Research survey. Final version?

Hi Folks
I redid the research survey, as per the feedback on screen readers. See
preview
<https://docs.google.com/forms/d/e/1FAIpQLSc4ugu4iWRlEQ84-NWJmaiwtVWkXD1mhdCxB6MMy8N_mT56Bg/viewform>
.

I also put any subheading text in the actual questions as that seemed to
work better with screen readers as well.

Are we happy with it now?

All the best

Lisa