Not necessarily research with citations, but the UK.GOV design system is pretty great with recommendations especially around usability and lowering confusion.

Not necessarily research with citations, but the UK.GOV design system is pretty great with recommendations especially around usability and lowering confusion. https://design-system.service.gov.uk/ https://design-system.service.gov.uk/ There's also the Nielsen Norman Group to read through: https://www.nngroup.com/ https://www.nngroup.com/