Human - Computer Interaction Flashcards
What is a conversion rate?
The percentage of visitors who take action on the site.
What are the 4 most important advantages for meeting user expectations?
Competitive edge, reducing development and maintenance costs, improving productivity, and lowering support costs.
What drives conversion rates?
Ease of use. Usable websites consistently have the highest conversion rates.
What can help reduce development and maintenance costs?
Learning about the needs of real users before creating a website results in lower development costs by saving you from implementing features that people don’t want.
What can contribute to lower support costs?
When a website is understandable, users don’t need to call customer support.
What is HCI?
Human-computer interaction is a discipline concerned with the design, evaluation, and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them.
What are the goals of HCI?
- Safety
- Utility
- Effectiveness
- Efficiency
- Usability
- Appeal
What does safety refer to in HCI?
- Safety of users
* Safety of data
What does utility refer to in HCI?
The services that the system provides
What does effectiveness refer to in HCI?
Concerns a user’s ability to accomplish a desired goal or to carry out work
What does efficentcy refer to in HCI?
A measure of how quickly users can accomplish goals or finish their work when using the system
What does usability refer to in HCI?
Includes ease of learning and ease of use
What does appeal refer to in HCI?
Describes how well users like the system, including first impressions and long-term satisfaction
User Interface
Comprises those aspects of the system that a user comes in contact with.
Describe user-centered development
It involves users in the process as much as possible with the goal of creating an interface that meets user expectations. It draws on knowledge from art, psychology, technical writing, and computer science, among others.
