gap between strategy and execution. Identify and explain each gap.
[4 marks]Answer:Four sources of gap are :
Vision (viability, suitability to the organization)People (are they ready?)Management (do they agree?)Resources (are the infrastructure ready?)
(Award 1 mark each for the correct identification and explanation)
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Compare and contrast
• Always use table• Identify the basis for each comparison• Try to make a contrasting point for each items
to be compared.Elephants Cats
Weight 1000kg 4kg
Habitat Jungle Home
Length 5 meter 0.8 meter
?? ?? ??
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Segmenting your answer• If ask to identify a few list of items, segment your answer, don’t
combine discussion on all of the items in one paragraph.
E.g. Identifying project activities• Planning: Setting goals and objectives etc……• Data Gathering : Establishing data/information/requirement ……• Design : Based on data gathered ….• Develop: Develop the system …….
rather than
The first process is ----------------------------------------------------------------------------------……………………………………………………………………………………………………………………………………… The second process is ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------The third process is ----------------------------------------------------------------------------------------------------------------
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Answer to the question
• Identify what are the questions that need to be answered.
E.g.• Describe usability testing paradigm in detail and explain why it has become
important in achieving usability in interface design. Include in your answer a discussion on how does usability testing differ from quick and dirty paradigm.
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Keywords you must be comfortable with
• Least suitable• Most suitable• Flaws• Justify• Illustrate
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Keywords you must be comfortable explaining
Human Factors
• The three human factors to be considered when designing for usable interface
• Metaphors • Stakeholders
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Keywords you must be comfortable explaining
Understanding Interactions
• Interaction model - The seven stages model• Interaction styles –
– command line interface– menus– natural language– question/answer and query dialogue– form-fills and spreadsheets
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Keywords you must be comfortable explaining
Understanding Users in Interface Design• Its importance to usability• Data gathering techniques (advantages/disadvantages)
Task Analysis• Its importance to usability• Hierarchical task analysis – textual/diagram representation• HTA matrices• Produce an HTA and its matrix to discuss suitable interface
design
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Keywords you must be comfortable explaining
Design Principles• Identify a range of usability design principles and of how they can
be applied in design• Evaluate the existing products or systems based on the design
principlesUsability Engineering• Define the term “Usability Engineering”• Describe usability goals• Describe the various steps involved in Usability Engineering
Lifecycle• Apply Usability Engineering Lifecycle in designing any system or
application
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Keywords you must be comfortable explaining
Design Prototyping• Define the term “prototyping”• Explain the importance of prototyping in designing for
usability• Identify the types of prototypes Evaluation• Describe the evaluation paradigms & techniques used in
interaction design.• Discuss the conceptual, practical and ethical issues that must
be considered when planning evaluations. • Use the DECIDE framework in your own work
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Good Luck