Usability & User Experience

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Usability

Requirements for usability

Usability is best translated as user-friendliness. DIN EN ISO 9241-11 describes the requirements for usability as follows: Usability is the extent to which a product can be used by certain users in a certain usage context in order to achieve certain goals effectively, efficiently and satisfactorily.

Products with good usability:

  • Are easy to learn and easier to remember
  • Are effective and efficient to use
  • Cause a lower error rate
  • Ensure user satisfaction
  • Bring competitive advantages
  • Are more sustainable in their product life cycle
Usability is a holistic approach:
When designing a product, it must be adapted to the user group. It should support the users in their work tasks and work processes and enable them to work effectively, efficiently and satisfactorily.

App und Web-Entwicklung, mobile Applikationen
App und Web-Entwicklung, mobile Applikationen

User Experience

The user experience

User Experience extends the concept of usability to include emotional and aesthetic factors. These are, for example, an appealing design and the joy the user experiences when using the product - so user experience is the entire user experience. Users should not only reach their destination quickly and smoothly, but also experience positive feelings such as fun or enjoyment when using the product.

The term user experience is defined in DIN EN ISO 9241 210.
The perceptions and reactions of a person resulting from the actual and/or expected use of a product, system or service.

Designing the user experience is an innovation process that takes into account user satisfaction (including emotional and aesthetic aspects) as well as effectiveness and efficiency. Design is enabled by a variety of creative approaches to achieve an appropriate user experience.

How ...

... do we implement good usability?

We create interfaces for Web / App, Virtual Reality and Augmented Reality always with the claim to involve the user in all phases of development. In doing so, the needs of the user are the focus of attention. For us, the involvement of the customer in the individual development steps is also part of User-Centered Design and we place his needs at the centre of all decisions. Our guiding principle in terms of usability is: Simple and intuitive. We work closely with DIN EN ISO 9241, in particular

  • Ergonomics of human-system interaction – Part 11: Usability
  • Ergonomics of human-system interaction - Part 110: Principles of dialogue design
  • Ergonomics of human-system interaction – Part 210: Process for designing usable interactive systems

Wireframes
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Idea
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Prototype
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Final design

What ...

... are the benefits of good usability?

The application of a human-centred approach to design and development offers significant economic and social benefits for users, employers and providers: They tend to be technically and commercially successful users and are willing to pay a higher price for well-designed products and systems. Lower The costs of supporting and advising customers are reduced if users can understand and use the products without additional help. In most countries, employers and suppliers are legally obliged to protect users from health and safety hazards. Human-centred procedures can reduce these risks (e.g. risks to the musculoskeletal system).

Porsche
Porsche

... improves the quality

  • by increasing user productivity and the profitability of organizations
  • by making them easier to understand and use, thus reducing training and support costs
  • by increasing the usability for people with a wider range of abilities and the resulting increased accessibility
  • by improving the user experience
  • by reducing discomfort and stress
  • by providing a competitive advantage, for example by sharpening the brand image
  • by contributing to the achievement of sustainability goals

Advantages

The benefits of human-centred design are derived from the total life cycle costs of the product, system or service, including conception, design, implementation, maintenance, use, servicing and, ultimately, decommissioning. A human-centred design approach influences other aspects of system design, for example by improving the identification and definition of functional requirements. A human-centric design approach also increases the likelihood that the project will be completed successfully, on time and on budget. By applying appropriate human-centric procedures, the risk of the product not meeting the requirements of stakeholders or being rejected by its users can be reduced.

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