In the first part of the article (“Sociological Studies”, № 5, 2015) circumstances, origins and timing of this new organization development (OD) model were described. The model constructed in 1970–1980th and designated as “Population selectivity model oforganization development” (PSOD) questioned a number of canonical ideas on which system adaptivity models of OD were founded and offered a principally new scheme of organization structure changes. The scheme is described in this second partof the article along following parameters: a) basic ideas about the nature of organizations underlying the model; b) PSOD explanation scheme; c) mechanisms and logic ensuring process flow; d) modeling process of logic and guidelines of changes; f) cases ofconstructing social technologies (ST) on its basis; е) its prognostic capabilities. The PSOD scheme is based on the idea of OD as a two-phaseprocess of structure changes provoked by environment and expressed in widening their “social cultural repertoires” going on the level of the whole“organization population” in the logics of “natural selection” and selection of samples.