نتایج جستجو برای: pre stratified

تعداد نتایج: 354858  

2015
Yasar Tonta

Bibliometric measures for scientific journals such as journal impact factor, cited half-life, and article influence score are readily available through commercial companies such as Thomson Reuters, among others. These metrics were originally developed to help librarians in collection building and are based on the citation rates of published papers. Yet, they are increasingly being used, albeit ...

2017
D. TANNER KATHY S. WILLIAMS

Situated in university science departments as potential science-education change agents, science faculty with education specialties (SFES) reported differences in the origin of their positions depending on the nature of their institution. For instance, SFES at PhD-granting institutions most commonly reported being hired to relieve other faculty from teaching and service burdens. At MS-granting ...

2014
Acheampong Yaw Amoateng Ishmael Kalule-Sabiti

The present study used a stratified random sample of undergraduate students at a major Metropolitan University in the Gauteng province of South Africa to examine aspects of the contact hypothesis as originally formulated by Gordon Allport. Specifically, the study sought to examine the effects of two social settings, namely, educational and religious settings on students’ attitudes toward interr...

2014
Xiaolin Du Yunming Ye Yueping Li Ge Song

One popular solution to deal with large-scale relational networks is to derive a representative sample from huge relational networks. We expect this sample could represent the origin relational network well so that the sampled network can be used for simulations and further analysis instead of the origin one. In this paper, we propose a network stratified sampling algorithm using topologically ...

2012
Sai Tang Jianyu Yang Chao Zhang Dehai Zhu Wenju Yun

Through the monitoring network for cultivated land quality in county area, distribution and changing trend of the quality should be reflected. Besides, the quality of non-sampled locations should also be estimated with the data of sampling points. Due to the correlation among spatial samples, traditional methods such as simple random sampling, stratified sampling and systematic sampling are ine...

2002
Mike Wright Andy Lockett Paul Westhead Hans Bruining

Multivariate statistical analysis is utilized to explore the association between firm strategies, contributions made by venture capitalists and incentives for owners and employees and three exporting variables in a stratified random sample of 147 management buyouts and buyins. Firms focusing upon a diversified product/ service range and/or advertising were significantly more likely to be export...

2010
Danny Pfeffermann

This article attempts to answer the three questions appearing in the title. It starts by discussing unique features of complex survey data not shared by other data sets, which require special attention but suggest a large variety of diverse inference procedures. Next a large number of different approaches proposed in the literature for handling these features are reviewed with discussion on the...

Background and Aim: Time is the main determinant factor for survival chance in trauma patients. Therefore, this study was performed to determine the effect of management programs in trauma patients on time indices of pre-hospital emergency missions. Materials and Methods: In this controlled field trail, 60 pre-hospital emergency technicians were divided into two test and control groups, by mean...

عابدی, محمدرضا, لیاقتدار, محمدجواد, میرشاه‌جعفری, ابراهیم,

 AbstractObjectives: The purpose of this study was to prepare a norm table for Oxford Happiness Inventory in Isfahan University students. Method: 727 students were selected through random stratified sampling and were assessed using Oxford Happiness Inventory. Results were pre- sented using descriptive statistics and illustration of diagrams. Results: All scores were changed in percentile ranks,...

Aims: The present study aimed to investigate the relationship between self-efficacy, decision-making balance, and change processes with stress management in middle-aged women. Instrument & Methods: This cross-sectional study was performed in 2019 on 600 middle-aged women covered by Bushehr Comprehensive Health Services Centers. The method of sampling was stratified. Data was gathered by demogr...

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