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Relação entre parâmetros biomecânicos e a aceleração no basquetebol / Relationship between biomechanics parameters and acceleration tasks on basketball playersRodrigo Maciel Andrade 17 December 2009 (has links)
O objetivo do estudo foi investigar o construto da tarefa de múltiplas acelerações a partir de parâmetros biomecânicos de saltos verticais. 19 jogadoras da seleção brasileira adulta de basquetebol feminino realizaram o teste de múltiplas acelerações (teste T), salto vertical com contramovimento (SV) e salto vertical com contramovimento precedido de corrida (SVcorrida). Os parâmetros biomecânicos do SV foram, tempo de fase concêntrica (Tcon), pico de força de propulsão (PFP), tempo decorrido entre início da fase concêntrica e o pico de força de propulsão (TPFP), taxa de desenvolvimento de força (TDF) e impulso (I); para SVcorrida, velocidade média de aproximação (Velmédia), tempo total do movimento (Ttotal), pico de força passiva (PFPa), tempo decorrido entre início da fase de apoio e pico de força passiva (TPFPa), pico de força de propulsão (PFP), tempo decorrido entre início da fase de apoio e pico de força de propulsão (TPFPp), Load Rate (LR) e taxa de desenvolvimento de força (TDF). Para análise dos dados, inicialmente, recorreu-se a análise de componentes principais, revelando que 61,3% da variância total do SV foi explicada pelo componente predominantemente temporal (Tcon, TPFP e PFP) e 20,7% pelo componente predominantemente cinético (I e TDF); para SVcorrida, 58,7% da variância total foi explicada pelo componente predominantemente temporal (Ttotal, TPFPa, TPFPp, LR e TDF), 15,4% pelo componente predominantemente cinético (PFPa e PFP) e 12,8% pelo componente velocidade (Velmédia). Adicionalmente, foram reveladas correlações significantes de 0,55 (Tcon), -0,54 (Velmédia) e -0,49 (PFP) com o teste T, evidenciando um construto determinado pela capacidade de se gerar elevada força na fase concêntrica, reduzir o tempo de fase concêntrica e se aproximar do ponto de mudança de direção com elevada velocidade. / The main aim of the study was to investigate the multiple-acceleration task construct from vertical jumps biomechanics parameters. Nineteen female basketball players from Brazilian national team performed the multiple-acceleration test (T test), countermovement jump (VJ) and countermovement jump preceded by run (VJr). The VJ biomechanics parameters observed were: concentric phase duration (CPD), propulsion peak force (PPF), time to reach propulsion peak force (TPPF), rate of force development (RFD) and impulse (I); for VJr the parameters were mean velocity (MV), movement total duration (MTD), passive peak force (PaPF), time to reach passive peak force (TPaPF), propulsion peak force (PPF), time to reach propulsion peak force (TPpPF), load rate (LR) and rate of force development (RFD). Data were first analyzed by principal component analysis. The results showed that 61.3% of VJ variance could be explained by time factor (CPD, TPPF and PPF), and 20.7% by kinetic factor (I and RFD). To VJr, 58.7% of total variance could be explained by time factor (MTD, TPaPF, TPpPF, LR, RFD) and 15.4% by kinetic factor (PPF and PaPF) and 12.8% by velocity factor (MV). Furthermore, significant correlations were found between T test with CPD, MV and PPF (0.55, -0.54 and -0.49, respectively), revealing a T test construct related to the ability of generating high level of force in concentric phase, diminishing time of concentric phase, and to reach the change direction point with greatest possible speed.
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A GEOSPATIAL FIRE RISK ANALYSIS OF ATHENS, OHIOMysorekar, Sagar Ravindra 18 April 2006 (has links)
No description available.
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Between-session reliability of four hop tests and the agility T-testMunro, Allan G., Herrington, L.C. January 2011 (has links)
No / The purposes of this study were firstly to investigate whether learning affects were present in the administration of 4 hop tests and the Agility T-test and secondly to assess the between-session reliability of these tests. Twenty-two recreational athletes (11 women: age 22.3 ± 3.7 years, height 167.7 ± 6.2 cm, weight 59.2 ± 6.9 kg and 11 men: age 22.8 ± 3.1 years, height 179.8 ± 4 cm, weight 79.6 ± 10 kg) took part in the study. The subjects performed 6 repetitions of each hop test and 4 repetitions of the Agility T-test once a week over a period of 3 weeks. Distances were normalized to leg length and presented as a percentage value for the single, triple and crossover hop. Results showed that there were significant differences in scores between genders and that learning affects were present in all tests. Intraclass correlation coefficients ranged from 0.76 to 0.92 for the hop tests and 0.82 to 0.96 for the Agility T-test. The results indicated that the hop and Agility T-tests are reliable tests for use with subjects in a clinical or team sport environment. The error measurement statistics presented could be of help to practitioners to determine whether changes in individuals' scores in the hop and Agility T-tests are because of a true change in performance or measurement error. Of most importance was the fact that all subjects achieved at least 90% limb symmetry index on all 4 hop tests. Therefore, we recommend that a minimum limb symmetry value of 90%, rather than previously recommended 85%, should be adopted during rehabilitation and conditioning.
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The Comparative Effects of Varying Cell Sizes on Mcnemar's Test with the Χ^2 Test of Independence and T Test for Related SamplesBlack, Kenneth U. 08 1900 (has links)
This study compared the results for McNemar's test, the t test for related measures, and the chi-square test of independence as cell sized varied in a two-by-two frequency table. In this study. the probability results for McNemar's rest, the t test for related measures, and the chi-square test of independence were compared for 13,310 different combinations of cell sizes in a two-by-two design. Several conclusions were reached: With very few exceptions, the t test for related measures and McNemar's test yielded probability results within .002 of each other. The chi-square test seemed to equal the other two tests consistently only when low probabilities less than or equal to .001 were attained. It is recommended that the researcher consider using the t test for related measures as a viable option for McNemar's test except when the researcher is certain he/she is only interested in 'changes'. The chi-square test of independence not only tests a different hypothesis than McNemar's test, but it often yields greatly differing results from McNemar's test.
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Hodnocení finančního zdraví podniku z pohledu účetnictví na případu zemědělstvíNÝVLTOVÁ, Kristýna January 2019 (has links)
The dissertation deals with the accounting aspects of assessing the financial health of a company with a focus on agriculture. The main objective of this study is to assess individual methods designed to evaluate the financial health of a company, to determine their sensitivity to risk data in accounting. The study is focused on the field of agriculture mainly as a result of knowledge about the difficult process of compiling and using agricultural accounting. Agriculture fall within the primary sector of the economy, is very important for landscaping and a lot of subsidies flow from the budget of state and the European Union. Due to the specifics and stated problematic areas, which cannot be fully captured by legislation, incomplete or distorted information is transmitted, being also transferred to the methods of the financial health assessment of the company. Attention is also paid to the influence of legislative changes on the values in accounting as well as creative accounting. Following the findings from the theoretical basis, the application part analyses the impact of different accounting solutions on the financial statements. A paired t-test, used for the analysis, was preceded by data normality testing using the histogram and Shapiro-Wilk test. According to these tests, statistically significant differences were found com-paring the current method of accounting used for investment subsidies and leases with the IFRS accounting, between the accounting of changes in inventories and capitalization before and after 1 January 2016, and in land valuation using historical cost and market price. All these areas influence the values of all the analysed methods of financial health assessment. Only the CH-index showed no statistically significant difference in land valuation and accounting solution of inventory activation and changes. Furthermore, the reliability and controllability of the selected methods used for the evaluation of financial health in the field of agriculture is assessed. According to the results, none of the evaluated models can be used in its original variant, but it is possible to use them to compare the company with similar enterprises or over time thanks to the proven dependence of partial indicators and even the whole models on the productivity. Another type of analysis is designed to determine the indicators that have a statistically significant impact on the actual financial situation of businesses. The method of generalized linear models - multinomial linear regression - is used for this test. To determine whether an enterprise is at risk or not, it would be possible to use the stock / income and short-term liabilities / income indicators, and the cash flow / assets indicator to determine the type of threat.
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Spokojenost účastníků sportovní akce Salomon Trail Running Cup 2014 / Participants' satisfaction with Salomon Trail Running Cup 2014 sports eventKochová, Barbora January 2015 (has links)
Title: Participants' satisfaction with Salomon Trail Running Cup 2014 sports event Objectives: The main aim of this diploma thesis is to analyse current level of customer satisfaction with sports event, find out their opinions and potential shortcomings in each running event by using questionnaire survey. Define any problem areas and suggest appropriate management recommendations by evaluating empirical data obtained from own market research. This would lead to improvement of runners' satisfaction with this sports event. Partial goal of this diploma thesis is to find potential coherence between customers' satisfaction and whether they attended Salomon Trail Running Cup for the first time or repeatedly. Methods: Quantitative questionnaire research was used to obtain data from respondents. Respondents were interviewed either in person or in writing. Informal interviews were made with the management of the sports event. T-test method was used to find potential coherence between customers' satisfaction and their attendance in the past Salomon Trail Running Cup events. Results: Marketing research showed that runners were mostly satisfied with this sports event. On the other hand several important problematic areas were discovered that management of this sports event should work on to fulfil runners'...
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Statistical Analysis of Team Training in Emergency Management Simulator SystemJahangir, Muhammad Nasir, Fahadullah, Muhammad January 2009 (has links)
<p>In this thesis work, we compare the results obtained from two kinds of teams forming a hierarchical organization participating in a fire fighting simulation environment called as C3Fire. First kind of teams used paper-based maps for spatial reasoning of the command tool while the other kind of teams has GIS based maps with full access to positioning data of the fire fighting units as well as sensor information about fire break.</p><p>The collected data was from 11 teams of each kind having 6 members in each team making a total of 132 participants belonging to different parts of the world.</p><p>We made a statistical analysis on the data with help of T-Test statistical medhod and a tool is designed by using Java as programming language and PostgreSQL database for importing data from log files and then applying statistical T-Test method on the fetching data from log files.The results are stored in database as well as excel files. Then a comparison is done to analyze the unit performance, communication and efficiency of both kinds of teams.</p>
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Usability Testing : The Relation between Tasks and IssuesMadireddy, Avinash January 2012 (has links)
The Usability of a website can be evaluated using various methods. One of the methods is usability testing, which is widely used and employed by the usability tester due to its low cost and user friendliness. The results of usability testing can be affected positively or negatively by several factors such as evaluator’s role, number of users, test environment, tasks, usability problem report, usability measures, and other factors. For more than a decade, the number of users plays a key role in usability testing. Previously done study [12], has shown that correlation exists between the number of user tasks and the number of issues found. As an extension and follow-up of the recent studies, the current work was carried out on task design, task number, and task coverage. Two types of task designs were proposed namely, guided tasks and unguided tasks. Considering the task as a key factor, the remaining factors were also considered while employing the usability test.
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The Kaohsiung Siaogang Residents¡¦ Environmental PerceptionLiu, Chun-Hsiu 26 July 2012 (has links)
Cognition, attitudes, behavior and feel things from the environment to explore the small Port of Kaohsiung residents in the air pollution control fee levied in the Republic of China 87 years, for housing the regional air pollution perception of air quality to improve satisfaction and surfacetake the behavior of the current situation of air pollution.To explore the residents of different backgrounds, perception, the air pollution and air quality to improve the satisfaction and take the differences of behavior.
This study used a random convenience sampling questionnaire, collection of air pollution fee on air quality questionnaire "to refer to the relevant literature and experts to discuss the small port area residents as a research tool.In this study, questionnaire survey was small Port of Kaohsiung residents to random convenience sampling survey, issued 233 questionnaires were valid questionnaires was 212.
Finally, the collected data using descriptive statistics, independent sample t test, one-way ANOVA, Pearson correlation analysis and simple regression and other statistical methods, data processing analysis.
The results of this study found that the small port area residents are the upper level air pollution Perception extent. However, a small port area residents as both are not satisfied with the degree of satisfaction for today's small port area of air quality improvement.Acts taken in the face of air pollution is mostly self-protection, and group behavior, and petition the face of lack of government subsidies, while complaints.
The results showed that although the high degree of Perception of the small port area residents air pollution, but taken in the face of air pollution, but a means of self-protection, so this study will analyze relevant statistical data and the last suggestions reference, and more availableinformation for the government to improve air quality.
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Prediction Of Litigation Probability For International Construction Projects During Bidding StageAyten, Ilkay 01 February 2010 (has links) (PDF)
ABSTRACT
PREDICTION OF LITIGATION PROBABILITY FOR INTERNATIONAL CONSTRUCTION PROJECTS DURING BIDDING STAGE
Ayten, ilkay
M.S., Department of Civil Engineering
Supervisor: Assoc. Prof. Dr. Rifat Sö / nmez
February 2010, 102 pages
Over the years many researchers agreed that between the parties involved in construction projects such as / owner, contractor, engineer and suppliers trying to perform different scopes in different timetables. Therefore, disputes are inevitable due to the complexity of the work. Occurrence of litigation is the most terrifying process to deal with during any construction project for both owner and the contractor because of the time and money consuming nature of the process. Hence, contractors should try to eliminate any potential risk factors that will lead to litigation. The aim of this study is to investigate the factors that influence court action between parties in international construction projects and develop a statistical model that will predict the litigation probability of an international construction project during bidding stage.
The final prediction model revealed that contractual awareness and consciousness of risk factors is the key to predict litigation probability. Considering awareness of the factors affecting litigation probability are displayed in this thesis. Companies may have the opportunity to develop risk assessment and management strategies while reconsidering their contingency estimates.
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