attitude toward motherhood among societies has changed over time and fertility rates have decreased. mothering and motherhood are rapidly expanding subjects of the literature of the context. a set of these studies has a more macro focus in terms of origins of motherhood and how it is manifested in practice. in the current research, based on parson's general theory of action (a.g.i.l), moth...

Background: Breakfast is the most important daily meal, but neglected more than other meals by children and adolescents. The aim of this study was to evaluate the effectiveness of an educational intervention, based on the Theory of Reasoned Action (TRA) to increase breakfast consumption among school children in Bandar Abbas, Iran. Methods: In this quasi experimental study which was conducted...

a quantum theory of a two and three-level laser with injected atomic coherence is developed by using a density operator method, to the best of our knowledge, for the first time. the initial atomic coherence plays an essential role. at steady state, the equation of motion for the density operator yields to exhibit laser without inversion and a phase locking but no threshold for the laser field. ...

this paper studies the role of the conceptual models of the policy makers in the quality of prioritizing problems in the agenda setting stage of public policy cycle.  several factors contribute to perceiving problems, presenting clear definitions of them, prioritizing them and then problem setting in the format of agenda for policy makers. however, expecting to examine the theories of enactment...

public health management is a pillar of public health practice. only through effective management can research, theory, and scientific innovation be translated into successful public health action. with this in mind, the u.s. centers for disease control and prevention (cdc) has developed an innovative program called improving public health management for action (impact) which aims to address th...