The meaning of OPERATIONS RESEARCH is the application of scientific and especially mathematical methods to the study and analysis of problems involving complex systems —called also operational research.
What contributions can operational definitions make to ABCA research? This article examines how operational definitions contribute to scientific thought, how to use them in research, and what results can be expected.doi:10.2307/1162219Sager, Eric...
What contributions can operational definitions make to ABCA research? This article examines how operational definitions contribute to scientific thought, how to use them in research, and what results can be expected. 关键词: Adults Churches Community Programs Friendship Mental Retardation Nonprofit Organiza...
Tuckman (1978) identifies three types of operational definitions. A typeAoperational definition can be constructed in terms of the operations performed to cause the phenomenon to occur. Fear - state produced by exposing an individual to an object highest in his or her hierarchy of objects to be...
Operational Definitions of Poly-Victimization: A Scoping Review: Throughout the last two decades, research on poly-victimization (PV) has evolved from examinations of a core set of past-year victimization types in youth ... CM Ogle,C Harmon-Darrow,L Fedina,... - 《Trauma Violence & Abuse》...
Various definitions of ecotourism exist in the literature. The definition of ecotourism is important for determining the boundary of the ecotourism industr... W Jie - 《Biodiversity Conservation Studies in Its Economics & Management Mainly in Yunnan China》 被引量: 4发表: 1995年 Advances in ecotour...
In quantitative social research, the operational definition of migrant is of critical importance. The foreign birth and foreign citizenship criteria most commonly applied to operationalise migrants in research are neither interchangeable nor mutually exclusive. M...
Operational definitions for the NINDS-AIREN criteria for vascular dementia: an interobserver study. BACKGROUND AND PURPOSE: Vascular dementia (VaD) is thought to be the most common cause of dementia after Alzheimer's disease. The commonly used Internation... EC van Straaten,P Scheltens,DL Knol...
It is intended that this research will set up operational definitions of style and will study the fundamental phenomenon of style. Four experiments were conducted. In experiment 1, college students were asked to sort out pictures of buildings having the same style to test operational definition. Th...
We then turn our attention to two limitations in the literature on that have arisen via previous definitions and assumptions regarding science teacher beliefs, showing how defining beliefs operationally helps think about these issues in new ways. The two limitations surround: (1) the difficulty in ...