Tinnitus is the perception of sound in the absence of an external source. 10-15 % of the population is experiencing tinnitus. There are different causes such as damage to the inner ear, musculartension and stress. Tinnitus affects many different aspects of an individuals life and often disturbs everyday activities. There are different treatments for tinnitus.

This thesis has been conducted at Saab Bofors Dynamics AB. The purpose was to investigate if a non-linear missile model could be stabilized when the optimal control signal is computed considering constraints on the control input. This is particularly interesting because the missile is controlled with rudders that have physical bounds. This strategy is called Model Predictive Control. Simulations are conducted to compare this strategy with others; firstly simulations with step responses and secondly simulations when the missile is supposed to hit a moving target.

This study examines if the prediction of cardiovascular disease in hypertensive patients can be improved upon when renal function and microalbuminuria are added to the classical risk factors The predictive capability of a model is measured by discrimination, calibration, reclassification and Harrell's C.The results are ambigious. In most cases, microalbuminuria should be included in the model, but the results regarding the other measures of renal function are varied. Therefore, the selection of risk factors to include in the model depends on which measure of prediction one prioritizes..

Modern air battles are very dynamic and fast, and put extreme pressure on pilots. In some unpredictable situations, like new discovered threats or mission plan deviation because of enemy aircraft, the pilots might need to replan their predefined flight route. This is very difficult, if not impossible, to do since numerous factors affect it. A system that can help the pilots to do such a thing is needed. Previous work in this field has involved methods from artificial intelligence like A*-search.

This is a final thesis done at BT, considering one of their forklift truck models called Reflex. The first part of this report is about a preliminary investigation investigating what kind of diagnostic systems BTwants to use, and also which demands there are to meet all expectations on such system. Secondly a diagnostic system, which will show if the drive wheel is worn out, will be presented. In the preliminary investigation, two kinds of diagnostic systems were mentioned. These were Model based diagnosis and Predictive analysis.

This report explores how organizations act when they are choosing an Outsourcing supplier. The study was conducted through multiple interviews with managers of different organizations. The data from those interviews was then analyzed through the use of two theoretical models. Our findings indicate that most organizations share the same base factors (qualifiers) when selecting an Outsourcing supplier. What therefore become crucial are the key factors that the Organizations see as Order winning factors.

Arbetet har utförts på Saab Bofors Dynamics AB i Linköping och dess syfte är att undersöka möjligheten att applicera teorin för prediktionsreglering, Model Predictive Control (MPC), på guidance systemet i en missil av typen Medium Range Air-to-Air Missiles (MRAAM). Även implementering via Explicit MPC har undersökts. I tidigare studier har det visat sig att den moderna slutfasstyrningsalgoritmen Linear Quadratic Augmented Proportional Navigation (LQAPN), som återkopplar missilens acceleration och rotation, uppvisar en bättre prestanda än de mer klassiska styrlagarna. Det främsta intresset med denna studie är därför att undersöka hur tillvida en styrlag baserad på MPC kan mäata sig med dessa resultat. Fördelen med att använda MPC är framförallt att man kan ta hänsyn till styrsignalbegränsningar på ett direkt och intuitivt sätt.

AbstractObjective: To investigate the occurrence of and the risk factors for falls and to  investigate level of fall-related self-efficacy and health-related quality of life in people living in community living, 75 years or older within Uppsala and Västmanlands county. A further aim was to identify predictive risk factors for falls. Design: A cross-section study with a descriptive, comparative and correlative design based on a questionnaire was used. Participants: The participants were recruited from Uppsala and Västmanlands county. A random selection on 525 individuals was done, from a population based sample, in the detailed municipalities.

AbstractObjective: To investigate the occurrence of and the risk factors for falls and to  investigate level of fall-related self-efficacy and health-related quality of life in people living in community living, 75 years or older within Uppsala and Västmanlands county. A further aim was to identify predictive risk factors for falls. Design: A cross-section study with a descriptive, comparative and correlative design based on a questionnaire was used. Participants: The participants were recruited from Uppsala and Västmanlands county. A random selection on 525 individuals was done, from a population based sample, in the detailed municipalities.

The Net Promoter Score (NPS) has been claimed to be the single most reliable indicator of firm growth and has gained wide adoption among companies in a broad range of industries. This is despite a lack of rigorous scientific testing. The purpose of this study is to examine the predictive strength of the question "How likely are you to recommend [.] to your friends and colleagues " that the metric is based on: how well does it actually predict future consumer behavior Furthermore, the report aims to create a greater understanding of the factors that explain a person's word of mouth (WOM) intention and which behaviours cause that intention to change. A longitudinal study was conducted of 304 consumers' WOM intention regarding two non-carbonated drinks and their subsequent WOM and purchase behavior. The analyses show that the behaviors are captured by the metric to some extent.

The purpose with this disertation is to find if there are selected factors which can force companies to grow. We have chosen five factors which we think can force the companies; market, strategy, profitability, demographic and institutional factors. We want to examine if there are differences between small and larger companies, and if there are differences between the lines of business.The intention to growth is also influenced by different factors. The organization and the board have an effect on the development. There are also factors that can obstruct the growth, for example control.

While reading in deaf children has been the object of a number of studies, the reading abilitiesof children with mild and moderate hearing impairment and their relation to cognitiveprocessing have not received very much attention. Predictive factors of reading ability inhearing children are well known, with phonological and working memory abilities beingnecessary prerequisites for reading development. Existing studies suggest, however, thatcertain hearing-impaired children achieve a reading level comparable to that of hearingchildren in spite of impaired phonological abilities. In the present study, reading abilities anda range of cognitive processing abilities were measured in a group of hearing-impairedchildren and compared with hearing controls in equivalent school grades. Comparisons weremade at group and school-grade level, and the cognitive profile of hearing-impaired childrenat level with controls (those being within one standard deviation) was discussed.

The purpose of this paper is to examine witch factors lays behind political decisions when reforming upper secondary school. Three major factors are used: political, economical and structural. These factors become visible by comparing the school reforms 1965 and the coming one in 2009. An analytical scheme is used to find the factors in the primary information. The study is based both political inquiries and on debate articles from newspapers and political papers.The results show that two factors are more visible than the third, and that is the ideological and structural.

The aim of this study is to create a deeper understanding of the disease known as eating disorder. The study is based on four autobiographies written by individuals who themselves have been affected by eating disorders. These stories have been studied using a narrative approach. To achieve the purpose, the study is focused on what participants describe as the factors underlying the onset of the disease, the factors that participants describe maintained their eating disorders, as well as what is described to be the factors responsible for their recovery. By my interpretation of the stories, I have been able to identify common factors that all participants describe to be influential in their disease course.

The reduction of coarse, dead wood is considered to be the biggest threat to flora and faunain boreal forests. Extensive harvest of logging residues would increase this reduction evenmore. However, the role of dead wood created at final felling for boreal, epixylic species isstill largely unclear. It is therefore of interest to examine whether epixylic species inhabit thedead wood in young, boreal stands, especially species considered to be confined to forests inlate successional stages.The aim of this study was to investigate whether forest-interior species in fact can inhabitearly-successional forests arisen after logging. The study was conducted in young standsbordering dead wood rich woodland key habitats.