Die Brief Social Phobia Scale – German version (BSPS-G) ist ein Kurzinterview zum Screening sozialer Ängste. Dabei werden Schwere oder Verlauf einer bereits diagnostizierten sozialen Angststörung erfasst. Im Folgenden wird der Hintergrund dargelegt und eine Kurzbeschreibung des englischsprachigen Originals (BSPS) gegeben: Die soziale Phobie ist gekennzeichnet durch ausgeprägte und anhaltende Angst, sich in sozialen oder Leistungssituationen peinlich zu verhalten, gedemütigt zu werden oder bestimmte Körpersymptome zu zeigen (Diagnostisches und Statistisches Manual psychischer Störungen, DSM-IV-TR [Saß et al., 2003]). Die Prävalenzraten liegen zwischen 6,7% [Fehm et al., 2005] und 12,1% [Kessler et al., 2005] und bei bis zu 25% für subklinische Ängste, die in Schwere und Beeinträchtigung häufig dem Vollbild ähnlich sind [Beesdo et al., 2007; Knappe et al., 2009]. Zur diagnostischen Erfassung der sozialen Phobie liegen zahlreiche Selbsteinschätzungsverfahren vor, aber kaum Fremdbeurteilungsverfahren [Mitte et al., 2007]. Als Interviewverfahren hat sich die Liebowitz Skala (Liebowitz Soziale Angst Skala, LSAS) [Stangier und Heidenreich, 2005] etabliert. Die BSPS hat demgegenüber die Vorteile, dass sie viel ökonomischer ist und explizit typische Körpersymptome erfasst, die soziale Ängste sowohl begleiten als auch auslösen können. Die Validierung der englischsprachigen Originalversion der BSPS zeigte sehr gute Kennwerte für die Test-Retest-Reliabilität (rtt = 0,91) und die interne Konsistenz (Cronbachs α = 0,82) sowie gute konvergente und diskriminante Validität und Änderungssensitivität. Als Cut-Off-Wert wurde ein Summenwert von 20 Punkten bestimmt [Davidson et al., 1997]. / Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich.

Supervised machine learning models require a labeled data set of high quality in order to perform well. Available text data often exists in abundance, but it is usually not labeled. Labeling text data is a time consuming process, especially in the case where multiple labels can be assigned to a single text document. The purpose of this thesis was to make the labeling process of clinical reports as effective and effortless as possible by evaluating different multi-label active learning strategies. The goal of the strategies was to reduce the number of labeled documents a model needs, and increase the quality of those documents. With the strategies, an accuracy of 89% was achieved with 2500 reports, compared to 85% with random sampling. In addition to this, 85% accuracy could be reached after labeling 975 reports, compared to 1700 reports with random sampling.

The focus of this study is the Sixteen Personality Factor Quenstionnaire, South Africam 1992 version (16 PF, SA92). This personality questionnaire was derived from the 16 PF which was developed in the United States and was adapted for South African conditions in 1992. The aim of this study is to determine whether the scores of the 16 PF, SA92 are cross-culturally valid and comparable in South Africa. The sample consisted of White and African (male and female) applicants who applied for positions in a South African state department. To achieve the aims outlined in the introductory chapter, construct comparability and item comparability research was conducted. Descriptive statistics were also calculated to indicate the performance of the various sub-samples (White, African, male and female). The results indicated that the population variable as opposed to the gender variable had the greatest influence on the scores obtained. Problems existed with the construct and item comparability of the 16 PF, SA92 when the different population groups were compared. Mean differences were also found on the majority of factors of the 16 PF, SA92 when the scores of the different population groups were compared. The implications of using 16 PF, SA92 were outlined and several assessment options were presented for users of the 16 PF, SA92. / Industrial and Organisational Psychology / M. Admin. (Industrial Psychology)

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No. of bitstreams: 1 marini_mc_me_sjrp.pdf: 3119748 bytes, checksum: 9e6f062d94f6fdfb7d9cb0cfae289118 (MD5) Previous issue date: 2017-09-25 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) / O Teorema de Borsuk-Ulam clássico afirma que: “Se f : Sn → IRn é uma aplicação contínua, entãoexisteumponto x em Sn talque f(x) = f(−x), ouequivalentemente f(x) = f(A(x)), onde Sn indica a esfera unitária n-dimensional e A : Sn → Sn é a aplicação antipodal”. Se pensamos na superfície terrestre como uma esfera, o caso n = 2 pode ser ilustrado dizendo-se que em cada instante, existe sempre um par de pontos antipodais na superfície da Terra com mesma temperatura e pressão barométrica (supondo que a temperatura e a pressão variam continuamente na superfície). Este trabalho é baseado no artigo “Some generalizations of the Borsuk-Ulam Theorem” de Vendrúsculo, Desideri e Pergher (2011), [8], e tem como principal objetivo apresentar um estudo de uma versão fraca do Teorema de Borsuk-Ulam associada a grupos topológicos. Diz-se que {(X,T);G}, onde X é um espaço topológico equipado por uma involução livre T e G é um grupo topológico, “satisfaz uma versão fraca do Teorema de Borsuk-Ulam”, abreviadamente, “satisfaz WBUT”, se, para cada aplicação contínua f : X → G, temos que o conjunto {x ∈ X; f(x) · f(T(x))−1 ∈ 2G} é diferente do vazio, onde f(T(x))−1 é o simétrico de f(T(x)) em G e 2G = {g ∈ G; g = g−1}. Neste trabalho, relacionamos essa condição fraca com a condição geral de “satisfazer o Teorema de Borsuk-Ulam” (ou “satisfazer BUT”) dada também pelos autores; apresentamos alguns exemplos; considerando G = T2 (toro), detalhamos a demonstração de um resultado que estabelece um critério algébrico para que {(X,T);T2} satisfaça a condição WBUT e de um resultado que dá uma equivalência entre a versão fraca WBUT para triplas {(S,T);T2} e a condição BUT para {(S,T);IR2}, sendo S uma superfície fechada. Por fim, apresentamos um invariante topológico obtido da versão WBUT. Tal invariante, por nós definido, é similar ao obtido da condição BUT e apresentado pelos autores citados. / The classical Borsuk-Ulam Theorem states that: “If f : Sn → IRn is any continuous map, then there exists a point x in Sn such that f(x) = f(−x), or equivalently f(x) = f(A(x)), where Sn denotes the n-dimensional unit sphere and A : Sn → Sn is the antipodal map”. If we think of the Earth’s surface as a sphere, the case n = 2 can be illustrated by saying that at every instant there is always a pair of antipodal points on the Earth’s surface with the same temperature and barometric pressure (assuming that the temperature and pressure vary continuously in the surface). This work is based on the article “Some generalizations of Borsuk-Ulam Theorem” by Ven drúsculo, Desideri and Pergher (2011), [8], and has the main purpose of presenting a study of a weak version of the Borsuk-Ulam Theorem associated with topolog ical groups. It is said that {(X,T);G}, where X is a topological space equipped with a free involution T and G is a topological group “satisfies a Weak version of the Borsuk-Ulam Theorem”, abbreviatedly, “satisfies WBUT” if, given any continuous map f : X → Y , the set {x ∈ X; f(x) · f(T(x))−1 ∈ 2G} is non empty, where f(T(x))−1 is the symmetric of f(T(x)) in G and 2G = {g ∈ G; g = g−1}. In this work, we relate this weak condition with the more general condition of “satisfying the Borsuk-Ulam Theorem” (or “satisfying BUT”) also given by the authors; we present some examples; considering G = T2 (torus), we detail the proof of a result that establishes an algebraic criterion for {(X,T);T2} satisfy the condition WBUT, and of a result that gives an equivalence between the weak version WBUT for triples {(S,T);T2} and the condition BUT for {(S,T);IR2}, where S is a closed surface and T is a free involution on S. Finally, we present a topological invariant obtained from the WBUT version. Such invariant, defined by us, is similar to that obtained from the BUT condition and presented by the cited authors.

Submitted by Irene Nascimento (irene.kessia@ufpe.br) on 2016-09-27T18:16:18Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) dissertação_gjcc.pdf: 1929523 bytes, checksum: 59a910a15e3537942754d106de378d19 (MD5) / Made available in DSpace on 2016-09-27T18:16:18Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) dissertação_gjcc.pdf: 1929523 bytes, checksum: 59a910a15e3537942754d106de378d19 (MD5) Previous issue date: 16-02-29 / FACEPE / During the integration of code contributions resulting from development tasks, one likely has to deal with conflicting changes and dedicate substantial effort to resolve conflicts. While unstructured merge tools try to automatically resolve part of the conflicts via textual similarity, semistructured tools try to go further by exploiting the syntactic structure of part of the artefacts involved. To understand the impact of the unstructured and semistructured merge approaches on integration effort (Productivity) and correctness of the merging process (Quality), we conduct two empirical studies. In the first one, aiming at increasing the existing body of evidence and assessing results for systems developed under an alternative version control paradigm, we replicate an experiment to compare the unstructured and semistructured approaches with respect to the number of conflicts reported by both merge approaches. We used both semistructured and unstructured merge in a sample 2.5 times bigger than the original study regarding the number of projects and 18 times bigger regarding the number of performed merges, and we compared the occurrence of conflicts. Similar to the original study, we observed that semistructured merge reduces the number of conflicts in 55% of the performed merges of the new sample. Besides that, the observed average conflict reduction of 62% in these merges is far superior than what has been observed before. We also bring new evidence that the use of semistructured merge can reduce the occurrence of conflicting merges by half. In order to verify the frequency of false positives and false negatives arising from the use of these merge approaches, we move forward and we conduct a second empirical study. We compare the unstructured and semistructured merge approaches by reproducing more than 30,000 merges from 50 projects, and collecting evidence about reported conflicts that do not represent interferences between development tasks (false positives), and interferences not reported as conflicts (false negatives). In particular, our assumption is that false positives amount to unnecessary integration effort because developers have to resolve conflicts that actually do not represent interferences. Besides that, false negatives amount to build issues or bugs, negatively impacting software quality and correctness of the merging process. By analyzing such critical factors we hope to guide developers on deciding which approach should be used in practice. Finally, our results show that semistructured merge eliminates a significant part of the false positives reported by unstructured merge, but brings false positives of its own. The overall number of false positives is reduced with semistructured merge, and we argue that the conflicts associated to its false positives are easier to resolve when comparing to the false positives reported by unstructured merge. We also observe that more interferences were missed by unstructured merge and reported by semistructured merge, but we argue that the semistructured merge ones are harder to detect and resolve than the other way around. Finally, our study suggests how a semistructured merge tool could be improved to eliminate the extra false positives and negatives it has in relation to unstructured merge. / Durante a integração de contribuições de código resultantes das tarefas de desenvolvimento, frequentemente desenvolvedores têm que lidar com alterações conflitantes e dedicar considerável esforço para resolver conflitos. Enquanto as ferramentas de integração não-estruturadas tentam resolver automaticamente parte dos conflitos através de similaridade textual, ferramentas semiestruturadas tentam ir mais longe, explorando a estrutura sintática de parte dos artefatos envolvidos. Para entender o impacto das abordagens de integração não-estruturada e semiestruturada sobre esforço de integração (Produtividade) e corretude do processo de integração (Qualidade), nós realizamos dois estudos empíricos. No primeiro, com o objetivo de aumentar o atual corpo de evidência e avaliar resultados para sistemas desenvolvidos usando um paradigma de controle de versão alternativo, nós replicamos um experimento para comparar a abordagem não-estruturada e semiestruturada de acordo com o número de conflitos reportados por ambas as abordagens. Nós usamos tanto a integração semiestruturada quanto a não-estruturada em uma amostra 2,5 vezes maior do que a do estudo original em relação ao número de projetos e 18 vezes maior em relação ao número de integrações realizadas, e comparamos a ocorrência de conflitos. Semelhante ao estudo original, observamos que a integração semiestruturada reduz o número de conflitos em 55% das integrações da nova amostra. Além disso, a redução de conflitos média observada de 62% nestas integrações é muito superior à observada anteriormente. Nós também trazemos nova evidência de que o uso da abordagem semiestruturada pode reduzir a ocorrência de integrações com conflitos pela metade. Com o intuito de verificar a frequência de falsos positivos e falsos negativos originados do uso dessas abordagens, nós seguimos adiante e conduzimos um segundo estudo empírico. Nós comparamos as abordagens reproduzindo mais de 30.000 integrações de 50 projetos, coletando evidência sobre os conflitos reportados que não representam interferências entre as tarefas de desenvolvimento (falsos positivos), e interferências não reportadas como conflitos (falsos negativos). Em particular, a nossa suposição é de que falsos positivos denotam esforço desnecessário de integração porque os desenvolvedores têm que resolver conflitos que, na realidade, não representam interferências. Além disso, falsos negativos denotam problemas de build ou bugs, impactando negativamente a qualidade do software e corretude do processo de integração. Ao analisar esses fatores críticos, esperamos orientar os desenvolvedores em decidir qual abordagem deve ser usada na prática. Finalmente, nossos resultados mostram que a abordagem semiestruturada elimina uma parte significativa dos falsos positivos reportados pela abordagem não-estruturada, mas traz falsos positivos próprios. O número global de falsos positivos é reduzido com a integração semiestruturada, e nós argumentamos que os conflitos associados aos seus falsos positivos são mais fáceis de resolver quando comparados aos falsos positivos reportados pela abordagem não-estruturada. Observamos, também, que mais interferências deixaram de ser detectadas pela abordagem não-estruturada, mas foram detectadas pela semiestruturada. No entanto, nós acreditamos que as interferências não detectadas pela abordagem semiestruturada são mais difíceis de detectar e resolver. Por fim, nosso estudo sugere como uma ferramenta de integração semiestruturada poderia ser melhorada para eliminar os falsos positivos e falsos negativos adicionados que possui em relação à não-estruturada.

A Escala Facial de Dor - Revisada (EFD-R) é uma das escalas mais recomendadas na mensuração da intensidade da dor aguda em crianças. A versão original desta escala foi testada em crianças canadenses. O objetivo deste trabalho foi avaliar a validade, interpretação e preferência da versão brasileira da Escala Facial de Dor - Revisada (EFD-R-B), em duas amostras de crianças brasileiras: uma envolvendo dor aguda procedural e outra dor aguda pós-cirúrgica. Na primeira amostra participaram 77 crianças com idades entre 6 e 12 anos, do sexo feminino e masculino, que foram submetidas à coleta de sangue (dor procedural). As crianças estimaram a intensidade da sua dor, antes e após a punção venosa, na EFD-R-B. Na estimação após a punção venosa, a Escala Colorida Analógica (ECA) foi administrada junto com a EFD-R-B e, além disso, as crianças indicaram as faces que expressavam uma dor leve, moderada e severa, a escala que preferiam e o porquê. Na segunda amostra, participaram 53 crianças com idades entre 6 e 12 anos, do sexo feminino e masculino, que tinham sido submetidas a pequenas cirurgias (dor pós-cirúrgica). Nesta amostra, as crianças estimaram, na EFD-R-B e na ECA, a intensidade da dor que estavam sentindo no momento da entrevista. Também indicaram as faces que expressavam uma dor leve, moderada e severa, o limiar de tratamento da dor, a escala que preferiam e o porquê. Na comparação entre as pontuações obtidas na EFD-R-B e na ECA (validade convergente), nas duas amostras, os valores dos coeficientes Kendall\'s tau foram altos e significativos: =0,75 para o grupo de dor procedural e =0,79 para o grupo de dor pós-cirúrgica (p=0,00 nas duas amostras). No grupo de dor procedural, a EFD-R-B refletiu as mudanças na intensidade da dor vivenciada pelas crianças antes e após a punção venosa (validade concorrente): Teste de Wilcoxon z=-6,65; p=0,00. Considerando uma escala de 0 a 10 para a EFD-R-B, a mediana e a amplitude interquartil (AIQ) para as faces indicadas como expressivas de intensidade leve, moderada e severa, foram 2 (2-2), 4 (4-6) e 10 (10-10) respectivamente, no grupo de dor procedural, e 2 (2-2), 6 (4-8) e 10 (10-10) respectivamente, no grupo de dor pós-cirúrgica. Na estimação do limiar de tratamento da dor (grupo de dor pós-cirúrgica), a mediana (AIQ) foi 6 (4-10). No grupo de dor procedural, a EFD-R-B foi a escala preferida por 57,1% das crianças e a ECA por 41,6%; no grupo de dor pós-cirúrgica, a EFD-R-B foi escolhida por 66% das crianças e a ECA por 34%. Estas proporções somente foram significativas no grupo de dor pós-cirúrgica (X²=5,453 p=0,02). Nossos resultados mostram que a EFD-R-B possui propriedades similares à escala original e boa aceitação entre as crianças entrevistadas. A determinação dos valores das diferentes intensidades de dor e do limiar de tratamento da dor, para cada participante, representa uma evidência importante sobre a interpretação da EFD-R. / The Faces Pain Scale Revised (FPS-R) is one of the most recommended tools in measuring the intensity of acute pain in children. The aim of this study was to assess validity, interpretability and preference of the Brazilian version of the FPS-R (FPS-R-B), in two different clinical samples. The first sample contained seventy-seven children, 6 to 12 years old and both sexes, undergoing venipuncture for blood sample (procedural pain). These children estimated their perceived pain intensity in FPS-R-B before and after venipuncture. Furthermore, after venipuncture, children were asked: a) to evaluate the intensity of their needle pain using the Coloured Analogue Scale (CAS), b) to indicate on the Faces scale the intensities representing the mild, moderate and severe pain, and c) to choose the scale they preferred and indicate the reasons for the preference. The second sample included fifty-three children, 6 to 12 years old and both sexes, undergoing minor surgery (postoperative pain). Following surgery, children were asked: a) to provide a rating of their current pain intensity using the FPS-R-B and the CAS, b) to indicate on the Faces scale the intensities representing the mild, moderate and severe pain, c) to estimate, on the FPS-R-B, the intensity of pain that their felt to warrant pharmacologic intervention (pain treatment threshold), and d) to choose the scale they preferred and indicate the reasons for the preference. The degree of concordance between FPS-R-B and CAS ratings (convergent validity), for both samples, was high and statistically significant Kendall\'s tau value was 0.75 for the first sample, and 0.79 for the second sample, (p<0.05) . FPS-R-B reflected the changes in pain intensity before and after venipuncture (concurrent validity): Wilcoxon Test z=- 6.24; p< 0.05. On the 0-10 scale for the FPS-R-B, the median and interquartile range (IQR) of the intensities that represented mild, moderate and severe pain were 2 (2-2), 4 (4-6) e 10 (10-10) respectively, for the first sample, and 2 (2-2), 6 (4-8) e 10 (10-10) respectively, for the second sample. The median and IQR for pain treatment threshold were 6 (4-10). Fifty-seven percent of children in the first sample and 64.8% in the second sample preferred the FPS-R-B. These proportions were statistically significant for the second sample (X²=5,453 p<0,05). Our data show that the FPS-R-B has similar statistical properties to the original. New evidences were presented regarding interpretability of the FPS-R by determining each children\'s treatment threshold and estimate of mild, moderate and severe pain. In this study, the FPS-R-B was preferred by the majority of children.

Mitteilungen des URZ 1/2003

The aim of this study is to investigate if there is a way a computer can accurately and automatically react on altered configuration file(s) with a minimum of resource utilization and by what means the developer(s) of an application can perform a check of the altered configuration file for their application. In a typical GNU/Linux installation the configuration files are literally counted by the thousands, monitoring these files is a task that for the most part exceeds any system administrator's abilities. Each file has its own syntax that needs to be known by the administrator. Either one of these two tasks could give any system administrator nightmares concerning the difficulty level especially when both tasks are combined. The system administrator could attempt to automate the monitoring tasks together with the syntax checking. There are some tools in the repositories of each distribution for monitoring files but none that lets one monitor and take (predefined or user defined) actions based on what the file monitor reports, the type of file and its contents. A complete tool is not presented in this study, merely a proof of concept that monitoring and taking actions especially with version 2.6.13 (or newer) kernel of GNU/Linux with plugins are quite possible with relatively small computer resource. During this study some questions arose that are worth taking into consideration when a complete monitoring tool is to be developed, amongst others they are: add a trusted user, add both textual and graphical user interface, monitor more than one file path. This study was performed on GNU/Linux CentOS 6 distribution, all programming was done in BASH with an effort to minimize used/installed programs.

When performing an analysis of the evolution of software quality and software metrics,there is a need to get access to as many versions of the source code as possible. There isa lack of research on how data or source code can be extracted from the source controlmanagement system Git. This thesis explores different possibilities to resolve thisproblem. Lately, there has been a boom in usage of the version control system Git. Githubalone hosts about 6,100,000 projects. Some well known projects and organizations thatuse Git are Linux, WordPress, and Facebook. Even with these figures and clients, thereare very few tools able to perform data extraction from Git repositories. A pre-studyshowed that there is a lack of standardization on how to share mining results, and themethods used to obtain them. There are several tools available for older version control systems, such as concurrentversions system (CVS), but few for Git. The examined repository mining applicationsfor Git are either poorly documented; or were built to be very purpose-specific to theproject for which they were designed. This thesis compiles a list of general issues encountered when using repositorymining as a tool for data gathering. A selection of existing repository mining tools wereevaluated towards a set of prerequisite criteria. The end result of this evaluation is thecreation of a new repository mining tool called Doris. This tool also includes a smallcode metrics analysis library to show how it can be extended.

>Magister Scientiae - MSc / The water quality in many Cape Town Rivers and streams is a major challenge. Kuils River is subject to multiple land use impacts from upstream to downstream because of rapid urbanization in its catchment area. The main pollution sources are urban and industrial, organic matter from litter under the road-bridge, and golf course. However no systematic efforts have been made to evaluate and improve the health of the river in term of management. To assess impacts on water quality, this study was conducted from 4th September to 27th November 2012 in 5 selected sites in the upper reach of the Kuils river. The main aim was to compare the health of the river in 2012 with that found in 2005 using physical and chemical characteristics and the South Africa Scoring System (SASS). The statistical analysis showed a significant difference between and within sites. The water temperature, pH, dissolved oxygen concentration, total dissolved solids (TDS), and salinity were collected in situ by YSI 30 meter. To evaluate nutrient (nitrate and phosphorus) concentrations water samples were analyzed at UWC laboratory using spectrophotometer. In addition human activities, basic conditions (7.13 to 8.76), high total dissolved solids (416 to to 916.5 mg L¯¹) and salinity (0.31 to 0.71 mg L¯¹) concentrations were influenced by Malmesbury shales. Nitrate (0.1 to 3.1 mg L¯¹) and phosphorus (0.11 to 5.27 mg L¯¹) concentrations and the decrease in dissolved oxygen in November 2012 showed eutrophic conditions of the river. In the tributary site phosphorus (1.32 to 3.62 mg L¯¹) concentrations revealed hypertrophic condition compared to South Africa guideline. Macroinvertebrates sampled showed a total of 28 taxa grouped in 11 orders were sampled. Poor habitat diversity and water quality degradation were principal causes of low species diversity. The South Africa Score System version 5 (SASS5) and Average Score per Taxon (ASPT) indicated that the river is seriously impacted in 2012 compared to 2005 where water quality was in poor condition. The SASS and the ASPT scores were less than 50 and 4.2 at all sampling sites in most part of sampling period.