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Showing 1 to 20 of 210 for “"stratified random sampling"”.

  1. The development and application of statistical sampling regime to map out hydrocarbons in sediments.

    Ahmed, Abdulwaheed SuleimanRobert Gordon University2005

    This thesis investigates and develops a stratified random sampling design for sediments in an offshore oil field environment. The sampling area was partitioned equally into sixteen zones. Stratification was based on the near-field and far-field areas, and the number of samples in each zone was …

    rgu Repository record

  2. ΣΥΜΒΟΛΗ ΣΤΗ ΜΕΛΕΤΗ ΤΗΣ ΔΙΑΡΘΡΩΣΕΩΣ ΤΟΥ ΠΑΡΑΓΩΓΙΚΟΥ ΣΥΣΤΗΜΑΤΟΣ ΤΗΣ ΠΡΟΒΑΤΟΤΡΟΦΙΑΣ ΤΗΣ ΘΕΣΣΑΛΙΑΣ, ΚΑΘΩΣ ΚΑΙ ΣΤΗ ΔΙΕΡΕΥΝΗΣΗ ΤΩΝ ΔΥΝΑΤΟΤΗΤΩΝ ΑΥΞΗΣΕΩΣ ΤΗΣ ΠΑΡΑΓΩΓΙΚΟΤΗΤΑΣ ΤΗΣ

    Apostolopoulos, Constantinos, Αποστολόπουλος, ΚωνσταντίνοςAgricultural University of Athens1986

    … SHEEP FARMS HAS BEEN STUDIED USING THE METHOD OF STRATIFIED RANDOM SAMPLING. QUESTIONNAIRES AND RECORDS WERE COMPLETED FOR EACH FARM AND THEY WERE USED TO PROVIDE A COMPLETE REGISTRATION OF THE ELEMENTS OF FARM-FINANCIAL AS WELL AS ANIMAL TECHNICAL ONES DURING THE PERIOD OF THE SAMPLE …

    greece Repository record

  3. Sampling strategies for forest aerial detection survey in Colorado

    Ha, Anh Quang, author, Reich, Robin M., advisor, Jacobi, William R., committee member, Lundquist, John E., committee member, Khosla, Rajiv, committee memberColorado State University. Libraries2015

    … my dissertation was to identify an appropriate sampling strategies to archive good estimates of total area damaged, to decrease survey cost, and to increase safety by reducing the amount of flights. To approach this goal, four sample designs for estimating total area damaged caused by various …

    colostate Repository record

  4. Efficient simulation techniques for large-scale applications

    Huang, Jen-ChengGeorgia Institute of Technology2015

    … kernels using the inter-launch and intra-launch sampling approaches. Second, GPUmech improves the simulation speed of GPGPU kernels by abstracting the simulation model using functional simulation and analytical modeling. Finally, SimProf applies stratified random sampling with performance …

    gatech Repository record

  5. A Quantitative Study of Social Capital Components, Self-Reported Health Status and Social Determinants of Health

    Cudmore, KarenBrock University2012

    … study used telephone survey interviews and stratified random sampling to collect data related to Social Capital (SC) and its components (trust and safety, reciprocity, civic engagement and collective action) and selected determinants of health variables in Niagara Region, Canada. Among the …

    brock Repository record

  6. The Financial Effect of 9-11 on Airports' Profit Margins

    Aasvestad, Lars

    … was selected for each region through a stratified random sampling process. Financial data for the time period 2000-2003 for the airports selected was collected and analyzed to find the financial impact that September 11, 2001 had on the airports. Throughout the research it became clear …

    nodak Repository record

  7. How Do Male and Female Public Parks and Recreation Professionals' Perceptions of Equity Affect Their Workplace Attitudes

    Anderson, Denise MarieUniversity of Illinois at Urbana-Champaign2015

    … Society membership list using a systematic stratified random sampling procedure. Chi-square, multivariate and univariate analyses along with independent t-tests were used for data analyses. Analyses indicated that there were significant differences between men and women with regard to …

    uiuc Repository record

  8. Komitmen organisasi sebagai variabel mediasi pengaruh kepuasan kerja terhadap Organizational Citizens Behavior (OCB) pegawai tetap bagian administrasi UIN Maliki Malang

    Yulianto, Nur Ahmad BudiUniversitas Islam Negeri Maulana Malik Ibrahim2014

    … penjelas). Teknik pengambilan sampel dengan stratified random sampling (pengambilan sampel secara acak perkelompok) pada pegawai UIN Maliki Malang sebanyak 53 pegawai. Peneliti menggunakan kuesioner sebagai alat pengumpul data. Sedangkan teknik analisis data yang digunakan adalah teknik …

    malang Repository record

  9. Superintendency turnover: a national survey of the perceptions and expectations of school board members

    Yock, Carla M.Virginia Polytechnic Institute and State University1989

    … Association. The study was completed using a stratified random sampling technique by state. Of the 94,716 board members in the population, 11,992 or 12.6% were surveyed. The response rate was 18%. The study was sponsored by The American School Board Journal, published by the National School …

    vt Repository record

  10. Vertebrated Richness of Waterfowl Production Areas in the Prairie Pothole Region of Minnesota

    Niesar, Sherry L.

    … regions. Study sites were selected by stratified random sampling within 4 physiographic regions in Minnesota: the Prairie Coteau, Sioux Drift Plain - Minnesota River Plain, Agassiz Lake Plain, and Border Prairie. Small mammals, amphibians, and reptiles were sampled using baited snap …

    sdstate Repository record

  11. An analysis of Academic Performance of Students with Hearing Impairment in Tanzania Secondary Schools

    Migeha, Geni JuliusThe Open University of Tanzania2014

    … Respondents were selected using purposive and stratified random sampling techniques. The findings indicated that a large number of students with hearing impairment have poor academic performance for various reasons, including lack of trained teachers, lack of common medium of communication as …

    ou-tanzania Repository record

  12. Home Range and Provisioning Use of Semi-Free-Ranging Ringtailed Lemurs (Lemur Catta)

    Savage, Jennifer Ann2013

    … of forage species was conducted through stratified random sampling in each home range. There was significant variation among troops in the amount of provisions consumed and significant variation in amount of provisions consumed across seasons. Home ranges varied in size significantly …

    gsu Repository record

  13. A national study of school board members' opinions about Acquired Immune Deficiency Syndrome and education

    Hatrick, Edgar B.Virginia Polytechnic Institute and State University1988

    … of The American School Board Journal using a stratified random sampling technique. Of the approximately 25,000 subscribers who are school board members, the researcher surveyed an 18% random sample by means of a mailed questionnaire. The study was sponsored by The American School Board …

    vt Repository record

  14. The Influence of Livestock grazing on Plant Species Diversity and Distribution at Kiranjeranje Ward-Kilwa District

    Magambo, NeemaThe Open University Of Tanzania2015

    … were collected in 30 established plots using the stratified random sampling method. For each plot established environmental data on edaphic factors and anthropogenic disturbances were also collected. The plant species were classified using a computer program TWINSPAN and detrended correspondence …

    ou-tanzania Repository record

  15. Needs, problems and stress of rural cancer patients : an interpretation according to the biomatrix theory

    Edwards, LynnDepartment of Psychology1988

    … of rural cancer patients from a widespread area, stratified random sampling of magisterial districts was applied and an attempt was made to interview all cancer patients who were living in each of the 21 magisterial districts sampled. Data on needs and problems were collected by use of a …

    cape-town Repository record

  16. Representative Policies for Displaying Art in Student Union Galleries and Public Spaces in the United States

    Logue, Laurel R.Virginia Tech1999

    … institutions were selected for study by a stratified random sampling of the 1997 membership list of the Association of College Unions International. A total of 67 institutions responded including 16 research universities, 33 comprehensive state universities, 15 liberal arts colleges, and …

    vt Repository record

  17. Organisational commitment and organisational citizenship behaviour : the mediating role of job insecurity among contract employees at selected Gauteng Provincial Government

    Mphahlele, Matete2021

    … data were collected from 180 respondents through stratified random sampling using a self-administered questionnaire. The study population comprised of lower management, middle management and top management employees from selected Gauteng provincial government departments. Data was analysed through …

    venda Repository record

  18. Examining Factors Affecting the Internal Efficiency of Education System in Community Secondary School.

    Kayanda, Severino DaudiThe Open University Of Tanzania2015

    … and students. The study deployed purposive and stratified random sampling to select the sample. Data collection methods interviews, questionnaires and review of documents. This study concluded that the current status of internal efficiency in community secondary schools in Kisarawe district is …

    ou-tanzania Repository record

  19. Perceptions of Innovations as Predictors of TALULAR Implementation Levels among Secondary School Science Teachers in Malawi: A Diffusion of Innovations Perspective

    Gwayi, Simeon MacksonVirginia Tech2009

    … the theoretical framework for the study. Using stratified random sampling, 269 science teachers, representing a response rate of 77%, provided data for this study. Among other findings, multiple regression analysis revealed that collectively, the perceived innovation characteristics are …

    vt Repository record

  20. Causes of stress among teachers: a study of selected public and private schools in Lusaka, Zambia.

    Muchindu, ChipegoThe University of Zambia2019

    … study focused on. The study also made use of two sampling techniques, these being stratified random sampling which was used for sampling the selected private and public school before using purposeful sampling which was useful in sampling the 70 respondents (60 teachers and 10 administrators) from …

    zimbabwe Repository record

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