Education officials between hierarchies and networks

Elected officials.

Topology of local health officials' advice networks: mind the gaps.

OBJECTIVE To determine how a health officials' advice network might contribute to a high-performing public health systems by facilitating diffusion of innovation and best practices. DESIGN A secondary analysis of cross-sectional data obtained from the National Association of County and City Health Officials 2010 Profile of local health departments (LHDs) using network analysis. SETTING The ...

بررسی رابطه مدیریت زمان با استرس شغلی درمعلمان تربیت بدنی و غیرتربیت بدنی شهر مشهد the relationship between time management and job stress of physical education teachers and non- physical education teachers mashhad

پژوهش حاضر با هدف بررسی رابطه مدیریت زمان و استرس شغلی انجام گرفت. بدین منظور از بین 18254 معلم شاغل در اداره آموزش و پرورش شهر مشهد در سال تحصیلی(89- 88 ) تعداد 100 نفرمعلم تربیت بدنی و 375 نفر معلم غیرتربیت بدنی از طریق نمونه گیری طبقه ای متناسب با حجم انتخاب شدند. آزمودنی ها پرسشنامه مدیریت زمان با پایایی 86/0 و پرسشنامه استرس شغلی، با پایایی74/0را تکمیل نمودند. در این تحقیق به منظور تجزیه و...

Correlation, Hierarchies, and Networks in Financial Markets

We discuss methods to quantitatively investigate the properties of correlation matrices of a financial system. Correlation matrices play an important role in portfolio optimization and in several other quantitative descriptions of asset price dynamics in financial markets. Specifically, we discuss how to define and obtain hierarchical trees, correlation-based trees and networks from a correlati...

Boundaries, Hierarchies and Networks in Complex Systems

Models used in the understanding of complex entities, like organisations, are problematic in several respects. After an introductory discussion of this problem, this paper addresses the problems associated with the boundaries of complex systems, arguing that although boundaries do exist, they have a peculiar nature. Similarly, it is argued that although hierarchies form an important part of the...