ICT Research papers Archives

Good colour contrast for websites

How did you choose the colours for your last website update? Did you choose colours based on your brand logo and text or did you use the Web Content Accessibility Guidelines (WCAG) algorithm? But can the WCAG algorithm guarantee good legible colour contrasts for websites? Research by The University of Cambridge says it doesn’t. So they have developed an alternative algorithm for good colour contrast for websites.

Since January 2022, the Accessible Perceptual Contrast Algorithm proposes that legibility of text on websites is better with perceived difference than a mathematical contrast ratio. White text on strong coloured backgrounds are preferred over black text in almost all cases in the study.

In the examples above, the black text passes the WCAG contrast ratio but fails the white text. The Accessible Perceptual Contrast Algorithm passes the white text and fails the black text.

Sam Waller explains this more fully in his article, Does the contrast ratio actually predict the legibility of website text?

As a result of this work, an early working draft of WCAG 3 proposes using the new method for calculating contrast.

This is important information for choosing brand logos and text so it isn’t just something web designers should know. Many website designs are guided by brand colours so choose carefully. This information is also important for product labelling especially for online shopping.

The Metaverse: inclusive and accessible?

The concept of the Metaverse is a continuous online 3D universe that combines multiple virtual spaces. It’s the next step on from the internet. It means users can work, meet, game and socialize in these 3D spaces. We are not quite there yet, but some platforms have metaverse-like elements. Video games and Virtual Reality are two examples. So, we need to keep a careful watch on developments to make sure the Metaverse is inclusive and accessible.

Another term for the Metaverse is digital immersive environments. It sounds science fiction, but this fiction is becoming a fact. Someone is designing these environments, but are they considering equity, diversity and inclusion? Zallio and Clarkson decided to tackle this issue and did some research on where the industry is heading.

Several companies are involved in the development of digital immersive environments. So before they get too far in development it’s important to define some principles for the design of a good Metaverse. Zallio and Clarkson came up with ten principles that embrace inclusion, diversity, equity, accessibility and safety.

10 Principles for designing a good Metaverse

is open and accessible
is honest and understandable
is safe and secure
is driven by social equity and inclusion
is sustainable
values privacy, ethics and integrity
guarantees data protection and ownership
empowers diversity through self-expression
innovates responsibly
complements the physical world

A young woman is wearing a pair of virtual reality goggles and looking towards the sky.

Their paper is insightful and provides some important areas for discussion and research. We need developers to consider the essentials of inclusion, diversity and accessibility. Zallio and Clarkson advise that designers can learn from the past to reduce pitfalls in the future. As the Sustainable Development Goals say, “leave no-one behind”.

Diagram showing the 10 principles for designing a good Metaverse.

The title of the paper is Designing the Metaverse: A study on Inclusion, Diversity, Equity, Accessibility and Safety for digital immersive environments.

Synopsis of the paper

1. The Metaverse appears as the next big opportunity in the consumer electronics scenario.

2. Several companies are involved with its development.

3. It is extremely important to define principles and practices to design a good Metaverse.

4. Qualitative research pointed out to challenges and opportunities to design a safe, inclusive, accessible Metaverse that guarantees equity and diversity.

5. Ten principles for designing a good Metaverse embrace inclusion, diversity, equity, accessibility and safety.

From the abstract

The Metaverse is shaping a new way for people interact and socialise. By 2026 a quarter of the population will spend at least an hour a day in the Metaverse. This requires consideration of challenges and opportunities that will influence the design of the Metaverse.

A study was carried out with industry experts to explore the social impact of the Metaverse through the lens of Inclusion, Diversity, Equity, Accessibility and Safety (IDEAS). The goal was to identify directions business has to undertake.

The results indicated the nature of future research questions and analysis to define a first manifesto for Inclusion, Diversity, Equity, Accessibility and Safety in the Metaverse.

This manifesto is a starting point to develop a narrative, brainstorm questions and eventually provide answers for designing a Metaverse as a place for people that does not substitute the physical world but complements it.

City Access Map

CITY ACCESS MAP is a web application that shows how cities across the world are doing in terms of accessibility. It’s open source and covers any urban area with more than 100,000 residents. It computes walking accessibility down to the block level. It’s a tool for almost anyone who has an interest in cities that have access to services within a 15 minute walk.

The CITYACCESSMAP is interactive and shows the differences in cities across the globe. For example, it shows that Bogota, Colombia is one of the most accessible cities. Orlando USA on the other hand is one of the least accessible. France is generally accessible with many cities reaching high levels of accessibility.

Australia is represented by Brisbane, Sydney, Melbourne and Adelaide. Searching by city brings a close up view of the suburbs. In Sydney, it shows good accessibility in and around the CBD. However, as expected as you move to outer suburbs accessibility reduces considerably.

It should be noted that the term “accessibility” mainly refers to access to services rather than an accessible built environment. The tool is worth investigating as a planner and administrator in any field. If nothing else, it is interesting to see how countries compare.

For IT people wanting to know the detail of the map design there is more information in a separate section. You can download processed data for any city in the application.

The scientific research is also available and you can contribute to the project by contacting Leonardo Nicoletti.

Co-designing for the digital world

If you want to create something really useful for intended users, asking them to participate in the design process is a good way to go. And that means the design of anything – guides and toolkits included. From Ireland comes a toolkit for co-designing for the digital world where participants are people with intellectual disability.

A series of iterative workshops involving people with intellectual disability formed the foundation of an accessible design toolkit.

A collage of faces from around the world and pictures of smartphones. co-design for the digital world.

Co-design is important in the area of digital design and computer interaction. However, projects that claim to be user-centred often become technology led rather than user driven. A university in Ireland teamed up with a community service that supports people with intellectual disability. With the guidance of researchers, computer science students and community service users engaged in a co-creation process from which a toolkit was developed.

The collaboration highlighted the need for accessible design resources and training materials for both students and users. While there are many resources on co-design processes, and design thinking, few address people with intellectual disability. Those that do exist are not accessible or suitable for people with intellectual disability.

The toolkit is about co-designing with people with intellectual disability. Two overarching principles emerged. Use simple English with short sentences and simpler grammatical structures. Provide visual aids – icons and images – to overcome literacy limitations.

The paper explains the co-creation process in detail. The authors call the users co-designers, which is confusing because co-design usually means all participants including designers.

Understanding the complex process of consent to participate had to be resolved for the users. Another difficulty was encouraging participants speak up about design flaws or issues.

The title of the paper is, An Inclusive Co-Design Toolkit for the Creation of Accessible
Digital Tools.

From the abstract

Existing toolkits and resources to support co-design are not always accessible to designers and co-designers with disabilities. We present a study of a co-design process, where computer science students worked with service users with intellectual disabilities. The aim was to create digital applications together.

A series of co-design focus group sessions were conducted with service users previously involved in a co-design collaboration. The information from these sessions was used to devise an accessible design toolkit. This toolkit is intended to generate a sustainable resource to be reused in the student programme at TU Dublin but also in the wider community of inclusive design.

Editor’s comment: Most guides and toolkits are based on well-researched evidence, but the value of the evidence is sometimes lost in technicalities or too many words. A co-design process will seek out the key information that guideline users want and need.

Designing technology for all

one hand is holding a smart phone and the other is pointing at the screen.

It’s not just a matter of fairness. Technology is generally better for everyone if it’s designed for people with disability. People who are blind use the same smartphones as sighted people. They also use computers by using screen readers. But screen readers can’t improve the way websites are designed. A website that causes problems for a screen reader is likely to be more difficult for anyone. So designing for disability is designing technology for all. That’s universal design.

An article in The Conversation explains the issues in more detail. One of the issues for web designers is that prototyping software is not compatible with screen readers. Consequently they can’t get blind users to test their designs. It also means a blind designer wouldn’t be able to make mock-ups of their own.

The researchers said that accessibility is the hallmark of good technology. Many technologies that we take for granted were developed around disability. The article concludes that no matter how much empathy a designer has, it doesn’t replace the benefits of technology built by people who actually use it.

The title of the article is, “Why getting more people with disabilities developing technology is good for everyone”.

See a screen reader in action in a previous post.

AI for captioning

A speaker stands at a lectern and captioning sceen is behind his right shoulder — Dedicated captioning screen close to the speaker.

Artificial Intelligence (AI) can take captioning to another level claims Microsoft. AI for automatic speech recognition removes the need for a human captioner for lectures in universities and elsewhere. The Microsoft AI blog article and video below focuses on deaf students, but more people are taking to captioning on their phones for convenience.

Captioning helps all students by adding another layer of communication and this point is made in the article. The captioning is turned into transcripts and students have a reference to read after the lecture. They can also have the lecture automatically translated into several languages.

This is a detailed article and covers automatic speech recognition, translations, and a growing demand for accessibility. This technology is not expected to take over from Auslan or ASL as they are languages in their own right. However, this is another example of how technology is helping humans by taking over from humans and bringing the advantages to more people.

Note on the image at the top: The image shows Dr Ger Craddock at the inaugural Australian Universal Design Conference in 2014. A captioner sat in the room to caption real time. Speaker names and place names were given to the captioner beforehand to prevent errors.

How web design decisions are made

When choosing a web developer to update your site, don’t assume they know all about accessibility. The guidelines for web accessibility are often treated like tacked on ramps to a building. That is, something you think of after you’ve done the design. To ensure accessibility of your site, it pays to know how web design decisions are made. And you don’t need to be a tech person.

A paper from the United States spells out the development process to show how accessibility gets missed. The authors report that one study found that more than 70% of websites contain multiple barriers to accessibility. Another study found that almost all homepages didn’t meet the basic web standards for accessibility.

The Web Content Accessibility Guidelines (WCAG) are a general guide for developers. But they are not the total answer because they are more about code compliance than accessibility. Hence, design briefs need to include usability testing early in the concept stage.

The process often begins with brand, customers, and the message to be communicated. This stage rarely involves accessibility concerns. Designers make assumptions about users – usually people like themselves – for the next steps. Designs are reviewed by art directors and brand creators. Colours and font choices are considered at this stage but without reference to accessibility.

If the design team lacks diversity this is where design justice becomes design privilege. Before any coding takes place, images, animations and graphics are created to show what the site will look like. Users are not involved in the testing at this stage. The key issue with web accessibility tools is that they look at code, not these mock-ups.

Priority is brand message

The prototype stage would be a good point in the design process to begin user testing. It is as this stage colour, font, layout and other critical access features can be addressed. However, communicating brand message takes priority. Responding to the needs of less privileged and less able users is left for coding checks rather than usability checks.

The authors conclude that considering accessibility early in the process can bring greater usability for all. However, industry development processes often result in accessibility being an afterthought. Standards are not enough to meet the needs of all users. Consequently, industry’s internal processes need to change.

The title of the paper is, Addressing Accessibilty as Advocacy. The authors use the term “special needs”. The article is easy to read and not tech-based. It is more about advocating for social justice in the digital world.

Choosing an IT designer

The Centre for Excellence in Universal Design in Ireland has a comprehensive IT Procurement Toolkit. It takes potential purchasers of IT systems through the process of procurement, including assessing potential suppliers, and overseeing the successful implementation of accessibility features. It also shows how to manage the accessibility of the system once the set-up phase is complete. This means ensuring that documents staff produce for the website also meet the accessibility criteria. Each section of the Toolkit is provided separately. It includes:

- Writing Request for Tender
- Assessing Candidates and Tenders
- Development and Implementation
- Evaluating Deliverables
- Maintaining Accessibility.

UD, UDL, Accessibility and Ableism

Access to information during the COVID-19 pandemic became even more problematic for some users as everything went online. So what can UD, UDL and Accessibility do to help to combat ableism?

An article by John L. O’Neill discusses Universal Design, Universal Design for Learning and Inclusive Design. In this context, the concept of Inclusive Design has a focus on the digital world. He covers the history of each, much of which will be known to UD followers. O’Neill argues that all three can be combined in innovative ways to ensure access to information. This is logical because each has the same goal – inclusion. He uses a case study where he merges the UD principle of perceptible information, the tenet of multiple means of representation from UDL, and adaptive systems from Inclusive Design. This perspective is given the title of “Abilities Design”.

O’Neill claims ableism underpins barriers and that undoing ableism is not a form of charity. Legislation that requires access and accessibility does little to change ableist attitudes.

The title of the article is, Accessibility for All Abilities: How Universal Design, Universal Design for Learning, and Inclusive Design Combat Inaccessibility and Ableism.

Editor’s Note: I am not sure that inventing another design category based on inclusion takes us any further forward. However, it is an example of how designers new to inclusive concepts can use existing frameworks to help their design process.

From the Abstract

Discussions about accessibility surged at the start of the COVID-19 pandemic as people became more dependent on accessing information from the web. This article will explore different disability models to understand the oppression of people with disabilities. It will examine how the different principles and methods of Universal Design, Universal Design for Learning, and Inclusive Design can be combined in innovative ways to ensure that all citizens have access to information without barriers.

Older people and internet use

2020 has been a year of digital connectedness. Many of us relied on the internet to keep working and stay connected to family and friends. Access to virtual health services turned out to be important too. But access to the internet and digital connection wasn’t available to everyone. It’s assumed that older people are unable or unwilling to use digital communications. The assumptions by others about the capabilities of older people doesn’t help. It reinforces a negative mindset in both older people and their younger family members.

Understanding older people’s relationship with the internet was the subject of a survey in rural Queensland. 1500 households were surveyed and asked about the general adoption of internet use. Within this survey, respondents were asked to indicate their understanding of older people’s relationship with the internet. Researchers found three general assumptions: older people aren’t interested in the internet, and they generally can’t use it. However, family members did believe the internet would be useful for older people.

If family members act on these assumptions they are unlikely to assist older members of the family to use the internet to communicate with others. If society continues to assume older people incapable or disinterested in internet communications it will lead to reinforcing the digital divide.

The researchers conclude that distinctions should be drawn between older people in rural areas and the tendency to apply urban norms to this population.

The title of the article is, Perceptions of older age and digital participation in rural Queensland. It is academically dense in parts but the issue is clear. Older people will be unable to join with younger cohorts in independently using internet technology if we continue to apply these assumptions.

Abstract

Participation is thought to build and sustain individual and community resilience. What constitutes participation today significantly involves networked digital communications. With Australia’s ageing population set to increase exponentially, and with a growing concentration of older people living outside of larger cities and towns, a need exists to address how participation in later life is understood and facilitated. Coupled with the need for regional communities to find relevant change processes that build resilience, this multidisciplinary paper highlights variations in perception about older people’s digital abilities in regional Queensland. Following the general increase in appeal of digital devices to older people, defined here as those aged over 65, the paper suggests that how older people’s digital connectedness progresses is foundationally influenced by the speculative, antithetical and potentially ambivalent perceptions of others. In doing so, we seek to understand rural connectedness in later life through a suite of literacies informing digital participation.

There’s a related article from 2015, Internet use: Perceptions and experiences of visually impaired older adults. Published in the Journal of Social Inclusion, it provides some excellent qualitative research – the comments from older people with vision loss are especially revealing.

Blinded by science: Universal design and data access

It’s all very well saying that information is available to everyone, or that government processes are designed to be transparent. But how many people can access the scientific and long-winded sentences in these documents? Even the abstract below on this very topic needs interpretation into everyday words. It’s easy to talk about universal design. However, academics often make research on accessibility and inclusion inaccessible and exclusive. How about more walking the walk, and talking the talk? We need universal design for data access.

The article on Open Government Data Through the Lens of Universal Design is about accessing data sets. This might include population census data, or data that underpin policy decisions. By casting the lens of the seven principles of universal design over the data sets the authors found ways to improve accessibility. Nine issues were found, three related to the web and the rest to data presentation.

This is an important aspect of inclusion. It helps people with disability and others to see how data are used, and to give them a voice. Information is power. The article includes recommendations for discussion on how to improve the situation.

The article can be downloaded from ResearchGate where you can request the full text from the authors. Otherwise it is available on SpringerLink where you will need institutional access for a free read. Note the dated use of the term “special needs”.

Abstract

Open Data are increasingly being used for innovation, developing government strategies, and enhancing the transparency of the public sector. This data is aimed to be available to all people regardless of their abilities, professions and knowledge.

Research is showing, however, that open data, besides being physically inaccessible to people with special needs, those are also semantically inaccessible to people who lack data science expertise.

In order to identify specific accessibility challenges associated with open government data portals and datasets, we conducted an analysis using seven principles of Universal Design.

In total, nine challenges are identified based on issues discovered. Three challenges are identified on the web portal interface level, namely: dataset filtering and categorization, access using a keyboard, and breadcrumb and back navigation.

The other six challenges are identified on dataset level: dataset previewing, dataset size, dataset formats, dataset purpose, dataset labelling, and dataset literacy. For each challenge, we propose recommendations as a means to incite a discussion about the features that open data should possess in order to be widely accessible, including people with disabilities and those lacking data science expertise and knowledge.

Designing technology for neurodivegent users

Neurodiverse people already know they need to be involved the design of emerging technologies from the very beginning and throughout the process. But this isn’t always recognised by designers. A new paper supports their claims and concludes that neurodiverse users should be engaged as active participants “front and center in the research and design process”.

The ten researchers involved in the project say that Human Centred Design works better than the principles of user-centred design. You will need institutional access for a free read from SpringerLink. However, it is also available on ResearchGate.

The title of the paper is, Designing Technologies for Neurodiverse Users: Considerations from Research Practice.

From the abstract

This paper discusses the perspectives of ten investigators experienced with design of technologies for and with neurodiverse users. Although the advances on emerging technologies improved their potential to assist users with neurodiverse needs, existing methods for participatory design, usability tests and evaluation have been created for, and validated with, able-bodied users.

User-centered design methods are not always well-suited to meet the unique needs of neurodiverse individuals. Therefore, to involve neurodiverse users iteratively in the design process, investigators need to adapt traditional methods from Human Centred Interaction to successfully conduct user studies.

Through an online questionnaire, we identified the experimental designs commonly adopted and the major problems investigators face during recruitment, data collection, analysis and design.

Based on the analysis of the investigators’ experiences, we provide nine recommendations to conduct studies with neurodiverse users, aiming at engaging them as active participants front and center in the research and design process.

Designing software with adolescents with autism

With the right supports and understanding adolescents with autism can make a significant contribution to software design. Applications for people with differing needs is a challenge for designers. So going directly to the users and working with them is the best solution.

An Australian study did just that and found that once participants felt safe they readily engaged in the workshop activities. Participants also learned from their input and engaged with the iterative design process.

The agreed overall goal of all stakeholders was to devise a platform where adolescents with autism could interact and socialise. Designers usually start out with goals in mind, but they used an open-ended approach so that participants could explore their needs to determine their goals for the software. The outcome was a co-designed app for smartphones and smartwatches.

While this article is about software design, the processes and learnings are relevant to other design disciplines. The article uses the term “Autism Spectrum Disorder”. However, the notion of autism being a disorder is challenged by many people with autism. The article is titled Co-designing with Adolescents with Autism Spectrum Disorder: From Ideation to Implementation. It is open access and the researchers are based at James Cook University.

Abstract:

Most co-design-based Autism Spectrum Disorder (ASD) research is conducted with children and does not involve the participants directly. Studies have shown that people with ASD can take on the co-designer role in early phases of the software design process.

We present a longitudinal study that investigates how adolescents with ASD participate as co-designers in an iterative software design process. In this work, we conducted seven co-design workshops with six adolescents with ASD over eight months.

The team exchanged ideas and communicated through group discussion and drawings. Our findings suggest that: (1) parents, community group and fellow participants play a pivotal role in supporting a longitudinal ASD co-design study and (2) adolescents with ASD are also able to make better design decision over an iterative software design process. These findings should be considered when engaging adolescents with ASD as co-designers in a software design process.

Category: ICT Research papers

Good colour contrast for websites

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