Random assignment is considered the gold standard when conducting program outcome evaluations because it ensures that both groups are very similar and...
In this Reentry Talk from the American Institutes for Research, Kim Godfrey Lovett, Executive Director of the PbS (Performance-based Standards) Learni...
This brief video discusses three methods to consider in selecting a comparison group for an outcome study: (1) random assignment, (2) nonequivalent co...