نتایج جستجو برای: selected through multistage cluster sampling
تعداد نتایج: 1991190 فیلتر نتایج به سال:
Psychometric Properties of a Screening Instrument for Domestic Violence in a Sample of Iranian Women
BACKGROUND Domestic violence against women is regarded as an important health problem among women and a serious concern in issues related to human rights. To date, a few screening tools for domestic violence exist for Iranian married women, but they assess only some of the domestic violence components. OBJECTIVES The present study aimed to design and determine the validity and reliability of ...
Airlines must dynamically choose how to allocate their flight capacity to incoming travel demand. Because some passengers take connecting flights, the decisions for all network flights must be made simultaneously. To simplify the decision making process, most practitioners assume demand is deterministic and equal to average demand. We propose a multistage stochastic programming approach that mo...
Fertility pattern and reproductive behaviours affect infant death in Nigeria. Household food insecurity and poor care practices also place children at risk of morbidity and mortality. The objectives of this study were to assess the influence of family size, household food security status, and child care practices on the nutritional status of under-five children in Ile-Ife, Nigeria. The study em...
In this work, we propose a decimator filter able to deal with GSM, WCDMA, WLAN 802.11(a/b/g) and WiMAX By taking into account the operating frequency, bandwidth and intermodulation effects, an appropriate input sampling frequency is selected. Meanwhile, with the parameters of blocking and interference profile, Passband limits and Passband ripple, for all this radio communication standard, we ar...
This study examined the relationship between medical advice to engage in physical activity with type of demand required by physical activity and demographic variables. A cross-sectional study was developed, featuring a questionnaire on physicians' advice, and type of demand. The questionnaire was completed by a probability and nationwide sample of older adults in Spain (n = 933, M = 74.1, range...
This was an intervention study to assess the effects of health education on the knowledge and attitudes to emergency contraception (EC) by female students of University of Nigeria in southeast Nigeria. A structured questionnaire was used to collect data from 337 female students of a tertiary educational institution (150 in the study group and 187 from the control group) who were selected by mul...
article history: received date: 13 september, 2016 review date: 2 october 2016 accepted date:20 november 2016 printed on line: 5 january purpose: the present study was done to introduce an efficient tool in the field of moral behavior. material & method: method of the study was correlational, its approach was test developing and its population was students of islamic azad university- astara and...
The precision of parameters estimation are determined by the sample size and the sampling design used in a study. Due to such practical constraints as the budget and manpower, most large-scale educational studies would not adopt the simple random sampling design. TIMSS 2007 used a two-stage stratified cluster sampling design. In the first stage, about 150 schools were selected according to some...
1Department of Obstetrics and Gynaecology; 2Department of Community Medicine, Faculty of Medicine, Omdurman Islamic University, Omdurman, Sudan (Correspondence to T. Umbeli: umbelli1@hotmail,com). ABSTRACT In this descriptive study, the main objective was to determine the magnitude of unmet need for family planning among women of child-bearing age (15–49 years) in Dar Assalam. Using a detailed ...
purpose: despite growing interest and increased investments in empowerment, the development of instruments and indicators with which to monitor and evaluate empowerment processes and outcomes are still at an early stage. the main goal of this study was to introduce and test the world bank empowerment model for assessing the economic empowerment of rural people and to identify contexts and facto...
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