Zugl.: Koblenz, Landau (Pfalz), Univ., Diss., 2008

Zugl.: Koblenz, Landau (Pfalz), Univ., Diss., 2008 / Lizenzpflichtig

Thesis (Ph.D.)--University of Texas at Dallas, 2009. / Includes vita. Includes bibliographical references (leaves 224-234)

Dissertation (MCIS)--AUT University, 2009. / Includes bibliographical references. Also held in print (viii, 83 leaves : ill. ; 30 cm.) in the Archive at the City Campus (T 005.1068 MA)

Techn. Hochsch., Diss., 2000--Aachen.

Thesis (M.S.)--University of Missouri-Columbia, 2005. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (December 19, 2006) Includes bibliographical references.

Denna uppsats berör ämnet användarmedverkan som i den här uppsatsen definieras som “Användare är med och för fram krav, åsikter och information kring vad som ska finnas i ett befintligt system i syfte att det ska passa deras verksamhet.”. Det uppsatsen utforskar är om det går att göra generaliseringar från ett tidigare arbete från Rosenquist och Curovac (2017) som hade problem med just detta. Frågeställningen i studien är “Vad har användarmedverkan för positiv och negativ påverkan på kravinsamling?”. Datainsamlingen från praktiken sker med hjälp av kvalitativ metod och kvalitativa intervjuer där en deduktiv tematisk analys används för att sedan analysera innehållet. Det som inte utforskas är de andra delarna av systemutveckling och vad användarmedverkan kan ha för påverkan i dessa, som exempelvis design. Studien utforskar heller inte användarperspektivet utan endast leverantörens perspektiv. Den tidigare studien utforskar olika teman om vad användarmedverkan har för positiva och negativa effekter på kravinsamling för standardiserade system. Dessa teman utforskar hur empiri jämfört med praktiken definierar och ser på saker inom användarmedverkan. De teman som utforskas är Definitioner (av Användare, Användarmedverkan och Krav), vad det finns för Möjligheter med användarmedverkan vid kravinsamling (Exakta och precisa krav, Uppnå användarnas förväntningar), Problem med användarmedverkan (Bristfällig kunskap hos användaren, Tid/Kostnad, Orimliga krav och Motvilliga användare), möjligheten att Förutse påverkan med användarmedverkan vid kravinsamling, Hitta rätt användare och vad Användarnas roll är i kravinsamlingsprocessen. Det som kommer fram i uppsatsen som resultat är att det med hjälp av denna studie samt den tidigare studien som gjordes av Rosenquist och Curovac (2017) går det att dra generaliseringar på en del teman och dessa teman var Definitioner, Möjligheter med användarmedverkan vid kravinsamling och Problem med användarmedverkan. Det gick däremot inte att dra generaliseringar från de andra tre teman. / This thesis is diving into the subject of user participation that is defined as “Users are participating and comes up with requirements, opinion and information regarding what should be in a already existing system in purpose of getting the system to fit their organization”. What the thesis explores is if it is possible to do generalizations from an earlier work that was done by Rosenquist and Curovac (2017) which they had problems with. The framing of the question is “What positive and negative impact does user participation have on gathering of requirements?”. The data that was collected from the practice was done with the qualitative method and qualitative interviews, to analyze the gathered data a deductive thematic analysis was done. This thesis does not take in consideration what impact user participation can have on other parts of system development for example design. This thesis does not explore any other perspective than the supplier, therefore it does not explore the user perspective of the matter.  The earlier thesis explores different themes that regards what positive and negative impact user participation has on gathering of requirements for standardized systems. These themes explore how the empiricism and the practice look at Definition (of Users, User Participation and Requirements), what Opportunities user participation has on gathering of requirements (Exact and precise requirements, Achieve the users expectations), Problems with user participation (Inadequate knowledge from the user, Time/Cost, Unreasonable requirements and Reluctant users), the possibility to Forsee the effect that user participation has on gathering of requirements, Find the correct users and what The users role is in the process of gathering requirements. This thesis presents a result with the help of the earlier study that was done by Rosenquist and Curovac (2017) that it is possible to do generalizations on some of the themes that was presented, and these themes were Definitions, Opportunities user participation has on gathering of requirements, Problems with user participation. It was not possible to do generalizations on the other three themes due to that too much data that contradicts each other.

Seasonal pattern and extent of asexual reproduction in liverwort species Lophozia ascendens, L. ventricosa and L. longiflora were studied in the Boubínský prales and Milešický prales old-growth forest reserves in the Šumava Mts., South Bohemia. Asexual reproduction was quantified as the number of 1{--}2 -celled gemmae produced per individual shoot. Numbers of gemmae per shoot among sampling months differed significantly as did the numbers of gemmae in samples among Lophozia ascendens, L. ventricosa and L. longiflora among sampling months. Germinability of gemmae was low in early spring, highest in August and September and slightly decreased in October. Spreading potential of gemmae was investigated in the epixylic hepatic Anastrophyllum hellerianum. Gemmae were trapped at different distances (0 {--} 10 m) and directions from the source colonies in two experiments: one was realized in the natural habitat within a forest and the other in an artificial set-up in the open habitat. Dispersal of gemmae showed slight distance dependence both in the natural and open habitats. Habitat requirements (e. g. decay degree, texture, bark cover, log diameter) of the L. ascendens and A. hellerianum were investigated in both reserves, 126 logs were found. Mostly tiny liverworts grew with L. ascendens and A. hellerianum. Both studied species occurred on logs with degree of decay 2 {--} 7 and degree of texture 2 {--} 6.

No description available.

Submitted by Pedro Henrique Rodrigues (pedro.henriquer@ufpe.br) on 2015-03-05T18:53:32Z No. of bitstreams: 2 Dissertacao_Liliane.pdf: 2808869 bytes, checksum: 6681e2b17bafbf1b2fb94a8f0d2ad701 (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) / Made available in DSpace on 2015-03-05T18:53:32Z (GMT). No. of bitstreams: 2 Dissertacao_Liliane.pdf: 2808869 bytes, checksum: 6681e2b17bafbf1b2fb94a8f0d2ad701 (MD5) license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Previous issue date: 2012-03-01 / CAPES, CNPQ / One recurrent issue in software development is the effective creation of testcases from requirements. Several techniques and methods are applied to minimize the risks associated with test cases building, aiming to meet the requirements specified correctly. Risks identification for requirements assessment is essential to tests cases generation. However, test engineers still face difficulties to apply it in practice due to the lack of solid knowledge about Risk Management activities and tool support for such activities. This work proposes a technique that helps test engineers in risk identification from requirements for software testing. From studies that used the similarity concept to compare software projects in order to reuse previously identified risks, the developed technique uses the same assertion applied to requirements. Within this context, this work aims to: (i) to define a technique based on analogies by categorizing requirements, thus being able to identify risks through a database of similar requirements, and (ii) to reuse risks previously identified at requirements for the evaluation of new requirements.