“…Examples include pay-for-success (PFS) models (Butler, Bloom, & Rudd, 2013;Jha, Joynt, Orav, & Epstein, 2012;Roman, Walsh, Bieler, & Taxy, 2014) through both federal agencies (Greenblatt & Donovan, 2013;Haskins & Margolis, 2014) and private foundations (Ryan & Taylor, 2012). NPHSOs are one of the key community-based settings through which the "what works" trend is expressed at the local level.…”