نتایج جستجو برای: empirical criteria
تعداد نتایج: 455820 فیلتر نتایج به سال:
In the wake of differential quality of theories, where some outshine others by way of, for instance, scope of explained phenomena or track record of empirical support, I review a series of criteria to judge the merit of multiple theories. The six criteria include comprehensiveness, precision and testability, parsimony, empirical validity, and both heuristic and applied value. I then utilize the...
Let F be a class of measurable functions f :S 7→ [0,1] defined on a probability space (S,A, P ). Given a sample (X1, . . . ,Xn) of i.i.d. random variables taking values in S with common distribution P , let Pn denote the empirical measure based on (X1, . . . ,Xn). We study an empirical risk minimization problem Pnf →min, f ∈ F . Given a solution f̂n of this problem, the goal is to obtain very ge...
The process of ductile fracture which occurs due to the accumulation, growth and combination of defects or cracks of material is called ductile damage. Failure in materials can be predicted, using damage mechanics and damage criteria. On the other hand, most of the materials depended to the manufacturing process, are formed in warm or hot conditions so that; the temperature also affects on the ...
Introduction: Environmental psychology is an empirical science; the foundation of this science is based on research in which hypotheses are tested through empirical observations. Research studies on environmental psychology are modeled on a variety of research questions. Literature review indicates that the need for comprehensive research in the field of introduction and analysis of the leading...
this article describes a knowledge management (km) success model that is derived from observations generated through an empirical study of km in an iranian consultant company and km success factors in the literature which is shown that company has a weak situation in each factor. so company needs a measurement model in order to assess knowledge management implementation processes in each step t...
BACKGROUND Facilitation of mutual participation, respectful and egalitarian relationship between the mother and the midwife during childbirth is a critical aspect. This article delineated the criteria that would facilitate the implementation of woman-centred care in childbirth units of the Limpopo Province in South Africa, following a concept analysis described in Part 1. Empirical referents or...
Introduction: Liver dystemperament is one of the main concepts of Iranian Traditional Medicine. However, the significance of its diagnostic criteria is not clear. The purpose of this study is to determine the major and minor diagnostic criteria of liver dystemperament in Iranian Traditional Medicine. Methods: This study is a qualitative study based on a hybrid model or a combination of theoret...
BACKGROUND The lack of standardized criteria for defining chronic fatigue syndrome (CFS) has constrained research. The objective of this study was to apply the 1994 CFS criteria by standardized reproducible criteria. METHODS This population-based case control study enrolled 227 adults identified from the population of Wichita with: (1) CFS (n = 58); (2) non-fatigued controls matched to CFS on...
Self-esteem is an important aspect consistent in all stages of life that plays a role in emotional, social and psychological compliance. And this issue is more important at the time of old age, particularly in mental health. So, The aim of this study is to investigate the effect of brain gym exercises on Self- esteem in elderly.The following papers are an empirical study and the study sample in...
Choice between alternative flexible functional forms has received little explicit treatment in many empirical agricultural studies. Theoretical criteria and empirical techniques for choosing between flexible functional forms are reviewed. Theoretical topics include definitions of flexibility, mathematical expansions, separability, and regular regions. Empirical techniques examined are Monte Car...
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