Ch 1 Introduction to User Interaction Design Mary Margarat
- 2. Contact Hours Credits IA ESE 4 4 20 80
- 3. Modu le No. Topics Hrs . 1 Introduction to Interaction Design 09 Good and Poor Design, What is Interaction Design, The Process Of Interaction Design, Goal of Interaction Design and Usability. 2 Understanding and Conceptualizing Interaction Cognitive aspects and Social, Emotional Interaction 09 Understanding the Problem Space and Conceptualizing Design, Conceptual Model, Interface TypesCognitive aspects, Social Interaction and the Emerging Social Phenomena,Emotions and the User Experience, Expressive and Frustrating Interfaces, Persuasive Technologies . 3 Data Gathering, Establishing Requirements, Analysis, Interpretation and Presentation 09 Establishing Requirements, Five Key Issues, Techniques for Data Gathering, Data Analysis Interpretation and Presentation, Task Description and Task Analysis 4 Process of Interaction Design, Prototyping, Construction, 08 Interaction Design Process, Prototyping and Conceptual Design, Interface
- 4. Modul e No. Topics Hrs. 5 Design rules and Industry standards 07 Design principles, Principles to support Usability, Standards and Guidelines, Golden rules and Heuristics, ISO/IEC standards 6 Evaluation Techniques and Framework 06 The Why, What, Where and When of Evaluation, Types of Evaluation,case studies, DECIDE Framework, Usability Testing, conducting experiments, Field Studies, Heuristic Evaluation and walkthroughs, Predictive models. Total Hr. 48
- 10. What is Interaction Design? ■ Designing interactive products to support people in their everyday and working lives. ■ The design of spaces for human communication and interaction.
- 16. What is Usability? ■ Usability is part of the broader term “user experience” and refers to the ease of access and/or use of a product or website. ■ In essence, it is about developing interactive products that are easy, effective, and enjoyable to use.
- 17. What is User Interface (UI) Design? ■ User interface (UI) design is the process of making interfaces in software or computerized devices with a focus on looks or style. ■ Designers aim to create designs users will find easy to use and pleasurable. ■ UI design typically refers to graphical user interfaces but also includes others, such as voice-controlled ones.
- 18. Usable interface has three main outcomes:■ It should be easy for the user to become familiar with and competent in using the user interface during the first contact with the website. ■ It should be easy for users to achieve their objective through using the website. ■ It should be easy to recall the user interface and how to use it on subsequent visits.
- 19. What is Human-Computer Interaction (HCI)? ■ Human-computer interaction (HCI) is a multidisciplinary field of study focusing on the design of computer technology and, in particular, the interaction between humans (the users) and computers. ■ “Interaction Design is the creation of a dialogue between a person and a product, system, or service.
- 20. Evolution of HCI ‘interfaces’ ■ 50s - Interface at the hardware level for engineers - switch panels ■ 60-70s - interface at the programming level - COBOL, FORTRAN ■ 70-90s - Interface at the terminal level - command languages ■ 80s - Interface at the interaction dialogue level - GUIs, multimedia ■ 90s - Interface at the work setting - networked systems, groupware ■ 00s - Interface becomes pervasive – RF tags, Bluetooth technology, mobile devices, consumer electronics, interactive screens, embedded technology
- 22. GOAL OF INTERACTION DESIGN IS.....
- 23. 5 Dimensions of Interaction Design
- 31. GOOD DESIGN Easy to understand
- 32. BAD DESIGN
- 33. BAD DESIGN: It is confusing
- 34. ATM’s that spit out your card after the cash • ATM users are waiting for one thing: cash. So when the cash dispenses their immediate reaction is to leave. • That’s why it’s imperative that the cash comes out last— people are far less likely to forget their card if it comes out before the cash.
- 35. Doors that don’t indicate which side to push You have a 50% chance of getting this door right:
- 36. Classes with exclusively right-handed desks
- 37. Example of bad and good design – Elevator controls and labels on the bottom row all look the same, so it is easy to push a label by mistake instead of a control button – People do not make same mistake for the labels and buttons on the top row. Why not?
- 38. Why is this vending machine so bad? ■ Need to push button first to activate reader ■ Normally insert bill first before making selection ■ Contravenes well known convention
- 40. What to design ??? ■ Need to take into account: – Who the users are – What activities are being carried out – Where the interaction is taking place ■ Need to optimise the interactions users have with a product – Such that they match the users activities and needs. ■ Use tried and tested user-based methods
- 41. Interaction Design Interaction Design involves four basic activities: ■ Identifying needs and establishing requirements. ■ Developing alternative designs that meet those requirements. ■ Building interactive versions of the designs so that they can be communicated and assessed. ■ Evaluating what is being built throughout the process.
- 42. A model for interaction design Evaluate (Re)Design Identify needs/ establish requirements Build an interactive version Final product Start
- 43. Three characteristics of the Interaction Design Process: 1. Users involved throughout the development of the project 2. Specific usability and user experience goals should be identified, documented and agreed upon at the beginning 3. Iteration through the four activities (above).
- 44. Usability Goals: ■ Effectiveness ■ Efficiency ■ Safety ■ Utility ■ Learnability ■ Memorability
- 45. Usability Goals
- 46. How easy is it to work in multidisciplinary teams? ■ More people involved in doing interaction design the more ideas and designs generated…but… ■ The more difficult it can be to communicate and progress forwards the designs being created
- 47. What do professionals do in the ID business? ■ interaction designers - people involved in the design of all the interactive aspects of a product ■ usability engineers - people who focus on evaluating products, using usability methods and principles ■ web designers - people who develop and create the visual design of websites, such as layouts ■ information architects - people who come up with ideas of how to plan and structure interactive products ■ user experience designers - people who do all the above but who may also carry out field studies to inform the design of products
- 48. What is involved in the process of interaction design ■ Identify needs and establish requirements ■ Develop alternative designs ■ Build interactive prototypes that can be communicated and assessed ■ Evaluate what is being built throughout the process
- 49. Core characteristics of interaction design ■ users should be involved through the development of the project ■ specific usability and user experience goals need to be identified, clearly documented and agreed at the beginning of the project ■ iteration is needed through the core activities
- 50. Usability goals ■ Effective to use ■ Efficient to use ■ Safe to use ■ Have good utility ■ Easy to learn ■ Easy to remember how to use
- 51. User experience goals – Satisfying - rewarding – Fun - support creativity – Enjoyable - emotionally fulfilling – Entertaining …and more – Helpful – Motivating – Aesthetically pleasing – Motivating
- 52. Usability and user experience goals ■ How do usability goals differ from user experience goals? ■ Are there trade-offs between the two kinds of goals? – e.g. can a product be both fun and safe? ■ How easy is it to measure usability versus user experience goals?
- 53. Design principles ■ Generalizable abstractions for thinking about different aspects of design ■ The do’s and don’ts of interaction design ■ What to provide and what not to provide at the interface ■ Derived from a mix of theory-based knowledge, experience and common-sense
- 54. Key points ■ ID involves taking into account a number of interdependent factors including context of use, type of task and kind of user ■ Need to strive for usability and user experience goals ■ Design and usability principles are useful heuristics for analysing and evaluating interactive products
- 55. Questions ■ Define: User Interaction Design, User Interface Design, User Experience ■ What is the difference between Good Design & Bad Design? ■ Which Goals of Interaction Design needs to be followed by Designer while working on best User Interaction Design? ■ What are the Four Basic Activities followed in the process of Interaction Design? Explain. ■ What are the five dimensions of Interaction Design ■ Describe what interaction design is and how it relates to human-computer interaction. ■ Explain the process of Interaction design ■ What is the importance of interaction design? Write and explain goals of Interaction design. ■ Discuss Interaction Paradigms. ■ Which activities are carried out in the process of Interaction Design? Explain all in