Dissertations / Theses on the topic 'Retention'
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Gallmon, Wanda Elaine. "Kindergarten Retention." UNF Digital Commons, 1991. http://digitalcommons.unf.edu/etd/184.
Full textSmith, Alexander Paul. "Student Retention and Retention Information Systems in Higher Education." Thesis, The University of Arizona, 2013. http://hdl.handle.net/10150/297763.
Full textVanerek, Alois. "Filler retention in papermaking by polymeric and microparticulate retention aid systems." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=85655.
Full textIn the presence of anionic dissolved and colloidal substances, the amount of cationic polyacrylamide had to be increased in order to achieve the same degree of pigment flocculation. The reason for the increase was due to the fact that the cationic polyacrylamide formed a polyelectrolyte complex with the anionic substances, namely sulfonated kraft lignin. The reaction between cationic polyacrylamide and lignin was found to be nearly stoichiometric. Low molecular weight cationic polyacrylamide formed mostly colloidal complexes while high molecular weight cationic polyacrylamide formed predominantly coacervate complexes; this was mainly due to differences in characteristic times of lignin association with the cationic polyacrylamide, clustering of polyacrylamide molecules and reconformation of polymer chains.
The performance of two-component retention aid systems consisting of a cationic polyacrylamide and anionic microparticles were evaluated by deposition of calcium carbonate filler on pulp fibers. Kaolin clay and bentonite were used to heteroflocculate polyacrylamide-covered surfaces of the fibers and pigment. Due to their inability to delaminate, kaolin clay and acid-treated montmorillonite showed no effect of calcium carbonate filler deposition. After cation exchange with sodium-rich solutions, which caused the montmorillonite to delaminate, the montmorillonite flocculation efficiency considerably improved. Kaolin clay neither delaminated after the cation exchange nor improved calcium carbonate deposition. Bentonite was found to completely delaminate when using polyacrylamide-treated fibers. When added to a suspension of fibers, filler and cationic polyacrylamide, bentonite was found to be in a form of stacks containing on average four platelets.
An alternative way to paper filling with pigment was tested on stationary sheets and on slow and fast Fourdrinier pilot paper machines. Using a secondary headbox on the pilot paper machines, a high degree of loading (above 30%) could be achieved using positive clay or calcium carbonate fillers. However, the fillers lowered the paper strength as they interfered with the fiber-fiber bonding in a similar fashion found in conventionally filled papers.
Svedberg, Anna. "Improvement of the retention-fromation relationship using three-component retention aid systems." Doctoral thesis, KTH, Fiberteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-96259.
Full textCooney, Katherine M. "Retention of child care staff understanding predictors of retention with survival analysis /." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Thesis/Spring2008/k_cooney_042108.pdf.
Full textMitsui, Kenichi. "Mechanism of fines retention and drainage with a polyacrylamidebentonite retention aid system." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=33338.
Full textROMAN, Marcia. "STUDENT RETENTION IN FLORIDA COMMUNITY COLLEGES:CCSSE'S RETENTION INDEX AND FLORIDA ACCOUNTABILITY MEASURES." Doctoral diss., University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3539.
Full textEd.D.
Department of Educational Research, Technology and Leadership
Education
Educational Leadership
Poon, Michael. "Deuterium retention in tungsten." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0008/MQ40899.pdf.
Full textRuiz-Mesa, Kristina. "Diversity retention through micropractices." Click here for download, 2007. http://proquest.umi.com/pqdweb?did=1338858821&sid=1&Fmt=2&clientId=3260&RQT=309&VName=PQD.
Full textClayton, Patricia Ann. "The retention of teachers." Thesis, Cranfield University, 1995. http://hdl.handle.net/1826/3524.
Full textGauffin, Oskar. "Prediction of retention time." Thesis, Uppsala universitet, Tillämpad matematik och statistik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-253933.
Full textSiyotula-Manyoha, Nonzukiso. "Retention of black managers." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/22833.
Full textDissertation (MBA)--University of Pretoria, 2012.
Gordon Institute of Business Science (GIBS)
unrestricted
Bartoszuk, Karin. "Overview of Retention Project." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/4166.
Full textLinn, Robert A. "Information warfare officer retention using a capabilities-based assessment to solve retention issues." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Dec/09Dec%5FLinn.pdf.
Full textThesis Advisor: Buttrey, Samuel E. Second Reader: Shattuck, Lawrence G. "December 2009." Description based on title screen as viewed on January 26, 2010. Author(s) subject terms: retention, manpower, manning, personnel, critical skills retention bonus, capabilities based assessment, information warfare officer, functional area analysis, functional needs analysis, functional solutions analysis, prior enlisted, source of commission, survey, monetary solution, non-monetary solution. Includes bibliographical references (p. 223-226). Also available in print.
Goltra, Robert Joseph III. "Student Retention Matters| A Study of Community College Student Retention Characteristics, Models, and Programs." Thesis, Lindenwood University, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13806283.
Full textThe purpose of this study was to determine if retention of first-year college students was influenced by specific variables and programs at one Midwest community college. The study was focused on responses from the Community College Survey of Student Engagement (CCSSE) (Center for Community College Student Engagement, 2013) and peer mentoring program data. Data and retention were measured using Wald chi-square tests and t-tests, respectively. The CCSSE benchmarks were Academic Challenge, Active and Collaborative Learning, Student Effort, Student-Faculty Interactions, and Support for Learners. Benchmarks were analyzed using student variables age, gender, working for pay, student loans, and race/ethnicity. Benchmarks titled Student Effort and Support for Learners had a significant impact on retention. The relevance of this finding became clear through analyzing specific student variables to determine their impact on each specific benchmark. Also investigated were the retention rates of first-time students who participated in the college’s peer mentoring program and first-time students who did not participate in the college’s peer mentoring program. Following analysis of the data, there was a statistical difference in the retention rates of first-year, peer-mentored students and non-peer mentored, first-year students. The peer mentoring program was also studied by analyzing the effects peer mentoring had on students who were on academic probation. No statistically significant difference was found in retention rates of students who remained on academic probation and their peers who had moved off probation. Data for all aspects of peer mentoring suggested program consistency positively affects retention rates of first-year students.
Shcheglov, Sergii, and Iuliia Shcheglova. "Retention of the restaurants’ customers." Thesis, Gotland University, Institution 2, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hgo:diva-426.
Full textAim of this paper is to describe and analyze why customers come back to the restaurants, what influence their decisions. During the research we formulate 2 hypotheses. Hypotheses 1 – most reasons of the restaurants’ customers retention can be associated with restaurants’ service elements adapted from the 8Ps of Service Marketing Model. Hypotheses 2 - retention and loyalty have unidirectional relation – loyalty means retention of the customer, but retained customer doesn’t mean loyal. The results of empirical research support both hypotheses. Also during the empirical research we have highlighted some interesting results which are visualized in Illustration 5.1, Illustration 5.2 and Illustration 5.3. In research qualitative and quantitative approaches are used. Data collection method is interview. One deep interview was conducted with restaurant manager in order to enhance the quality of results interpretation. The results of the research can be used by marketers especially in restaurant sphere in order to better understand what influence customers’ behavior and why they come back to the service provider. Also restaurants’ managers can use our findings as a tool to increase the retention rates by adjusting relevant restaurants’ service elements within their restaurant.
Burr, Christina Mary. "Retention prediction in RP-HPLC." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/27346.
Full textSaunders, Darla L. "Nitrogen retention in freshwater ecosystems." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq64444.pdf.
Full textVass, John D. V. "Retention in the Canadian Forces." Fort Leavenworth, KS : US Army Command and General Staff College, 2007. http://handle.dtic.mil/100.2/ADA475574.
Full textTitle from title page of PDF document (viewed on: Apr 2, 2008). Includes bibliographical references p. 89-93.
Du, Mont Robert B. "Junior Surface Warfare Officer retention." Monterey, California. Naval Postgraduate School, 1997. http://hdl.handle.net/10945/8598.
Full textThe purpose of this thesis is to identify factors that lead to resignation of Junior Surface Warfare Officers (SWO) and to develop an hedonic model of junior SWO turnover. The first source of data was a survey of active- duty, junior SWOs currently serving aboard ships. The second source of data was a survey of 0-3 SWOs who are currently drilling in the Naval Reserves. Results of the two surveys were compared to identify differing levels of satisfaction with the active-duty Navy. The reservists also compared their satisfaction between the active-duty Navy and their current civilian employment Civilian salary levels were obtained from the reservists and their spouses to determine the pay differential between the Navy and civilian jobs for former junior SWOs. A regression model found three factors to have significant power in explaining civilian pay: years since leaving active duty, employment status, and comparative work stress between civilian employment and the active-duty Navy. SWOs with full-time employment who experienced the greatest reductions in pay also experienced the greatest reduction in work Stress. Junior SWOs experienced, on average, a 20 percent pay cut after leaving active duty. Pay returned to its pre-departure level in 2 to three years
Chin, Chi-yan, and 錢誌恩. "Grade retention: the student' perception." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B3195778X.
Full textBurgess, Michael S. "Mechanisms of microparticle retention systems." Thesis, University of Manchester, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.617001.
Full textPatterson, Adele. "Retention properties of porous graphite." Thesis, University of Nottingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.342124.
Full textHashemian, S. J. "Biomass retention in anaerobic filters." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234397.
Full textTseng, Kuo-Shu. "Volatile retention during drying process." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326958.
Full textÅberg, Lisa, and Jessica Henry. "Employee Retention : Utifrån ett generationsperspektiv." Thesis, Högskolan i Skövde, Institutionen för handel och företagande, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-15223.
Full textBackground: In the last couple of years there has been an ongoing change in the Swedish labor market where the knowledge-intensive companies find it harder to retain employees. This because highly educated employees generally are less experience less loyal towards the employer. Why companies wish to retain employees is because they aim for a low employee turnover, which is considered to be important for companies in several aspects. The study focus on important variables for employees, which makes them stay at a company, using a generation perspective. This perspective is used because employee’s work values and preferences are found to be affected by generational belonging. Purpose: The purpose of this study is to explore which variables that make employees with different generation belongings stay at knowledge-intensive companies. This by illustrating Employee Retention from the employee’s perspective and using a generation perspective. Method: The study applies a qualitative approach since the purpose is to explore the employee’s experienced reality. A case-study method is also applied since it’s suitable for complicated social phenomenon. Fundamental for a case-study is to combine different data collection methods, which is why 10 semi-structured interviews and 25 questionnaires are made within the case-company. The analysis of the data was then made with directions of an analysis strategy, which lead to the conclusion of the study. Conclusion: This study has identified the most important Employee Retention-variables within each generation, which also acknowledge that the generational belonging affects the variables that the employees value and consequently makes them stay at a company. The study has also shown that the most important variables that are identified in the different generations, also are found in the psychological contract. If knowledge-intensive companies identifies these variables and thereby strengthen the psychological contract, the output will be organizational loyalty and Employee Retention.
Foley, Virginia P. "Recruitment and Retention of Teachers." Digital Commons @ East Tennessee State University, 2011. https://dc.etsu.edu/etsu-works/5993.
Full textTomchin, Ellen Menaker. "Teachers' beliefs about grade retention." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/71277.
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McKenna, Michelle Bena. "Improving Student Art Vocabulary Retention." VCU Scholars Compass, 2006. http://scholarscompass.vcu.edu/etd/1543.
Full textChin, Chi-yan. "Grade retention : the student' perception /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1470948X.
Full textNatho, Stephanie. "Modelling nutrient retention in floodplains." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät II, 2013. http://dx.doi.org/10.18452/16854.
Full textAlthough there are detailed studies on nutrient retention in single wetlands and floodplains, the role of riparian floodplains for nutrient retention is not investigated very well on a landscape scale, since knowledge on the most important parameters for nutrient retention, inundated floodplains and incoming load, is insufficient. Additionally, a method for describing these parameters as discharge dependent variables is missing. Therefore, the present work analyzes the flooding frequencies on floodplains of three study rivers, Elbe, Main and Rhine. The relation of inundated floodplain extent and current discharge conditions based on detailed results of the established Software Flys is deduced empirically. Based on these subsequently generalized results, finally event related average inundated floodplain extent respectively, incoming nutrient loads are calculated by considering the effects of the hydrologic conditions of each river system. Therefore, available geodata as well as data on water quality and discharge is processed and serves as input data for yearly and monthly empirical retention models. The calculated nutrient retention in floodplains varies with hydrological connectivity of the floodplain to the surface waters as well as with the current hydrologic condition of the river system. For this reason the finally developed concept of event related nutrient retention is suggested as the most realistic in combination with hydro-exponential retention models. The Elbe floodplains are the most natural, and in years with high floods nutrient retention in the floodplains contributes up to 9% respectively 10% of the monthly transported load of TP and NO3-N, which is significant. The transfer of the results to a German-wide application is possible due the generalization of the methods carried out. With the presented results the hydrology dependent role of floodplains for nutrient balances in river systems can be quantified on a landscape scale.
Dixon, Sherry Ann. "Retention of Information Technology Employees." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/3152.
Full textSquillaci, Laurie Lynn. "Preceptor Training and Nurse Retention." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/303.
Full textBrinegar, Tina Melissa. "Retention of the Experienced Nurse." ScholarWorks, 2017. https://scholarworks.waldenu.edu/dissertations/4597.
Full textAlbarran, Ruth Maria, and Ranee Taechameena Sahachartsiri. "Foster parent satisfaction and retention." CSUSB ScholarWorks, 2008. https://scholarworks.lib.csusb.edu/etd-project/3399.
Full textMuhuro, Patricia. "Implementation of student retention programmes by two South African universities: towards a comprehensive student retention model." Thesis, University of Fort Hare, 2014. http://hdl.handle.net/10353/d1016085.
Full textAlm, Therese. "Characterization of retention chemicals and their effect on the paper forming process on machine PM4, Billerud Korsnäs Gävle Mill." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-93424.
Full textWong, Pamela. "A comprehensive survey of retention procedures /." [St. Lucia, Qld.], 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17941.pdf.
Full textClevenger, Pamela L. "Managerial leadership behaviors and nurse retention." Muncie, Ind. : Ball State University, 2009. http://cardinalscholar.bsu.edu/699.
Full textThewalim, Yasar. "Retention time predictions in Gas Chromatography." Doctoral thesis, Stockholm University, Department of Analytical Chemistry, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-55088.
Full textAt the time of the doctoral defense, the following paper was unpublished and had a status as follows: Paper 4: Submitted.
Guma, Pendulwa Vuyokazi. "Organisational factors impacting on employee retention." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1530.
Full textMaksimovic, Stefan. "Long-term Retention of Proprioceptive Recalibration." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36573.
Full textHall, Henning, and Alexander Lantz. "Game mechanics’ effects on user retention." Thesis, Linköpings universitet, Interaktiva och kognitiva system, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-143710.
Full textCocks, Simon. "Retention studies in supercritical fluid chromatography." Thesis, Loughborough University, 1992. https://dspace.lboro.ac.uk/2134/27880.
Full textReid, Douglas. "Knowledge retention in computer-based training." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ65050.pdf.
Full textWall, Roland. "Ecological conditions of stormwater retention ponds." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 56 p, 2007. http://proquest.umi.com/pqdweb?did=1253509771&sid=2&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Full textHendriks, Margriet Megtilda Wilhelmina Bartholomea. "Nonlinear retention modeling in liquid chromatography." [S.l. : [Groningen] : s.n.] ; [University Library Groningen] [Host], 1996. http://irs.ub.rug.nl/ppn/148573207.
Full textInman, Barbara LeSeur. "Addressing student retention at Hampton University." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 133 p, 2008. http://proquest.umi.com/pqdweb?did=1456298061&sid=5&Fmt=2&clientId=8331&RQT=309&VName=PQD.
Full textDʹAngelo, Donna Jean. "Mechanisms governing phosphorus retention in streams /." This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-08252008-162550/.
Full textMattar, Andrew A. G. "On the retention of learned dynamics." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84060.
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