Sök:

Sökresultat:

1425 Uppsatser om Enkel linjär regression - Sida 49 av 95

Säkerheten inom skolans kemiundervisning

Med detta arbete vill jag undersöka kemilärares attityder till säkerheten gällande kemilaborationer. Jag vill få en inblick i hur arbetet fungerar i praktiken och vilka faktorer som har betydelse för säkerheten. För att studera lärarnas inställningar valde jag att utföra semistrukturerade intervjuer med hjälp av färdiga frågor. Denna metod ger möjlighet att med hjälp av följdfrågor få en rättvis bild av lärarnas åsikter samtidigt som det ger bra underlag för att jämföra mellan lärarna. Under laborationstid känner sig alla lärare ansvariga för säkerheten och har utarbetade säkerhetsrutiner. Lärarnas individuella inställningar till säkerhetsarbetet verkar vara beroende av hur mycket skolan de arbetar på har satsat på säkerhetsarbete.

Vem använder budget? : En kvantitativ undersökning av budgettillämpningen i olika organisationer

Weber and Linder (2005) have enlightened that the focus of the current debate on the budget?s to be or not be, has been on trying to find a general tool, which fits best in all situations. They argue that the budget may be more appropriate for organizations in certain circumstances, than for others. They claim that there is a gap in research concerning the situations in which the budget may be appropriate, or when Beyond budgeting is preferred. It is this gap we are trying to fill with our thesis.The purpose of the thesis is to explain which situational factors that affect the organization's use of budgets for the functions the budget can fulfill.

Bull´s Eye? : Träffsäkerheten i analytikers prognoser

Background: An evaluation of analysts´ forecasting ability is interesting since their estimates constitute an important part in stock valuation and investment decisions. The recent years´ development in the stock market has lead to criticism of analysts? deficient forecasts. Purpose: The purpose of this thesis is to evaluate analysts´ forecasting ability concerning companies quoted at Stockholmsbörsen between 1987 and 2002. We also intend to discuss possible explanations for analysts? behavior in case of deficient accuracy.

Är Leviathan giftig? : Autonomi och repression som förklaringar till regimskillnader i förväntad livslängd

During the last decade a number of studies have been published that investigate how the most fundamental aspect of political organization, the regime type, affects population health. The results unanimously show that citizens of democracies live longer and healthier lives than citizens of non-democracies. Many explanations for this have been suggested, among these are that democracies redistribute more and invest more in salutogenic resources, and that the tendency of dictatorships to control the media negatively affects the ability to spread information crucial to public health. When these mechanisms are controlled for, however, it turns out that democracy has a large residual correlation with for example life expectancy, which suggests that other mechanisms are also involved.In this paper two new mechanisms regarding the possible psychosocially mediated health effects of the regime type are investigated, namely political repression, and the possible negative effects this might have on the levels of chronic stress, and autonomy, which connects to a large previous literature in social epidemiology. In the paper an ecological cross-country design is used and country-level data, provided mainly by the World Bank and Freedom House, is analyzed with a simple multiple OLS-regression model.

En utvärdering av användarvänligheten hos Bibblo.se

Denna studie undersöker användarvänligheten hos Bibblo.se, en bibliotekswebbsida där 47 bibliotek i Norrbotten gemensamt gått ihop och skapat en gemensam webbplats, utifrån fyra olika aspekter enligt exempelvis författarna Nielsen, Krug, Sundström m.fl: siddesign, innehållsdesign, webbdesign och interaktionsdesign. För att undersöka användarvänligheten hos Bibblo.se gjordes sex stycken användartester som följdes upp av kvalitativa intervjuer. Användartesterna gjordes med hjälp av ?tänka högt?-metoden (?think aloud?). Användartesterna och intervjuerna följdes upp av kvalitativa analyser.

Effektivisering : En utredning om åtgärder på en industrifastighet

AbstractDelta Terminal owns an outdated industrial building which they now rent out to businesses. This property currently has a high energy con-sumption and therfore it is desirable to improve the efficiency. In ordet to reduce the energy consumption within the industrial building enve-lope, the heating systems and lighting are being investegated. A good building envelope emits less heat and thus reduces the energy consump-tion. An energy audit is a tool used to determine the energy loss.

Kapitalstrukturens inverkan på företagsvärdet : - En kvantitativ studie av den svenska aktiemarknaden

Background: During extreme market conditions like the period during fall 2008 the discussion of what affects company value becomes apparent. The capital structure is the relation between borrowed capital and equity in a company´s financing mix. What impact changes in capital structure have on company value is a widely debated subject within the theory of finance. If a relationship between capital structure and company value exists the implication is that an optimal capital structure where company value is maximized also exists.Aim: The aim of the thesis is to study whether a certain relationship between capital structure and company value exists among selected stocks and companies listed on Stockholmsbörsens OMXS30.Implementation: With aim to fulfill the purpose of the thesis regression analysis has been performed among chosen stocks and companies. The empirical results eventuating from this have been analyzed from the view of elected relevant theory.Completion and results: We find that during normal market conditions a positive relationship between debt ratio and enterprise value (EV) can be established.

Utmattning av järnvägsbroar i armerad betong : Enligt eurokoder

Commissioned for this report is Ramboll, Bridge and Tunnel Unit in Stockholm. Theidea throughout the work has been to primarily help bridge designers compilingadvice and instructions on how fatigue verification for railway bridges in reinforcedconcrete shall be performed under the new rules, the Eurocodes.After the introduction of the Eurocodes in 2011 has major problems emerged amongdesigners around Sweden. In some areas, it differs in the calculation rules comparedwith rules from the Swedish Transport Administration and the National Board ofHousing, Building and Planning calculation. Fatigue verification is one area where thenew calculation rules are different from the past.A large part of the report has been to interpret and find the relevant information inthe Eurocodes concerning fatigue. When questions or doubts have surfaced, this hasbeen discussed with Elisabeth Helsing at the Swedish Transport Administration andbridge designers at Ramboll.The result is a report where the structure is organized in the way that the bridgedesigners can move from cover to cover and realize that fatigue verification in realityfollows the same order as the report's sections.

Har IFRS gjort redovisningen mer effektiv för investerare? En studie om goodwillpostens relevans. : En studie om goodwillpostens relevans.

Title: Have IFRS made the accounting more efficient for investors? ? A study of goodwill-relevance Level: Final assignment for Degree of Master (One Year)Author: Patrik Nygard and Andreas Pettersson       Supervisor: Markku Penttinen            Date: 2010 ? MayAim: The Swedish banks SEB and Swedbank are on the same market but their goodwill is amortized totally differently and its results will be different. We decided to examine the accounts in Sweden and see if they have been more efficient, from a user perspective, after the introduction of IFRS in year 2005Method:  This paper is made from a quantitative and a deductive approach. We have collected data from all companies listed on the Stockholm Stock Exchange between the years 2002-2008 using the computer program Financial Datastream and then made the regression and other analyses and comparisons with the program MinitabResult & Conclusions: We have in this paper demonstrated that how the accounting of goodwill designed is relevant to investors and that this relevance has increased in Sweden after the transition to IFRS. We have also concluded that the goodwill has greater relevance in a rising market than in a downward.Suggestions for future research: In future researches can the aim be to compare other accounting standards changes that occurred in the year 2005 and see if the accounting, from that perspective been more efficient.Contribution of the thesis: We have shown how the account influences investor?s decisions during different accounting systems and in particular how they react on the changed account of goodwill.

Fundamentala faktorers förklaringsgrad och simuleringsmöjligheter gentemot elspotpriset på Nord Pool : Utsläppsrätternas betydelse för elspotpriset under andra handelsperioden

The purpose of this study is to evaluate the relation between certain chosen fundamental factors (emission trading rights, hydrological balance, interaction with continental Europe, fuel prices) and the spot price at Nord Pool. Particular focus has been put on the trade with emission rights since it is only now their actual impact on electricity prices can be studied. The relationships are measured with regression analysis which includes both R2 and the simulation possibilities of ARX models. The studied period covers 2008 and 2009 with partly daily data and partly weekly data. Owing to the expected higher importance of the fundamentals during the winter months the winter 2008/2009 has been studied separately.

Välkommen till förskolan : Hemsidan som hjälpmedel för kommunikation

 I kursen Självständigt arbete 15hp under förskollärarprogrammet har vi valt att skapa en hemsida som hjälpmedel för kommunikation. Syftet med hemsidan är att underlätta det första mötet med den svenska förskolan och det svenska språket för barn och vårdnadshavare med annat modersmål. Det ska även ses som ett redskap för pedagoger där de kan belysa de olika språken som finns i barngruppen, samt ta del av enkla ord på olika språk. På hemsidan kan det hittas enkel information om hur en dag på förskolan kan se ut och vad som kan behövas i vistelsen på förskolan. Det går även att ta del av vanliga föremål som kan finnas i förskolans inne- och utemiljö.

Kvinnor i en mansdominerad värld : En jämförande studie om kvinnors representation i de etablerade demokratiernas parlament

The purpose of this study is to map out and to analyze the spatial variation of female representation at the national level in established democracies. The aim is also to explain the variation in the female representation. The main questions that the paper tries to answer are:1.How does women representation in established democratic parliaments vary?2.Why does women representation in established democratic parliaments vary?This study is a comparative and statistic study, i.e. a study that includes a bigger number of countries and where quantitative analysis methods are used in order to achieve comparative analyses.

Användare & filter : En studie om filterfunktioner på fotoapplikationer

Genom a?rhundraden har bilden varit en viktig del i va?rt samha?lle. Den har varit en ka?lla till underha?llning, sparande av minnen och a?ven ett sa?tt att kommunicera pa?. Bilder har anva?nts pa? ma?nga olika sa?tt och sedan 1800-talet har vi kunnat fa?nga bilder genom fotografier.

Kollisionsundvikning för UAV

I en obemannad flygfarkost måste datorer ta över pilotens förmåga att värdera risker och undvika kollisioner. På algoritmnivå brukar man dela in problemet i tre delar: Upptäckt och estimering av inblandade farkosters positioner och hastigheter, kollisionsriskberäkning och slutligen undanmanöver.Saabs arbete med obemannade farkoster har tidigare berört kollisionsundvikning lite ytligt men nu börjat på större allvar. Det här examensarbetet är en del i denna satsning och har resulterat i ett sätt att beräkna kollisionsrisken samt ett sätt att beräkna en undanmanöver, givet att de inblandade farkosternas positioner och hastigheter är kända. I examensarbetet behandlas parvisa kollisionsscenarier mellan ickekommunicerande farkoster givet två olika fall. Dels där den främmande farkostens position skattats väl, dels där den främmande farkostens position skattats sämre.

Vem drar mest nytta av en internetadministrerad kognitiv beteendeterapi mot uto?vande av va?ld i na?ra relationer? : Moderatorer i en randomiserad kontrollerad studie

Inom ramen fo?r IVIN- projektet avsa?g fo?religgande studie att explorativt underso?ka vilka variabler som kan moderera behandlingsutfallet i en internetadministrerad KBT-behandling fo?r personer som upplever sva?righeter att reglera ilska, aggressioner eller utagerande beteenden i na?ra relationer. Sextiofem personer inkluderades och randomiserades till de tva? betingelserna behandlingsgrupp (n=32) och kontrollgrupp (n=33). Aktuell studie baserades pa? resultaten fo?r de deltagare som fyllt i fo?r- och efterma?tning (n = 59).

<- Föregående sida 49 Nästa sida ->