GiveWell did some of this research in 2019 (summary, details):
We provided funding and guidance to IDinsight, a data analytics, research, and advisory organization, to survey about 2,000 people living in extreme poverty in Kenya and Ghana in 2019 about how they value different outcomes.
GiveWell did some of this research in 2019 (summary, details):
Oh awesome! I’ll check that out.