Political Research Quarterly, Vol. 66, No. 2 (JUNE 2013), pp. 280-291 (12 pages) This article argues that concept misformation and conceptual stretching undermine efforts to combine qualitative and ...

This paper presents some concepts and methodology essential for the analysis of population dynamics of univoltine species. Simple stochastic difference equations, comprised of endogenous and exogenous ...

This report presents estimates of the number of unauthorized immigrants in the United States as of July 2023 and for earlier years. These estimates supersede all previously published Pew Research ...

A conceptual model in business is a plan, blueprint or strategy based on an idea. For example, a car company might create a conceptual model of a new car based on several or a single concept in design ...