You can’t beat articles like this one. It’s clear, concise and gives you very actionable improvement ideas. It’s come at a really prescient time for me too as one of the focuses of the studio at the moment is streamlining user flows for an often, older user-base.
This point specifically speaks to us at the moment:
In forms, present one question or one topic per screen
I can tell you for a fact, this alone is a complete game changer in terms of user success and user-friendly data entry.