Ethical Concerns when Working with Mixed-Ability Groups of Children
Ana O. Henriques, Patricia Piedade, Filipa Rocha, Isabel Neto, Hugo Nicolau · 2024 · Proceedings of the 26th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '24) · doi:10.1145/3663548.3675648
Summary
This paper critically examines the ethical challenges researchers face when conducting studies involving mixed-ability groups of children — groups that include both children with and without disabilities working together. The authors draw on two case studies from their own research in Human-Computer Interaction (HCI) and Human-Robot Interaction (HRI) at a school in Lisbon, Portugal, involving children aged 6 to 10, some of whom had intellectual disabilities, autism spectrum disorder, or motor impairments. Rather than presenting new experimental results, the paper takes a reflective approach, analysing the ethical dilemmas that arose during these studies and offering guidance for other researchers. The first case study involved co-designing a tangible programming game with mixed-ability groups, while the second examined children's reactions to a social robot in classroom settings. In both cases, the researchers encountered situations where standard ethics board approval and informed consent processes proved insufficient for the complex, evolving dynamics of working with children with disabilities. The authors highlight how traditional ethical frameworks in HCI tend to be procedural — focused on getting approval at the start of a project — rather than responsive to the ethical situations that emerge during the research itself. They argue for a shift toward what they call "micro-ethics," an approach grounded in care ethics that attends to the everyday, moment-to-moment ethical decisions researchers must make when working with vulnerable participants. The paper also examines the roles of gatekeepers (teachers, parents, special education staff) and how power dynamics between researchers and participants affect the ethical landscape.
Key findings
The paper identifies several key ethical tensions. First, standard informed consent processes are inadequate for children with cognitive disabilities — the researchers found that assent must be understood as ongoing and renegotiated throughout each session, not secured once at the start. Second, researchers often lack the expertise to fully support children with disabilities during studies, creating a dependency on school staff and special education teachers whose presence introduces its own power dynamics. Third, the concept of "mixed-ability" grouping itself raises ethical questions: while inclusive in intent, these settings can inadvertently highlight differences between children or place additional burdens on children with disabilities to participate in ways designed for neurotypical peers. Fourth, the authors found that children sometimes expressed discomfort or refusal non-verbally, requiring researchers to develop sensitivity to subtle cues rather than relying on explicit verbal withdrawal. Finally, the paper argues that Institutional Review Boards (IRBs) often apply a one-size-fits-all model that does not account for the iterative, unpredictable nature of participatory research with children with disabilities.
Relevance
This paper is highly relevant for anyone involved in user research or participatory design that includes people with disabilities, particularly children. It challenges the accessibility community to move beyond checkbox ethics compliance toward a more situated, relational approach. For practitioners, the key takeaway is that ethical research with mixed-ability groups requires ongoing reflexivity — continuously questioning whether participants are genuinely comfortable, whether accommodations are sufficient, and whether the research design itself may be creating exclusion. The paper's framework of micro-ethics offers a practical lens for teams conducting usability studies, co-design sessions, or any research involving participants with disabilities. Its limitations include a small number of case studies and a focus on school settings, but the ethical principles it surfaces are broadly applicable across accessibility research and practice.
Tags: ethics · mixed-ability groups · children · participatory design · inclusive research · human-computer interaction · human-robot interaction