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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
61

Vågar jag fråga? : En kvantitativ undersökning över vilka faktorer som kan påverka gymnasieelevers hjälpsökande beteende / Dare I ask? : A quantitative survey of which factors can influence high school students' help-seeking behavior

Enbom, Elin January 2023 (has links)
Denna studie har två övergripande syften. Det första är att undersöka om gymnasieelever tror att de kan påverka sin matematiska intelligens eller inte. Det andra syftet är att undersöka hur gymnasieelevers hjälpsökande beteende ser ut och vilka faktorer som påverkar dessa beteenden. Data samlades in via enkäter på i en skola i Norrbotten, totalt besvarade 250 gymnasieelever enkäten. Resultatet från undersökningen visade att gymnasieeleverna generellt hade en mer dynamisk än statisk syn på sin egen matematiska intelligens. Resultatet visade även att andelen gymnasieelever som hade ett undvikande hjälpsökande beteende var 21.6 % samt att få gymnasieelever sökte hjälp publikt medan merparten av gymnasieeleverna sökte hjälp privat, dock i olika hög grad. Slutligen visade resultatet att gymnasieelevernas undvikande hjälpsökande beteende påverkades av deras rädsla att uppfattas som dum av klasskamrater och utav deras syn på sin egen matematiska intelligens. Resultatet visade även att gymnasieelevernas publika hjälpsökande beteende korrelerade med deras rädsla att uppfattas som dum utav klasskamrater. / This study has two overall aims. The first is to investigate whether high school students believe that they can influence their mathematical intelligence or not. The second aim is to investigate high school students' help-seeking behaviour and which factors influence these behaviours. Data was collected via questionnaires at a school in Norrbotten, a total of 250 high school students answered the questionnaire. The results of the survey showed that the high school students generally had a more dynamic than static view of their own mathematical intelligence. The results also showed that the percentage of high school students who had an avoidant helpseeking behaviour was 21.6% and that few high school students sought help publicly, while most high school students sought help privately, although to varying degrees. Finally, the results showed that high school students' avoidant help-seeking behaviour was influenced by their fear of being perceived as dumb by classmates and by their view of their own mathematical intelligence. The results also showed that the high school students' public helpseeking behaviour correlated with their fear of being perceived as dumb by their classmates.
62

Exploratory Innovations and Exploitation of Knowledge after Large Scale Agile Transformation : A Case Study at an Energy Utility R&D Department

Daraiseh, Firas January 2023 (has links)
Many organizations from and outside of the IT industry are trying to implement Agile in their ways of working via large scale transformations. The organizations feels the need to become Agile in order to increase their client satisfaction, deliver their product faster, and compete in the rapidly changing market. This Master's thesis was conducted at one of the largest energy utilities in the north of Europe, Company C, in order to analyze their R\&D organization after implementing their large scale Agile transformation. The thesis main research question focused on studying how did the large scale Agile transformation effect the organization ambidexterity, knowledge transfer capabilities, and ability to innovate. The question was analyzed qualitatively via an ethnographic design and a set of semi-structured interviews. The results have shown various challenges within the organization that were introduced after the large scale Agile transformation, such as focusing only on customer satisfaction as a measure of success, and the reduction of knowledge transfer capabilities with the department. The analysisand discussions evaluated the connection between those challenges and the large scale Agile transformation. The main takeaways from the Thesis suggested that the Agile transformation provided the necessary tool for the organization to become more exploitative, however, there was no clear connection between the transformation and the diminishing exploratory practices. Moreover, the large scale Agile transformation supported incremental innovations, but did not negatively impact other types of innovation. Finally, the knowledge transfer capabilities were reduced due to the minimal documentation approach that the organization has implemented. / Många organisationer från och utanför IT-branschen försöker implementera Agile i sina arbetssätt genom storskaliga transformationer. Organisationerna känner behov av att bli Agila för att öka sin kundnöjdhet, leverera sina produkter snabbare och konkurrera på den snabbt föränderliga marknaden. Detta masterarbete genomfördes på ett av de största energiföretagen i norra Europa, Company C, för att analysera deras FoU-organisation efter att ha implementerat sin storskaliga agila-transformation. Arbetets huvudsakliga forskningsfråga fokuserade på att studera hur den storskaliga agila-transformationen påverkade organisationens förmåga till ambidextri, kunskapsöverföring och innovationsförmåga. Frågan analyserades kvalitativt genom en etnografisk design och en uppsättning semistrukturerade intervjuer. Resultaten har visat olika utmaningar inom organisationen som introducerades efter den storskaliga Agile-transformationen, såsom att fokusera endast på kundnöjdhet som en måttstock för framgång och minskningen av kunskapsöverföringsförmågan inom avdelningen. Analysen och diskussionerna utvärderade sambandet mellan dessa utmaningar och den storskaliga Agile-transformationen. Huvudpunkterna från arbetet föreslog att Agile-transformationen gav organisationen de nödvändiga verktygen för att bli mer exploaterande, men det fanns ingen tydlig koppling mellan transformationen och minskningen av utforskande praktiker. Dessutom stödde den storskaliga Agile-transformationen inkrementella innovationer men påverkade inte negativt andra typer av innovation. Slutligen minskade kunskapsöverföringsförmågan på grund av den minimala dokumentationsansatsen som organisationen genomfört.
63

Composite International Diagnostic Interview screening scales for DSM-IV anxiety and mood disorders

Kessler, Ronald C., Calabrese, Joseph R., Farley, P. A., Gruber, Michael J., Jewell, Mark A., Katon, Wayne, Keck Jr., Paul E., Nierenberg, Andrew A., Sampson, Nancy A., Shear, M. K., Shillington, Alicia C., Stein, Murray B., Thase, Michael Edward, Wittchen, Hans-Ulrich January 2012 (has links)
Background Lack of coordination between screening studies for common mental disorders in primary care and community epidemiological samples impedes progress in clinical epidemiology. Short screening scales based on the World Health Organization (WHO) Composite International Diagnostic Interview (CIDI), the diagnostic interview used in community epidemiological surveys throughout the world, were developed to address this problem. Method Expert reviews and cognitive interviews generated CIDI screening scale (CIDI-SC) item pools for 30-day DSM-IV-TR major depressive episode (MDE), generalized anxiety disorder (GAD), panic disorder (PD) and bipolar disorder (BPD). These items were administered to 3058 unselected patients in 29 US primary care offices. Blinded SCID clinical reinterviews were administered to 206 of these patients, oversampling screened positives. Results Stepwise regression selected optimal screening items to predict clinical diagnoses. Excellent concordance [area under the receiver operating characteristic curve (AUC)] was found between continuous CIDI-SC and DSM-IV/SCID diagnoses of 30-day MDE (0.93), GAD (0.88), PD (0.90) and BPD (0.97), with only 9–38 questions needed to administer all scales. CIDI-SC versus SCID prevalence differences are insignificant at the optimal CIDI-SC diagnostic thresholds (χ2 1 = 0.0–2.9, p = 0.09–0.94). Individual-level diagnostic concordance at these thresholds is substantial (AUC 0.81–0.86, sensitivity 68.0–80.2%, specificity 90.1–98.8%). Likelihood ratio positive (LR+) exceeds 10 and LR− is 0.1 or less at informative thresholds for all diagnoses. Conclusions CIDI-SC operating characteristics are equivalent (MDE, GAD) or superior (PD, BPD) to those of the best alternative screening scales. CIDI-SC results can be compared directly to general population CIDI survey results or used to target and streamline second-stage CIDIs.
64

Critical Factors in Early Stages of Large-Scale Agile Transformations / Kritiska faktorer i tidigt stadie av storskaliga agila transformationer

Djursén, William, Herlenius, Saga January 2022 (has links)
In recent years, product development organizations have started adopting agile methods beyond its intended application on software development as part of organizational aspirations to increase market responsiveness and decrease lead times. Such extended adoption of agile is now commonly known as large-scale agile transformation, yet case studies and research-based guidance on implementing agile at scale is scarce. Available literature lists several general challenges and success factors surfacing during the full course of transformation. This thesis aims to complement existing research through investigating critical factors of a large-scale transformation specifically at early stages of agile adoption. This is performed by applying Laanti's agile maturity model and Roger's innovation adoption theory to a case study of a large fintech company who recently initiated their transformation. Although many of the general challenges discovered were proven to appear even at early stages of adoption, we found four factors particularly important for early-stage adoption of large-scale agile, namely 1) having agile support tailored to team maturity, 2) involving project managers in agile coaching, 3) breaking down silo barriers and 4) developing agile customer contracts. In addition to the critical factors found, we propose an extension to Roger's adoption model in cases when external stakeholders are believed to be affected by the adoption of an innovation. Further studies on early-stage adoption of large-scale agile are required to confirm our conclusions. / Som ett led i att öka marknadsresponsivitet och minska ledtider, har det idag blivit alltmer vanligt för organisationer som utvecklar produkter att applicera agila arbetssätt utanför mjukvaruutveckling. En sådan utökad adoption av agile kallas för storskalig agile transformation. Fallstudier och forskningsbaserade råd för implementering av agile i stor skala är fortfarande få. Syftet med denna studie är att bidra till och komplettera existerande forskning genom att utforska kritiska faktorer för storskaliga agila transformationer i ett tidigt adoptionsstadie. Detta görs genom att applicera och kombinera Laanti's agila mognadsmodell och Roger's teori om innovationsadoption i en fallstudie på ett stort fintech-företag som nyligen initierade sin agila transformation. Fyra kritiska faktorer specifika för tidigaadoptionsstadier identifierades, närmare bestämt vikten av att 1) anpassa agila stödfunktioner till varje teams agila mognad, 2) involvera projektledare i agile coachning, 3) bryta ner silobarriärer mellan funktioner och 4) utveckla agila kundkontrakt. Dessutom föreslår vi en utökning av Roger's innovationsegenskaper för värdering av potentiell adoptionsframgång av innovationer som påverkar externa intressenter. Ytterligare studier på stor-skalig agil transformation i tidiga stadier krävs för att bekräfta våra slutsatser.
65

Vad gör vissa medarbetare mer benägna att sluta än andra? : En studie om hur medarbetares organisationsidentifikation och yrkesstatus påverkar deras intentioner att lämna sin organisation.

Gutö, Jonas, Malmgren, Mattias January 2014 (has links)
Lojalitet gentemot arbetsgivare har tidigare ansetts vara en merit för anställda, medan det i dagens arbetsliv kan upplevas vara mer av en belastning. Lojala medarbetare får ofta en sämre löneutveckling och blir mindre attraktiva på arbetsmarknaden än de som med jämna mellanrum byter arbetsplats, vilket kan vara en orsak till att organisationer idag har problem med personalomsättningar där individer lämnar sina anställningar i snabbare takt än vad som förväntas. Detta ställer höga krav på organisationer att arbeta strategiskt med sitt personalarbete för att rekrytera rätt personal samt behålla dem. Studiens syfte var att undersöka varför vissa individer är mer benägna till att lämna sina organisationer än andra. Detta genomfördes genom att kvantitativt studera variablerna organisationsidentifikation, upplevd yrkesstatus och dess korrelation med individens intention att lämna sin organisation. Studien genomfördes i samarbete med Försvarsmakten och Skaraborgs regemente P4. Respondenterna i studien bestod av soldater från den 42:a mekaniserade bataljonen vilka samtliga tillhörde yrkeskategorin kontinuerligt anställda soldater. Resultatet visade signifikanta negativa samband mellan organisationsidentifikation och individens intention att lämna sin organisation (β=-.39, p=<.001) samt mellan yrkesstatus och intentionen att lämna sin organisation (β =-.35, p=<.001). Organisationsidentifikation hade även ett signifikant positivt samband med yrkesstatus (β =.34, p=<.001). Resultatet indikerar därmed på att organisationsidentifikation inte bara påverkar individens intention att lämna sin organisation, vilket även tidigare studier visat, utan att den även påverkar medarbetares upplevda yrkesstatus. Detta ger incitament till organisationer att aktivt arbeta med att öka sina anställdas organisationsidentifikation om yrkets status upplevs vara låg samt om personalomsättningen är för hög. / Loyalty towards the employer has been considered a merit in the past. In today'slabor, loyalty may instead be regarded as a burden on the loyal employee because he/she often gets lower wage and gets less attractive on the labor market than those who change jobs every once in a while. This may cause problems within the organizations, such as a high employee turnover where individuals leave their jobs in a faster pace than the organizations expect. This places high demands on organizations to work strategically with their Human Resources Department to recruit the right staff and retaining them in the organization. The purpose of this study was to examine why some individuals are more likely to leave their organizationsthan others. This was accomplished through measuring the variables organizational identification, perceived occupational status and its correlation with the intention to leave their organization. A quantitative survey was conducted in collaboration with the Swedish Armed Forces. The respondents consisted of professional soldiers from Skaraborgs regiment serving in the 42nd mechanized battalion. The results showed significant negative correlations between organizational identification and intention to leave their organization (β=-.39,p=<.001), and perceived occupational status and intention to leave their organization (β =-.35,p=<.001). Organizational identification also had a significant positive association with perceived occupational status (β=.34, p=<.001). The results indicate that organizational identification affects not only the intention to leave their organization, which also has been shown by previous studies, but also employees' perceived occupational status. This provides incentives for organizations to work actively to increase their employees' organizational identification if the employee’s perceive a low occupational status and if the turnover rates are high.
66

Assessment of Global Land Cover Change following Drought Events / Analys av globala förändringar i markanvändnig efter perioder av torka

Engman, Felicia, Kortekaas, Ester January 2024 (has links)
Human-induced climate change alters global weather patterns, increasing the frequency and severity of droughts. Acting as drivers of land degradation, droughts negatively impact the environment, exacerbating food and water insecurity and threatening livelihoods. However, the complex relationship between drought events and subsequent changes in land cover on a global scale remain insufficiently explored, necessitating further research. This study aims to address this research gap by examining the correlation between global drought events and land cover changes, while also exploring variations between countries' different levels of economic development.  To accomplish this, global precipitation data and the 12-month Standardized Precipitation Index (SPI-12) were employed to identify areas affected by drought, followed by an analysis of changes in land cover within these regions. Utilising the capabilities of Google Earth Engine (GEE) allowed for the evaluation of the relationship between drought events and land cover change.  The findings revealed a correlation between drought events and changes in land cover, with variations observed across different world regions. These results were strengthened by the comparison of land cover changes in non-drought areas. When examining trends regarding types of land cover alterations, it appears that Tree cover, as well as Shrub-, and Grassland, has reduced in regions impacted by drought. Conversely, increases are observed in Cropland and Urban areas. When assessing countries based on economic development, the overall trends were consistent with the global results, although with variations between Advanced Economies and Emerging-, and Developing Economies.  Overall, this study acknowledges drought as a driver of land cover change, while also emphasising the influence of other factors such as anthropogenic activities. These findings offer insights into the complex interactions between droughts and terrestrial ecosystems, and emphasises the importance of strategies for sustainable land management and adaptation efforts, globally. / Människans påverkan på klimatet förändrar globala vädermönster och ökar både frekvensen och omfattningen av torka. Torka orsakar förändringar i markanvändning, påverkar miljön negativt, leder till bristande tillgång på livsmedel och vatten samt hotar möjligheter till försörjning. Det komplexa sambandet mellan torka och markanvändningsförändringar på global nivå är i stort sett outforskat och kräver därför ytterligare forskning. Denna studie syftar till att fylla detta kunskapsgap genom att undersöka sambandet mellan globala perioder av torka och markanvändningsförändringar, samt hur faktorer såsom ekonomisk utveckling påverkar markförändringar.  Detta uppnåddes genom att använda global nederbördsdata och 12-månaders ‘Standardized Precipitation Index’ (SPI-12). Områden som har påverkats av torka identifierades, varpå en analys av markanvändningsförändringar inom dessa områden utfördes. Analysen gjordes med hjälp av det geospatiala analysverktyget Google Earth Engine (GEE).  Resultatet visade på en korrelation mellan torka och markanvändningsförändringar, samtidigt som regionala variationer observerades. Detta samband förstärktes genom att undersöka korrelationen mellan markanvändningsförändringar inom områden ej utsatta för torka. Gällande trender i typer av markanvändningsförändringar verkar trädbevuxna områden samt busk- och gräsmark ha minskat i regioner påverkade av torka. Åkermark och urbana områden verkar däremot ha ökat. Vid bedömning av länder baserat på ekonomisk utveckling var de övergripande trenderna i linje med de globala resultaten, även om variationer noterades mellan avancerade ekonomier och tillväxt- och utvecklingsekonomier.  Sammanfattningsvis identifierar denna studie torka som en drivkraft för förändringar i markanvändning, samtidigt som den betonar betydelsen av mänskliga aktiviteter. Dessa resultat ger insikt i de komplexa interaktionerna mellan torka och terrestra ekosystem, samt understryker vikten av strategier för hållbar markförvaltning och anpassning insatser på global nivå.
67

Plant communities in organic and conventional agriculture - comparing local, landscape and regional effects / Ackerwildpflanzengesellschaften in ökologischer und konventioneller Landwirtschaft - die Bedeutung von Standort, Landschaft und Region

Gabriel, Doreen 03 February 2006 (has links)
No description available.
68

Rana prognoza kvaliteta života politraumatizovanih bolesnika sa prelomima dugih kostiju / Early estimate of quality of life in polytrauma patients with multiple fractures of the long bones

Gvozdenović Nemanja 06 April 2016 (has links)
<p>Pod pojmom politraume se podrazumeva te&scaron;ka istovremena povreda najmanje dve regije tela sa anatomskom težinom povrede AIS koja je jednaka ili veća od tri kao i ukupna izračunata anatomska težina povreda izražena ISS zbirom mora da bude veća od 15. Cilj istraživanja je da se primenom upitnika (SF36, PTSD&ndash;testa i Glazgov skale ishoda) proceni kvalitet života između politraumatizovanih pacijenata sa prelomomima dugih kostiju i politraumatizovanih bez preloma duge kosti kao i da se uoče rani pokazatelji lo&scaron;e prognoze kvaliteta života nakon zavr&scaron;etka lečenja. Istraživanje je prospektivnog karaktera i obuhvatilo je 202 politraumatizovana pacijenta koji su bili povređeni u periodu 2010-2014 godine i bili lečeni u Urgentnom Centu Kliničkog Centra Vojvodine. Od 202 politraumatizovana pacijenta na kontrolne preglede se odazvalo ukupno 72 pacijenta, 37 sa prelomima dugih kostiju - ispitivana grupa i 35 politraumatizovanih pacijenata bez preloma duge kosti koji su činili kontrolnu gupu. Godinu dana nakon zavr&scaron;etka hospitalizacije svaki ispitanik je popunjavao upitnik( SF36, PTSD test i Glazgov skala ishoda ), načinjen je klinički pregled i standardna radiografija predela preloma duge kosti. Rezultati ukazuju da ukupni kvalitet života nakon zavr&scaron;etka lečenja se ne razlikuje značajno između ispitivanih grupa, iako politraumatizovani sa prelomima dugih kostiju imaju niži kvalitet života, odnosno značajno lo&scaron;ije fizički funkcioni&scaron;u i imaju značajno če&scaron;će psihičke poremećaje (postraumatski stresni poremećaj, depresija) u odnosu na kontrolnu grupu. Tip preloma duge kosti nije uticao na krajnji kvalitet života politraumatizovanih, dok su oni sa dva i vi&scaron;e preloma imali značajno lo&scaron;iji kvalitet života. Na osnovu dobijenih rezultata konstatovali smo da veću &scaron;ansu za bolji kvalitet života imaju pacijenti mlađi od 44 godine, ukoliko su inicjalno imali vrednost ISS skora manji od 30,5 bodova, vrednosti sistolnog i dijastolnog arterijskog pritiska u referentnim vrednostima, kao i broja eritrocita i trombocita, i ukoliko su primili manje od 4 jedinica transfuzije krvi u prva 24 časa.</p> / <p>The term of polytrauma means, a patient with multiple severe injuries in at least two regions of the body with anatomical severity of trauma AIS equal or greater than three and the total calculated weight anatomical injuries expressed by ISS score must be greater than 15. The aim of our study is early estimate of quality of life in polytrauma patients with multiple fractures of the long bones and polytrauma patients without fractures of long bones as well as to detect early indicators of poor prognosis of quality of life after treatment, using questionnaires (SF 36, PTSD test and Glasgow Outcome Scale). This was prospective study and included 202 polytrauma patients who were injured during the period 2010-2014 and were treated in the Emergency Center of Clinical Center of Vojvodina. From 202 polytrauma patients, on control examinations responded 72 patients, 37 with fractures of long bones - study group and 35 polytrauma patients without fractures of long bones and they were control group. One year after the end of hospitalization each patient filled out a questionnaire (SF36, PTSD test and Glasgow Outcome Scale), made a clinical examination and standard X-rays of long bone fractures. Our results indicate that the overall quality of life after treatment is not significantly different between the groups, although polytraumatized patients with fractures have a lower quality of life and significantly worse physical functioning and have significantly more mental disorders (post-traumatic stress disorder, depression) compared to the control group. Type of long bone fractures did not affect on the final quality of life, while those patients with two or more fractures had a significantly poorer quality of life. Based on these results we concluded that greater chance for a better quality of life have patients younger than 44 years, unless they had initially ISS score less than 30.5 points, systolic and diastolic blood pressure in the reference values as well as the number of red blood cells and platelets, and if they received less than 4 units of blood transfusions in the first 24 hours.</p>
69

Effects of local and landscape factors on grassland plant diversity / Effekte von lokalen und regionalen Faktoren auf den Artenreichtum im Grünland

Klimek, Sebastian 16 November 2006 (has links)
No description available.
70

Zum Einsatz von Likert-Skalen im betrieblichen Bildungscontrolling: Vorüberlegungen zur theoretischen Aussagekraft und praktischen Umsetzbarkeit

Bank, Volker, Schaal, Sam F. 13 September 2010 (has links)
Der Bereich des Controllings betrieblicher Qualifikation und Bildung stellt die Controller vor erhebliche, z.T. unlösbare Probleme: Fast alles, was die Steuerung betrieblichen Lernens anbetrifft, bezieht sich auf nur schwer meßbare latente Größen. In diesem Beitrag soll die methodologische Problematik in einem zentralen Bereich der Steuerung von Maßnahmen betrieblichen Lernens angegangen werden: die Bedarfsanalyse. Zur rationalen Steuerung betrieblicher (Weiter-)Bildung ist die Ermittlung des tatsächlich vorhandenen Bildungsbedarfs unerläßlich. Nur so kann das Kriterium der Wirtschaftlichkeit von (Weiter-)Bildungsmaßnahmen erfüllt werden. Es wird dafür die Nutzung des Verfahrens der summierten Einschätzungen nach Rensis Likert (sogenannte Likert-Skalen) zur Lösung des zugrundeliegenden Meßproblems untersucht. Der Artikel liefert einen methodischen Beitrag zur Operationalisierung und Messung des Weiterbildungsbedarfs und skizziert Ansatzpunkte für weitere Forschung, um eine Anwendung in der betrieblichen Praxis zu ermöglichen.

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