Let’s talk about one of of the most common doubts for those starting in UXD: the difference between Human Centered Design and User Centered design
Human-centered Design or HCD is the most common theoretical framework for User Experience specialists.
However, we also have User-Centered Design, or UCD.
And guess what: it is the most common theoretical framework for User Experience specialists.
Obviously, any reader will say: “ Of course, they are obviously the same.”
Well…. not precisely.
As we saw in the User Experience Disciplines, these disciplines give our speciality a really large and broad scope. And if you look closely, you can notice the differences between the different specializations in UX.
Note on the above: Not a single person in the world specializes in all areas of User Experience Design or UXD.
The difference between Human Centered Design and User Centered Design
There are many answers to this question, most of them almost philosophical in nature.
For example, some people say HCD is a framework and UCD is the design process.
Personally, I think both of them are UXD frameworks.
However, the differences are documented in the norms we must follow as user experience designers.
One of the fundamental differences between between Human Centered Design and User Centered Design is the ISO standard, which defines HCD (human), but not UCD (users). You can read the document at ISO Standards for Human-Centered Design, but basically it says the following:
ISO 9241-210: 2010 provides requirements and recommendations for human-centred design principles and activities throughout the life cycle of computer-based interactive systems.
It is intended to be used by those managing design processes, and is concerned with ways in which both hardware and software components of interactive systems can enhance human–system interaction.Revised Source: https://www.iso.org/standard/52075.html
(the redundancy is not mine, so says the norm)
Meanwhile, for User Centered Design , we have the following definition:
User-centered design (UCD) or user-driven development (UDD) is a framework of processes (not restricted to interfaces or technologies).
In this framework, usability goals, user characteristics, environment, tasks and workflow of a product, service or process are given extensive attention at each stage of the design process.
User-centered design can be characterized as a multi-stage problem-solving process. It requires designers to:
- analyze and envision the way users are likely to consume a product
- also to validate their assumptions with regard to the user behavior in real world tests.
These tests are conducted with/without actual users during each stage of the process from requirements, pre-production models and post production.
Such testing is necessary as it is often very difficult to understand intuitively what a first-time user of their design experiencesAlso, it helps undertsand what each user’s learning curve may look like.
User-centered design is common in the design industry.When used, UCD is considered to lead to increased product usefulness and usability.Source: https://en.wikipedia.org/wiki/User-centered_design
Did you get it? The HCD, as its name suggests, is related to the interaction between human and digital interfaces.
But in UCD, the relationship is between the user and any type of element. This may include interactive systems or not.
For example, take Don Norman’s famous book “The Design of Everyday Things”. In this book, the author talks about lamps, furniture and other everyday objects.
But which one is better?
For some reason, we always tend to think in terms of better/worse. However, when working in UXD, we need to know there is no right or wrong answer unless we validate it with users.
Both Human Centered Design and User Centered Design have a lot of things in common and their processes are quite similar: research, ideate, prototype, test.
So the boundaries of both frameworks are quite diffuse.
Exception made of what defines them: one is specific for computer/digital based products and services, while the other applies to a broader variety.
To sum up: a subtle difference that makes a giant difference even when they sometimes overlap!
Disclaimer: This content was translated to English from the original we wrote in Spanish, available in UXpañol
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