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Renewable energy sources in Slovenia: Determining possible development trends until 2020 by using linear forecast and simulation with geometric Brownian motion process
Dejan Tasić, 2017, diplomsko delo

Opis: Renewable energy sources in the European Union and the Republic of Slovenia present an increasing share of energy each year. This thesis contains the data from Eurostat, where the statistics of renewable sources in the European Union and the Republic of Slovenia are analyzed from 2004 to 2014. On the basis of this data, the linear forecast and simulation by using process of geometric Brownian motion are conducted for the Republic of Slovenia for the time period 2015-2020. The goal is to determine if the Republic of Slovenia will achieve target objectives of European directive for renewable energy sources until 2020.
Ključne besede: Slovenia, renewable energy sources, statistics, forecast, simulation, GBM
Objavljeno: 22.09.2017; Ogledov: 708; Prenosov: 89
.pdf Celotno besedilo (3,64 MB)
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Commercial aquaponics approaching the European market: to consumers' perceptions of aquaponics products in Europe
Vesna Miličić, Ragnheidur Thorarinsdottir, Maria Dos Santos, Maja Turnšek, 2017, izvirni znanstveni članek

Opis: The first commercial aquaponics companies are starting up in Europe. The main focus has been on solving technology issues and optimizing production. However, increasing attention is now being paid to certification and regulations linked to aquaponics, as well as the marketing of products and services. The paper presents the results of a study whose main aim was to estimate consumers’ knowledge about aquaponics and their acceptance of aquaponics products in different European regions. An on-line questionnaire was administered to the general public through the aquaponics network of Food and Agriculture COST (European Cooperation in Science and Technology) Action FA1305 “The EU Aquaponics Hub—Realising Sustainable Integrated Fish and Vegetable Production for the EU” in 16 European countries. The methodology includes univariate and multivariate statistical techniques. The results show that, on average, attitudes towards aquaponics were positive, showing no significant differences between those who already knew about aquaponics and those who only heard about it through the survey. More than 50% of respondents had never heard of aquaponics, whilst more than 70% had already heard of hydroponics. No more than 17% of respondents were willing to pay more for aquaponically produced products and no more than 40% more when compared to the price of products from conventional farming. The results confirm three different clusters of potential consumers of aquaponics products. They also suggest an urgent need for implementing integrated and holistic approaches involving all stakeholders in aquaponics, in order to define a marketing plan and efficient communication strategies. This COST action, other projects and public decision makers must invest in educating consumers about aquaponics through the organization of guided tours, thematic workshops and tastings of aquaponics products in order to raise their awareness about this new technology. It is absolutely urgent that public decision makers, in cooperation with aquaponics stakeholders, address the main institutional constraints, namely the introduction of aquaponics as an economic activity and the organic certification of aquaponics products.
Ključne besede: aquaponics, hydroponics, aquaponics products, consumers' acceptance, questionnaire, multivariate statistics, Europe
Objavljeno: 22.06.2017; Ogledov: 690; Prenosov: 286
.pdf Celotno besedilo (561,37 KB)
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Extended technology acceptance model for SPSS acceptance among Slovenian students of social sciences
Alenka Brezavšček, Petra Šparl, Anja Žnidaršič, 2014, izvirni znanstveni članek

Opis: Background and Purpose - IBM SPSS Statistics is among the most widely used programs for statistical analysis in social sciences. Due to many practical values it is frequently used as a tool for teaching statistical concepts in many social science university programs. In our opinion, motivation to learn and to use SPSS during the studying process plays a significant role in building a positive attitude towards SPSS which influences its usage at the professional level after finishing study. Design/Methodology/Approach - The aim of this paper is the development of the model for analysing the acceptance of the SPSS among university students of social sciences. The model is based on the widely known Technology Acceptance Model (TAM). In addition to the traditional components of the TAM, six external variables were included. The model is tested using the web survey on the university students of social sciences from seven faculties at three Slovenian universities. Results - The evaluation of the questionnaire was performed. Descriptive statistics were calculated. The dependencies among the model components were studied and the significant dependencies were pointed out. Conclusion - The results of the empirical study prove that all external variables considered in the model are relevant, and directly influence both key components of the traditional TAM, ≫Perceived Usefulness≪ and ≫Perceived Ease of Use≪. Therefore, our model is useful to study the adoption and continuous utilization of SPSS among the students of social sciences. The obtained results are useful for educators, and can help them to improve the learning process.
Ključne besede: university education, statistics, statistics anxiety
Objavljeno: 04.04.2017; Ogledov: 569; Prenosov: 270
.pdf Celotno besedilo (587,08 KB)
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Multimedia learning material in pedagogical methodology and problem solving strategies
Tomaž Bratina, 2012, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Opis: Problem solving is a reasoning process oriented to reach the final state which usually means the solution. To reach the final state certain mental steps are required. More precisely the process of problem solving can be described as the systematic sequence of cognitive steps toward the solution or conclusion. The sequence itself is the strategy. Regarding the kind of the problems or its nature diverse problem solving strategies can be applied. In the present literature the problem solving strategies are described as reasoning strategies. The application of multimedia learning materials and good practices are confirming their benefits. The students using multimedia learning materials achieved better results than students learning from the textbook and/or attended regular lectures. They are also more successful in the application of the reasoning strategies. In the teaching of pedagogical methodology the application of reasoning strategies is important in achieving higher level of understanding and successful implementation of statistical outcomes in the education. The article will present the results of research in assessing the influence of the multimedia learning materials to the application of reasoning strategies.
Ključne besede: e-learning materials, problem solving, reasoning strategies, pedagogical methodology, statistics
Objavljeno: 07.06.2012; Ogledov: 1178; Prenosov: 22
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