An evaluation methodoloy is said to have internal validity if one can be reasonably confident that the measured impact is an unbiased estimate of the true impact. See http://runningres.com/ for more information.
The Abdul Latif Jameel Poverty Action Lab (J-PAL) is a global research center working to reduce poverty by ensuring that policy is informed by scientific evidence. Anchored by a network of more than 1,000 researchers at universities around the world, J-PAL conducts randomized impact evaluations to answer critical questions in the fight against poverty.
The Abdul Latif Jameel Poverty Action Lab (J-PAL) is a global research center working to reduce poverty by ensuring that policy is informed by scientific evidence. Anchored by a network of more than 1,000 researchers at universities around the world, J-PAL conducts randomized impact evaluations to answer critical questions in the fight against poverty.
An evaluation methodoloy is said to have internal validity if one can be reasonably confident that the measured impact is an unbiased estimate of the true impact. See http://runningres.com/ for more information.