“…Finally, beyond the differences in characteristics, we note that Riverside and Los Angeles are of interest as focal counties because of their long-standing work-first WTW models, having been the subject of experimental evaluations during the AFDC waiver period (Freedman, Friedlander, et al, 2000;Freedman, Knab, et al, 2000). Those two counties, as well as Alameda and Sacramento counties, have also been included in evaluations of various CalWORKs reforms (Crow et al, 2006;London and Mauldon, 2006;Klerman and Burstain, 2008;Zellman et al, 1999).…”