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Transport électronique et Verres de SpinsPaulin, Guillaume 22 June 2010 (has links) (PDF)
The results reported in this thesis contribute to the understanding of disordered systems, to mesoscopic physics on the one hand, and to the physics of spin glasses on the other hand. The first part of this thesis studies numerically coherent electronic transport in a non magnetic metal accurately doped with frozen magnetic impurities (a low temperature spin glass). Thanks to a recursive code that calculates the two terminal conductance of the system, we study in detail the metallic regime of conduction (large conductance) as well as the insulating regime (small conductance). In both regimes, we highlight a universal behavior of the system. Moreover, a study of correlations between the conductance of different spin configurations of impurities allows us to link these correlations with correlations between spin configurations. This study opens the route for the first experimental determination of the overlap via transport measurements. A second part of this thesis deals with the study of the mean field Sherrington-Kirkpatrick model, which describes the low temperature phase of an Ising spin glass. We are interested here in the generalization of this model to quantum spins (i.e including the possibility to flip by quantum tunneling) of this classical model that was well studied during the past thirty years. We deduce analytically motion equations at the semi-classical level, for which the influence of quantum tunneling is weak, and we compare them with the classical case. We finally solve numerically these equations using a pseudo-spectral method.
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The critical role of an effective systematic training evaluation practice on learning value within a state owned company : a review and critiqueRamiah, Joyce 01 August 2014 (has links)
The critical role that an effective systematic training evaluation practice plays is in its ability to collect value systematically. The collected data is utilised to make a judgement or to evaluate learnings contribution. Without the training evaluation practice learning value is obscured.
The instructionnal systems design (ISD) Addie is assessed as the systematic structure that can greatly assist the training evaluation practice. It supports the proposal of collecting value throughout the training lifecycle for the holistic view of learning value. The Kirkpatrick and Phillips (K/P) summative framework will be used to assess the current practice in collecting post-learning data.
Addie was highly valued by the survey participants. The current summative practice in the organisation stops mainly at level two of the Kirkpatrick/Phillips model. The practice lacks comprehensive data collection at recommended best practice levels and is therefore, not effective, efficient and systematic in its approach to declare learning value. / Human Resource Management / M. Tech. (Human Resource Management)
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A Neoconservative Theory of International Politics?Mahabir, Lakshana 14 May 2018 (has links)
Neoconservatism has long had a tenuous relationship with International Relations theory. Despite an abundance of explanatory material and its influence in US foreign policy, few works in IR have attempted to build a stand-alone theory out of it. Furthermore, previous work on the topic has resulted in an under-developed and poor understanding of the movement’s core ideas. The thesis redefines neoconservatism as a trifecta of i) a set of explanatory ideas on world politics, ii) an approach to foreign policy, and iii) an ideology that stems from the European Enlightenment, all the way to the present day. Using this expanded conceptualization, the thesis builds a theory out of what can broadly be considered an ideology. The theory takes the form of an ideal-type construct and emphasizes hegemony in the international system. It offers an explanation for the causes of alliances, as well as regional and systemic conflicts. The theory also adopts a prescriptive function and offers an account of foreign policy analysis. It is highly recommended that the assumptions of the theory that are laid out here be tested in future work.
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The evaluation of a school-based substance abuse prevention programmeSchonfeldt, Anzel Elizabeth 29 October 2008 (has links)
This research report presents the findings of an evaluation of a school-based substance abuse prevention programme presented as part of Project Awareness. The programme was presented as a one-day intervention for grade ten learners in eleven schools in Tshwane. The prevention program taught substance abuse refusal skills, anti-substance norms, personal self-management skills, and general social skills in an effort to provide students with skills and information for resisting substance offers, to decrease motivations to use substances, and decrease vulnerability to substance use social influences. The study evaluated this school-based substance abuse prevention intervention in a sample of learners (N=300) in six of the eleven schools. Measures were obtained on a behavioural survey to ascertain whether any knowledge, behaviour or attitude change occurred between the pre-intervention and post-intervention phases. In addition, focus group data and observational measures were implemented to determine how the learners experienced the programme and whether the programme was effective in capturing the attention of the learners. Results indicated that, from learners perceptions of the programme, the intervention seems to have had a positive impact on substance abuse prevention, but not on changing the behaviour of learners already engaging in substance abuse. The results from the behavioural survey indicated some change in learner attitudes to some degree, but not behavioural change. Suggestions for the improvement of the programme were made throughout the report, and the observational measures specifically indicated that the more practical oriented tasks were more efficient in capturing the attention of learners. It is concluded that although the programme certainly had room for improvement, that the programme did indeed address relevant issues. The program also had a direct positive effect on several cognitive, attitudinal, and personality variables believed to play a role in adolescent substance use. / Dissertation (MA)--University of Pretoria, 2008. / Psychology / unrestricted
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À la défense de l’éco-anarchisme : analyse critique des arguments contre l’écologie sociale et le biorégionalismePoisson, Alexandre 08 1900 (has links)
Ce mémoire propose une défense de la pertinence de l’éco-anarchisme. Cette défense se fera à travers une analyse critique des arguments adressés à l’éco-anarchisme, ainsi que ses deux branches principales : le biorégionalisme et l’écologie sociale. Pour mener à bien ce projet, il sera nécessaire d’offrir un portrait détaillé des théories dont j’analyserai également les critiques. Ce mémoire commence par une présentation de l’éco-anarchisme, du biorégionalisme et de l’écologie sociale. Puis, il passe en revue les différentes critiques qui ont été émises sur ces théories. Cette analyse critique sert de base à la présentation d’un ensemble de recommandations, qui auront comme objectifs de pallier les failles mises en lumière par certaines critiques. Ces recommandations tourneront autour de trois objectifs principaux : soulever l’importance de confédérer les communautés ; soulever l’importance de créer des ponts entre l’éco-anarchisme et l’éco-féminisme et l’éthique du Care ; abandonner la branche du biorégionalisme. / This master thesis offers a defense of the relevance of eco-anarchism. This defense will be done through a critical analysis of the arguments made against eco-anarchism, as well as its two main strands: bioregionalism and social ecology. To carry out this project, it will be necessary to offer a detailed portrait of the theories from which we will analyse the critics. Therefore, the beginning of this thesis will be a presentation of eco-anarchism, bioregionalism and social ecology. Then, it will be necessary to establish a review of the various criticisms that have been made of these theories. Ultimately, this critical analysis will serve as the basis for the presentation of a myriad of recommendations, which will have the objective of remedying the flaws highlighted by certain criticisms. These recommendations will revolve around three main ones: highlight the importance of confederating communities; highlight the importance of building bridges between eco-anarchism and eco-feminism and the ethics of care; abandon the strand of bioregionalism.
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公務人員考試錄取人員基礎訓練成效評估之研究-以102年公務人員高等考試基礎訓練受訓人員為例 / A study on the Civil Service Examination Qualification Basic Training Effectiveness Evaluation:A Case Study of 2013 Senior Civil Service Examination Basic Training Trainees楊慧娟, Yang, Hui Chuan Unknown Date (has links)
我國公務人員考試錄取人員須經訓練及格才能成為正式公務人員,公務人員職前訓練分為基礎訓練與實務訓練,公務人員保障暨培訓委員會及所屬國家文官學院為辦理基礎訓練,每年均投入大量資金與人力,為瞭解訓練成效,爰進行本研究,並以102年公務人員高等考試錄取人員為研究對象,並以KirkpAtrick的四階層評估理論為基礎,針對反應層次與學習層次進行研究,以瞭解不同考試類科、受訓地區及訓練機關(構)之受訓人員,對於課程、講座、教材、整體、輔導員或行政安排等反應層次的滿意度,以及基訓成績、本質特性、測驗成績、選擇題、實務寫作題或是專題研討等學習層的成績,是否有所不同?國家文官學院及中區培訓中心自辦訓練與委外代訓機關(構)之訓練成效,是否有差異?
進行分析後發現如下:一、如同KirkpAtrick全新的四階層評估理論模式所強調,反應層次影響學習層次;二、不論自辦或委辦訓練機關(構)之訓練成訓均各有優劣,訓練機關(構)之訓練成效各異;三、經由t檢定結果顯示,考試類科對在講座及教材問項均達顯著影響,先備知識影響訓練成效。爰針對研究發現提出幾項建議:一、實施前測與後測,確認職能缺口與訓練成效;二、訓前規劃前測;彈性運用評量方式,建立多元評鑑機制;三、整合訓練資料,建立長期追蹤資料庫;四、應針對訓練機關(構)學校進行訓練成效評估,並依據評估結果,決定合作之優先順序,以掌握訓練品質,以保障受訓人員權益,讓全體公務人員素質不斷提升。 / To become a Civil Servant in Taiwan, one must pass the civil service examination and training, where training is further divided into basic and on-the-job training. The Civil Service Protection and Training Commission (CSPTC) and National Academy of Civil Service (NACS) devoted hours of manpower and funds annually in organizing basic training and to better comprehend the training effectiveness, a study was conducted on 2013 Senior Civil Service Examination trainees using the New World Kirkpatrick Model as the basis for evaluation.
The study focused on reaction (level 1) and learning (level 2) levels of the Kirkpatrick Model. The study aims to understand trainee’s satisfactory reactions of different examination topics, training locations and training organizations on courses, forums, training materials, assistant counselors, administrative planning and the overall experience; the learning level wishes to identify differences through basic training grades, intrinsic properties, examination grades, multiple choice questions, on-the-job essays and seminars, if any?
In addition, are there any differences in the training effectiveness between National Academy of Civil Service and out-sourced organizations?
The analysis of the study found the following
1. The study conforms to New World Kirkpatrick Model’s emphasis that reaction affects learning.
2. Regardless of the training organization (government or out-sourced), there are pros and cons, and varying degrees of training effectiveness.
3. As t-test data shows, seminars and materials showed significant effectiveness for examination topics, pre knowledge greatly affects the training outcome. Hence I proposed the following:
A. Administer pre and post examinations to identify training needs and confirm training effectiveness.
B. Pre examination before training: flexible evaluation methods to establish variable evaluation mechanisms.
C. Integrate training data and build a long term track record and database.
D. Conduct training effectiveness evaluation on training organizations to prioritize training courses for the best possible quality, protect trainees’ rights and in turn, steadily boost the overall quality of Civil Servants.
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Tovertafel: Evaluating the Benefits of a Novel Multi-sensory Intervention for Nursing Home Residents with DementiaPerion, Jennifer J., PhD January 2021 (has links)
No description available.
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