The Internet offers an abundance of information. This information is easy to access in technical terms, however it is difficult to find. At present there is a wide variety of search services to choose from. This master's thesis is about selecting the appropriate search service for a certain question. Are different types of services suitable for different types of questions, and if so, which services for which questions?To answer this, I have undertaken one theoretical and one empirical study.

Two field experiments were conducted in central Sweden in order to: 1) Determine a relationship between the number of approaching pine weevils (Hylobius sp.) and the number of attacks by pine weevils, in relation to the size of seedlings of Scots pine (Pinus sylvestris). 2) Determine if application of methyljasmonate (MJ) on seedlings of Scots pine will result in higher resistance towards attacks by pine weevils and/or have any effect on the number of approaching pine weevils. The field experiments were designed with two separate parts in close vicinity on the same clear cuttings: a) pitfall traps placed in patches of scarified soil that caught approaching pine weevils at 2.5 cm from the bait, which consisted of different sized seedlings of Scots pine some of which were subjected to application of MJ and b) the same type of seedlings planted out in patches of scarified soil. The first field experiment was conducted on a 1-year old clear cutting outside Uppsala in east central Sweden and the trapping part of the experiment consisted of 8 blocks with 6 treatments: 1) control, 2) small over-wintered seedling, 3) medium sized seedling, 4) medium sized seedling treated with 0.5 ml 100 mmol MJ 4 days prior to start of experiment, 5) large seedling, 6) vial with 9.5 ml of ?-pinene. The trapping experiment lasted for 6 weeks in the early summer.

Alla drömmer om att komma bort från vardagen även om det bara är för några timmar. När en person betalar för en upplevelse vill denne ha tid att njuta av flera minnesvärda händelser som erbjuds av ett företag, och som berör personen på ett personligt sätt. Karlstad CCC är en tillflyktsplats där gäster kan få energi och drömma sig bort för en kväll, genom bland annat en minnesvärd föreställning. Syftet med denna studie är att beskriva gästens upplevelse under en föreställning på Karlstad CCC. Denna upplevelse ska analyseras genom observationer, intervjuer, enkätundersökningar och experiment.

The decomposition of organic carbon in drained peat soils is a major source of carbon di-oxide in Sweden. A big part of these drained peat soils are used in agriculture and it is a big challenge to slow down their decomposition. It has earlier been thought that less tilling and higher water table levels would decrease the activity of soil microbes and thereby the decomposition, but recent experiments has showed that this has little or no effect. In this bachelor thesis a field experiment was made on drained peat soil with ley, outside Björklinge, Uppsala municipality, Sweden. The experiment was carried out in May 2011. The objective was to develop a method to examine how the net exchange of carbon diox-ide from plant covered peat soil is affected by temperature and photosynthetically active radiation (PAR).

With this study, our purpose has been to achieve profounded knowledge and understanding regarding the use of discretion among social workers specialized in social allowance issues. The Social Services Act, structured as a framework law in the Swedish context, provides the social worker with a certain degree of discretion, in order to enable accommodated decisions depending on client case specifics. This study problematizes these aspects of legal security, and our intention has been to examine which factors impact the assessments social workers carry out in statutory decisions of social allowance applications. To attain this, we narrowed down our intention into a number of distinct and delimitated research questions: (1) Which elements of the client case impact the social worker?s assessment? (2) Which external aspects influence the social worker?s assessments and decisions? (3) How do social workers decide the client?s credibility? In order to establish answers to our research questions, we have utilized a qualitative approach of research by exerting qualitative interviews in addition to a vignette study.

This essay discusses different opinions about experimental archaeology. To start with literature was examined and a questionnaire was sent out to students and working archaeologists. The possibility for experiments to mediate archaeology to people without an education in archaeology is lifted and is also mentioned in the questionnaire. In the discussion part of the essay the results from the questionnaire and the literature are used to see what opinions are the strongest. The mediating is also discussed and the result is compiled in the conclusion.

The purpose of this thesis is to see how small differences in a store can affect the customer behavior. The changes consist of auditory and visual sensory cues. Since many companies today makes a lot of changes in their styling element, but without knowing how it really affects the customer behavior we thought it would be interesting to see by doing an experiment at IKEA. The study is therefore based on a quantitative research method, where theories have been described and from which hypotheses have been derived to test the theories. The experience took place at IKEA during two weeks where 5732 observations were made.The result from the experiment is that the sensory cue sight makes individuals spend more time in the environment but not creating attention.

Digital video är ett område som expanderat kraftigt senaste åren. På grund av avancerade videokompressionsmetoder kan numera en hel långfilm rymmas på mobiltelefonen eller den handhållna videospelaren. Men hur fungerar videokompression och hur hårt kan man komprimera en viss filmsekvens med bibehållen användarnytta? I denna uppsats görs en genomgång för grunderna inom videokompression. Dess förhållande till användarnyttan undersöks genom ett experiment.

An LSS officer?s activities are governed by laws and regulations and it has great power in influencing the individual's situation when reweaving its case. Officer?s actions have effects on the applicant and it can use its power and not look after the individual's best. Its interest can lie in community and his own position.

Denna studie utgörs av ett explorativt experiment. Det som har legat i fokus för denna studie har varit att mäta attityd gentemot varumärkes produkter. Eftersom det har skett genom experiment har det centrala varit att se hur attityden påverkas. Studien använder sig av vissa teorier kring varumärken som råd och tips i upplägget av experimentet. En av hypoteserna som ställdes i studien var att positiv beskrivning av varumärkes produkter ger högre utfall i värderandet och viljan att äga produkten än neutral beskrivning.

Abstract: According to previous research, it is not unusual for online poker players to create profiles which indicate they are members of the opposite sex. This phenomenon, known as 'Gender Swapping', is partly being utilized in a strategic fashion. The purpose of this thesis is to evaluate whether or not the gender of an opponent has an impact on decision-making in an online poker environment. An experiment was constructed where subjects made 15 poker-related decisions against seven randomly generated opponents, consisting of three male, three female and one genderless opponent. The results indicate no significant differences in decisions against male and female opponents.

AimThe aim with this study was to acquire knowledge of mental training and if you can use it in the elementary school to increase in a short period of time the performance in a coordination test. Furthermore we wanted to investigate teachers understanding of the possibilities to perform this kind of training in the elementary school, and if there is support for this in the school regulation.MethodAs method we have used a combination of a literature pre-study, interview and at the end an experiment. Before the experiment and interviews could take place we studied literature about mental training to get a basic knowledge of the subject. The facts we learned from our pre-study and interviews gave us the base for our experiment. The experiment group included 23 pupils in a third class at school situated in Stockholm.

BakgrundFörskolans arena erbjuder stora möjligheter till naturvetenskapliga upptäckter varje dag. Genom barnens nyfikenhet kan ögonblick fångas upp och bli till rika lärandemiljöer inom området. För att nå dit krävs ett tillåtande klimat där barnen uppmuntras att utforska sin närmiljö. Pedagogens roll är en viktig faktor där produkt och process kan kopplas samman till en meningsfull helhet och på så sätt nå det syfte som verksamheten eftersträvar.SyfteJag vill studera hur förskolebarn agerar, reagerar och resonerar vid utforskandet av naturvetenskapliga experiment, specifikt inriktade på kemi. Mitt intresse riktar sig mot interaktionen och hur den yttrar sig mellan barnen, mellan barnen och det laborativa materialet samt mellan barnen och mig som deltagande observatör.MetodForskningsmetoden har inspirerats utifrån etnografisk ansats, där jag som forskare har valt att vara aktiv på fältet genom att inta rollen som deltagande observatör.

Att genomföra ett test som alltid ger samma resultat kan i längden kännas omotiverat. Strauss test är ett test som funnits länge för att testa stålets känslighet mot interkristallin korrosion. I detta arbete har Strauss test utvärderats i syftet att få fram ett underlag som kan användas för att starta diskussioner om en förändring i provningsmetodiken. Anledningen till att en förändring behövs är att alla dessa, ej informativa, tester kostar pengar. För att få fram underlaget har en litteraturstudie och experiment genomförts.

Information about the risks involved shall be distributed to the people living in the area nearby to potentially dangerous installation. Swedish law stipulates strict requirements on what information should be supplied, but the law itself does not give any guidance on presentation. The main purpose of the study is to give recommendations on how to improve the information brochures. Within the study, eight people working with risk information have been interviewed and seven different risk information brochures have been studied. Also, a theoretical analysis and a practical experiment were performed using brochures from two municipalities.