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351 Uppsatser om Experimental - Sida 15 av 24

eWOM-kommunikation på Facebook & Prisjakt : En studie av skillnader i konsumenters uppfattning om eWOM

Purpose ? The purpose of this study is to identify and describe how consumer perceptions regarding information quality, sender credibility and effect of eWOM-communication differ between Facebook and Prisjakt.Approach ? Based on previous research an analytical model was designed. The parts in the model were the aspects of the problem which the present study aimed to examine. An Experimental design was applied in which ten students at Örebro University were exposed to a scenario where they took part of eWOM-communication concerning a specific product on Facebook and Prisjakt and then had to answer questions in an interview. The analytical model formed the base of the interview guide used in the interview and the specific product was chosen with help from a focus group.Implication ? The study illustrates that consumers may perceive the quality higher on Prisjakt while the sender credibility can be perceived higher on Facebook.

Användning av smärtskala på marsvin ? experimentell studie i klinikmiljö

Assessing and measuring post-operative pain in all animals is a challenge, but doing it in small mammals, for example guinea pigs, presents an even larger difficulty. Validated pain scales developed for use in dogs in clinical practice are currently available, but no such scale has been widely accepted for use in guinea pigs in the veterinary setting. In this Experimental study, six guinea pigs that had undergone surgery and anaesthesia were observed for behavioural changes that could be associated with pain. The six guinea pigs were also given pain scores with the use of Colorado State University Feline Acute Pain Scale (CSU-APSF), a scale which uses both behaviour when not handled, body tension and response to palpation to evaluate pain intensity. The six guinea pigs showed a number of different behaviours, for example rigid posture, fixed stare and ?wet dog response? (the body is vigourosly shaken), that could be associated with pain.

Predation på evertebrater under tidig vår i sjön Tåkern

Benthic invertebrates play important roles as feeding resources for many organisms in different food webs. Shifts in predation of these organisms can generate cascading effects and potentially lead to the disappearance of one or more species from a site. Cascading effects can bring impacts to organisms who aren?t even directly involved, why studies in this field are important for understanding sudden changes in ecosystems. I examined the predation from fish and waterfowl on benthic invertebrates in the shallow and eutrophic Lake Tåkern in the plains of Östergötland County, southern Sweden.

Studie av belagda kolvringarmot plasmasprutat cylinderfoder : Med avseende på friktion och nötningsmotstånd

Future emission legislation puts great emphasis on increasing the efficiency of the engine, thereby reducing fuel consumption. The tribological contact between cylinder liner and piston ring is where an great amount of energy is lost due to friction, and by reducing these losses an reduction in fuel consumption can be achieved.The aim of this thesis was to evaluate the tested piston ring coatings against a plasma sprayed cylinder liner and rank these combinations of materials for friction and wear resistance. The coatings that were tested was Cr + Al2O3, (Al,Cr)N, two types of CrN and WC / C.The Experimental tests were performed with a so-called pin-plate, where used oil with addition of an acidic mixture of sulfuric and nitric acid to mimic the acidic condensate formed when exhausts recirculate, were added with a continuous flow. The results were then analyzed by weighing, studies by optical microscopy and scanning electron microscopy (SEM) and profile measurements.The results from each material combination were that the plasma coated cylinder liner wears too aggressively in order to yield a ranking of the piston ring coatings based on the parameters of friction and wear resistance. It is therefore proposed that an alternative coating on the cylinder liner should be developed, lacking the large abrasive wear on piston rings and that can withstand the corrosive environment resulting in engines equipped with EGR.

Frilekens betydelse för barn i förskolan : En kvalitativ studie av några pedagogers syn på den fria lekens betydelse för barns lärande

The aim of this study is to increase knowledge and understanding of free play or free fun time importance for children of age around five years in preschool, in order to promote children?s development and learning. The focus was on exploring and better understanding of teacher?s and educators? approach to the free fun play time as a tool in their educational work, and also about their own role in this context as well as analyzing of forms, rules and structures spontaneously created by groups of children having free play fun time. Another important moment of this study was to give more light on approaches to this issue in education theories by Piaget, Vygotsky and Freud among others.As to the practical Experimental part of the study it has been performed at a preschool and kindergarten in a suburb at the outskirts of Stockholm, with four employed educators there and with groups of children of age around five.

Förlaget och novellen : En studie av Bokförlaget Forums inställning till novellutgivning

The aim of this essay is to examine the attitudes towards publication of short stories, carried by the employees of Bokförlaget Forum, a randomly chosen Swedish publishing house. The study seeks to investigate the causes behind and consequences of the attitudes, as well as their generality. Through qualitative interviews, carried out with five of the company?s employees, the short story is defined as a problematic genre, mainly due to its low commercial success. The conclusions drawn from the interviews are put into a historical perspective, where the developments of the short story-genre, as well as that of the modern Swedish book market, are discussed.

Är plöjningsfri jordbearbetning bättre än konventionell plöjning? :

The background of this study is the fact that it nowadays is more common to grow wheat after wheat. Usually we plow every autumn to remove the straw, and we wanted to study the effect of alternative methods to do it. We have done this experiment to answer the question if no tillage is better than conventional plowing. The results of the field experiment indicate that there is a link between plant establishment and the choice of equipment, but also a higher weed pressure in Experimental plots with only ground tillage. The equipments which left much straw on the top of the ground the problems with fungi were more severe.

Ytans djup : Visuell ikonicitet i den grafiska konstformen lyrik

This thesis revolves around an obvious fact: printed (or otherwise two- or three-dimensional) poetry is always and inevitably visual. By analysing a representative selection of poems, including conspicuously Experimental and image-like poems as well as examples of more conventional poetry, the thesis points out that visual iconicity is an equally inevitable consequence of the visuality of printed poetry. The analysis applies terminology relating to iconicity and intermediality (presented by Lars Elleström, whose theoretical basis is the semiotics of Charles Sanders Peirce) to the selected poems, while avoiding making too specific interpretations, in order to maintain a discussion of the ever-present phenomenon of visual iconicity as such, and not just the individual examples.Rather than introducing visual iconicity specifically to confirm more or less specific interpretations of poetic texts, this method of approaching poems as two-dimensional works of art is what this paper mainly aims to propose, as a productive starting point for literary analyses in general; as is concluded in the theoretical framework by Elleström, the actual modal and iconic properties of printed poetry contradict mutually exclusive dichotomies such as verbal/visual and text/image. While indirectly visually iconic poems tend to have a wider range of possible interpretations at the outset, the existence of iconic potential, however, does not depend on any specific interpretation..

Konsumentreklam som skapar framtidsutsikter - En kvantitativ studie om hur ökad annonsansträngning i konsumentreklam skapar bättre framtidsutsikter för annonsörens anställda

The purpose of this essay is to investigate how consumer advertising has an effect on other groups than the intended, the so-called extended audience of advertising. Previous research shows that consumer advertising can influence investors and employees of a company as well as affect the attractiveness of a company as a potential employer. In addition, research shows that more perceived cognitive effort in advertising results in positive signaling effects for consumers. This study aims to further build on these concepts in order to gain additional understanding of how consumer advertising can influence extended audiences. More specifically, it examines if more (versus less) effort in advertising can improve the future prospects on the labor market for an employee of the advertising company, by looking at recruitment consultants as an extended audience.

Dikesavståndets inverkan på såtid och skörd

All arable land in Sweden need a proper drainage for an effectively agriculture to take place. Of all arable land in Sweden, about 50% is naturally drained and 50% need artificial drainge. More than half of the tile drained area is in need of new drainage or renewed drainage. A good drainage improves farming and crop growth and increases the opportunity to achieve a high and safe harvest level. Future climate change and agriculture size rationalization will increase the need for good drainage. In this paper, two trials with three drainage distances, performed at Lanna Experimental station, were analyzed using a mixed linear model.

Imitation som intervention : En behandlingsstudie om hur Intensiv Imitation påverkar samspel och kommunikation hos en flicka med Rett syndrom

Rett syndrome is a congenital neurological syndrome, which in the classic phenotype only affects girls. The symptoms include lack of speech, stereotypic movements of hands, dyspraxia and mental retardation, and these symptoms lead to communicative impairments. The purpose of this study was to examine whether the intervention method Intensive Imitation affected interaction/communication and initiative in a girl with Rett syndrome. The design of the study was a Single Subject Experimental Design with a three-week long intervention period where the girl participated daily in 30- minute sessions of Intensive Imitation together with the test conductor. Interaction, communication and initiatives were observed and analyzed before (Baseline A), during and after (Baseline B) the intervention period.

Ett varumärke kan inte välja sina föräldrar

Within the interconnected global markets of today; people, products, and information travel at a pace never met before. In light of the global retail markets recent integration, consumers are opened up to new products and are beginning to develop a vetted interest in the heritage of those products. Within literature this process has been coined "Country of Origin" COO, and its impacts on consumer attitudes, product value- assessment, and overall behaviors has been one of the most emphasized areas of "international business" studies, during the last three decades. Numerous studies have shown a correlation between positive or advantageous associations to a country of origin, and the actual products representing and coming out of that country. It is by this synergetic process that so-called positive COO-effects are brought forth.The goal of this thesis stems directly from the still unexplored potential for Swedish firms to differentiate their products and brands on new international markets, through a strategic and coherent communication of relevant Swedish COO-effects.

Stråkröjning och skogsbränsleuttag i unga granbestånd jämfört med konventionella metoder : Två fältstudier vid Asa försökspark

Den här uppsatsen grundar sig på två fältstudier i nyutlagda demonstrationsförsök på Asa försökspark som ska användas i utbildningssyfte. Studie 1 bestod av försöksytor i ett 13 år gammalt bestånd som röjts till samma röjningsförband men med tre skilda metoder; motormanuell selektiv röjning, maskinell stråkröjning och som en kombination av bägge metoderna. Syftet var att beskriva det nuvarande tillståndet, simulera fram prognoser för beståndsutvecklingen och beräkna dess ekonomiska konsekvenser fram till och med första gallring och jämföra de olika metoderna med varandra. Studie 2 bestod av försöksytor i ett 23 år gammalt eftersatt bestånd där fyra olika åtgärder testades; ingen röjning innan gallring, underröjning i samband med gallring, sen röjning och skogsbränsleuttag. Syftet var även här att jämföra de olika metoderna med varandra genom beskrivning av det nuvarande tillståndet, göra prognoser för beståndsutvecklingen och beräkna dess ekonomiska konsekvenser vid första gallring och i den här studien även fram till och med den andra gallringen.

Kvantfysikens grunder i Gy2011 : En tolkning av kursplaner för fysik 1 och 2

AbstractThe beginning of the 20th century gave birth to quantum physics. Within years it revolutionized material science and converted the theoretical foundations of modern chemistry, and to some extent even biology, to physics? new branch, molecular physics. Merger of relativistic and quantum physics soon led to the development of quantum field theory and a deeper understanding of the elementary constituents of matter. Part of this development found its way into high school textbooks as early as in the 1950s.

Cassava as an additive in biomass fuel pellet production :

In this study, the effects of using fine milled cassava stems as an additive in biofuel pellet production was compared to the effects of refined starch addition. The bulk biomass fuel raw material, to which the additive was added, was a blend of spruce and pine sawdust. An Experimental design in the factors cassava/starch content, moisture content and material temperature was used. Measured responses were pellet bulk density, pellet durability, amount of fines, pelletizer motor current, pellet temperature, die temperature and CV for pelletizer motor current (a measure of process stability). Each response was modeled by multiple linear regression (MLR).

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