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941 Uppsatser om Multipel regression - Sida 30 av 63
Mindfulness och välmående : Kan större medvetenhet om den nuvarande stunden få oss att vara mer nöjda med livet?
AbstraktSyftet med studien var att undersöka i vilken utsträckning mindfulness hos studenter predicerades av välmående (i form av livstillfredsställelse), kön, ålder och utbildning. Mindfulness är av intresse eftersom det är hjärtat i den buddistiska traditionen i form av mindfulness meditation och vägen mot upplysningen. Men det är också en inriktning inom psykologin där mindfulness betyder att närvara i stunden. Min hypotes är att mindfulness kan skapa utrymme att omvärdera den subjektiva värderingen av hur nöjd man är med sitt liv. 66 kvinnor och 47 män ingick i studien.
Likviditetseffekt på volatilitetssmilet för aktieoptioner
Optionshandeln har ökat markant på senare år och detta beror på att investerare vill sprida sina risker. Är optionerna korrekt prissatta eller kan det finnas arbitragemöjligheter? De flesta av investerarna använder sig idag av Black & Scholes formel då de prissätter optioner. I Black & Scholes formel är volatiliteten för aktien okänd och måste uppskattas. I denna uppsats vill jag undersöka om likviditeten har någon effekt vid uppskattning av volatiliteten.
Frihet från ansvar : Professionellas kunskaper om sexuella riskbeteenden vid HIV-infektion utomlands
Theories about exposure and risk-taking in an everyday environment show a connection between parental strategies, parent-child relationship and exposure on the Internet. In the present study, the Internet is presented as an everyday activity. Negative exposure is seen as an outcome of risk-taking. The purpose of the study was to examine in what way parental strategies together with the parent-child relationship were related to the teenagers? negative experiences on the Internet, which consisted of three categories: 1) Exposure to pornographic sites, 2) Exposure to upsetting and violent material, 3) Digital bullying.
Bryggor - En studie av bryggors förekomst i publika bolag och påverkan på träffsäkerhet i analytikerestimat av EPS
Previous studies have shown that there is a relationship between voluntary disclosure and analysts' forecast accuracy. However, there has been no research conducted specifically on bridges. Bridges contain information on how components such as price, volume, foreign exchange rates and acquisitions have impacted the financial performance between two periods. The main purpose of this thesis is to investigate the usage of bridges in quarterly financial information of companies listed on Nasdaq Stockholm. We provide a descriptive mapping of bridges and find that 30 out of 268 companies are presenting bridges as a part of their voluntary disclosures, with large firms being the most frequent users.
Allokering av kapitalinkomst - en effekt av århundradets skattereform
The aim of this paper is to study intra household allocation of capital income by using data on Swedish observations. The 1991 tax reform was to change the taxation on capital income from a progressive to a flat tax system. Before the tax reform there were incentives to allocate capital income to the spouses with the lowest income of labor in order to reduce the total tax burden. The data describes the year of 1989 and 1993, those we choose to examine. Using Swedish data from LINDA database we estimate a quotient by ordinary least squares (OLS) regression.
Skaftslamkrypa (Elatine hexandra) i Bolmen, utbredning, tillväxt, reproduktion och styrande faktorer
The plants in the genus Elatine are characteristic for oligo and mesotrophic lakes. This study focuses on Elatine hexandra one of the four species in Sweden. It is stated as vulnerable by the National Environment Agency and a conservation plan with guidelines to preserve the plant in Sweden is under preparation. There have been a few previous studies investigating this plant in other countries but this is the first one for Sweden. The aim of this study was to investigate the distribution, growth and reproduction of E.
Engagemang i skolan : Kan förbättringar i arbetsmiljön gynna lärarnas prestationer och hälsa?
Lärare tillhör den yrkesgrupp där stressrelaterad ohälsa ökar som mest. Syftet är att undersöka hur olika faktorer i arbetsmiljön kan bidra till minskad stress och ökat arbetsengagemang. Utifrån Job Demands-Resources (JD-R) modellen skapades frågeställningarna om hur arbetsmiljöfaktorer är relaterade till stress och engagemang och förhållandet dem emellan. Grundskolelärare (N=57) skattades genom frågeformulär. Hierarkisk Multipel regressionsanalys och korrelationsanalys användes för att besvara frågeställningar.
Att leva med epilepsi
Multipel skleros (MS) är en livslång sjukdom som medför större eller mindre funktionsnedsättningar hos den MS-sjuke. I Sverige lever cirka 18000 personer med MS och sjukdomen debuterar oftast i 20-40 års ålder. Sjukdomen drabbar det centrala nervsystemet och orsakar succesiv nedbrytning av nervfibrer. Orsaken är fortfarande oklar och idag finns ingen botande behandling. Insjuknandet och funktionsnedsättningarna påverkar även närståendes liv och medför påverkan på hela familjen.
Påverkad strukturerad produktion produktiviteten? : Analys av mätningar från byggbranschen
The cost of construction projects have increased during the past few years. Different actors in the construction industry work together to advocate various measures to mitigate these cost increases. One of these measures is to try to improve the efficiency in the phase of production. By striving for a kind of standardization with a constant quest for improvement, the productivity can increase while the costs of production fall.For this thesis has a case study been conducted at the construction company JM AB which is seeking this. They call the approach structured production and have implemented various measures to achieve a more productive output.Based on information from reconciliations, the cost and the spent hours of craftsmen have been analyzed at the company where the case study took place.
The effects of Joint Ventures announcements on stock returns behaviour - An Event Study of the Stock Market
The purpose of this study is to examine the effects of joint venture announcements on stock prices behavior and simultaneously to test the German stock market (Frankfurter Wertpapierbörse) for efficiency. We tried not only to analyze the general impacts of a JV-announcement but also to look for differences in the market response to announcements of different types of joint ventures, namely: domestic, international, horizontal and vertical. Our expectations of efficient market were confirmed during our paper, which employed the technique of the standard event study. The calculation of abnormal returns which are the signals for market efficiency or inefficiency respectively were based on the market model, establishing linear relationship between the return on the market and the return on an individual security. The parameters of the model were obtained through regression analysis..
Färdvägsmiljöer vid cykling för transport : En studie av en modell om uppfattningar av färdvägsmiljön hos cyklister
SummaryAimThe study examines a theoretical model developed to capture cyclist´s perceptions of the route environment. The survey focuses on if level two and three in the theoretical model captures what it´s intended to do. More specific we ask ourselves how the three appraisals (unsafe/safe by traffic reasons, stimulating/inhibiting route environment, unsafe/safe by other reasons) in the model´s second level relates among themselves and if these three appraisals can capture the degree of environmental well-being/unwell-being in the model´s third level. The questions were: Do the three appraisals differ among themselves? What is the difference/-s in such cases? And, is there a correlation between any of the three appraisals and environmental unwell-being/well-being? What is the correlation in such case? MethodThe gathering of data was done through questionnaires.
Hur personlighet enligt Big Five-modellen predicerar mindfulness
Mindfulness innebär att vara medvetet närvarande i nuet på ett icke-dömande sätt. Forskare har idag haft svårt att enas om en enhetlig definitition av begreppet. Att studera personlighetens betydelse kan hjälpa forskare till en ökad förståelse för begreppet mindfulness. Syftet med denna studie var att undersöka hur de fem personlighetsegenskaperna neuroticism, extraversion, openness to experience, agreeableness och conscientiousness predicerar mindfulness. Syftet föranledde en frågeställning huruvida mindfulness bäst bör definieras som en egenskap eller som en teknik.
Relationen mellan prestationer och ersättning
The thesis handles the principal-agency problem between shareholders and the Chief Executive Officer. The purpose of the thesis was to examine the link between CEO compensation and corporate performance measured as a change in Market to Book ratio. Data was collected from corporate annual reports between the years 2000 ? 2008 and the study covers 39 Swedish companies from the Stockholm Stock Exchange Large Cap list. To examine whether there is a link between the CEO´s compensation and firm performance, we performed a regression analysis, and no significant relation is found.
Den livsmedelshygieniska kvaliteten hos franska opastöriserade dessertostar :
This study was performed to investigate the bacteriological quality of French cheeses made from raw milk. Fifty cheeses of this type were purchased from Swedish retail premises. The methods described by the Nordic Committee on Food Analysis (NMKL) were used to determine the number of Enterobacteriaceae, presumptive Escherichia coli, coagulase positive staphylococci and Listeria monocytogenes. In 32 cheeses (64%) the number of bacteria mentioned above exceeded the determined maximum value. Thirty samples (60%) showed high counts of Enterobacteriaceae.
Bo?r man ra?kna med en fo?delsedagseffekt? : En studie om sambandet mellan elevers fo?delsema?nad och slutbetyg i a?rskurs nio inom a?mnet matematik, samt en underso?kning om pa?verkansfaktorer inom a?mnet.
The aim of this study was to examine if there was a relative age effect in students grade in mathematics. The study was built on regression analysis and Spearman rho on student?s month of birth and their grades. It was found that there is a relative age effect in the student?s grades.