3 ms·
It’s been done. The secret is to reward participants and make it long term. Check out the General Social Survey conducted by NORC. It’s one of the longest runni
by wombatpm 3y ago
It’s been done. The secret is to reward participants and make it long term. Check out the General Social Survey conducted by NORC. It’s one of the longest running longitudinal surveys with multiple cohorts tracking the public’s changing views on a variety of issues combined with detailed demographic data.