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4044 Uppsatser om Hypothesis testing and t-test - Sida 23 av 270
Utvärdering av Mock Objekt Bibliotek : ur ett interaktionsbaserat perspektiv
Att skriva enhetstester är en viktig del i nya populära systemutvecklingsmetoder som extreme programming. Med testdriven utveckling skriver man testerna innan den källkod som skall testas. Ett vanligt problem med dessa tester är att de blir beroende av delar i systemet som inte är intressant för själva testen. Mock objekt är en teknik som gör det enkelt att isolera tester från allt som inte är relaterat till det som skall testas.Det finns två sätt att se på mock objekt. Den traditionella synen är att mock objekt skall användas som ett verktyg vid isolering av externa system.
Wii Sports och Sport : En jämförelse av fysiska och emotionella skillnader och likheter i träningsspel jämfört med riktig träning
AimThe purpose of this study is to compare the level of activity between playing wii Sports Tennis and wii Sports boxing, and the usual sports, and to see how the two variants are perceived.Issues:- How much strain ratio and energy consumption it gives to exercise wii sports compared with the playing of sport for real?- How do the test participants experience the different tests?- How are the two wii sports games against each other in terms of activity and fitness in the school environment?MethodThis is an experimental study in which 10 test participants (5 men and 5 women) have carried out four different physical tests. The tests consisted of either playing an exergame or playing a sport for 25 minutes. Physical activity was measured during the test using a heart rate monitor. All test participants completed all tests in the same order.
Test av spädbarns nyhetspreferens med ögonrörelsemätare
Fagan Test of Infant Intelligence (Ftii) är ett parjämförelsetest som mäter spädbarns intresse för ett nytt visuellt stimuli när detta presenteras tillsammans med ett stimuli redan känt för spädbarnet, kallat nyhetspreferens. Även om Ftii har visat sig fungera väl vid bedömning av spädbarns kognitiva nivå kan testet förbättras på ett antal punkter. För att uppnå reliabla resultat har försökspersonerna ofta testats vid ett flertal tillfällen. För att undersöka möjligheterna att ytterligare validera erhållna resultat från Ftii har en version av Ftii skapats för att utföras med en ögonrörelsemätare. Denna version, kallad Ftii-Ö, har testats med hjälp av en spädbarnsgrupp och en vuxengrupp för att på så sätt utvärdera för och nackdelar med ett test utfört på ögonrörelsemätare.
Med minskad komplexitet får ett system ökad användbarhet Fallstudie av användbarhet i ett affärssystem
One of our reasons is that we think the subject usability is interesting, is that we think it is an important. Usability is maybe the most important element when you develop or choose a system because it can save money for the companies and give the users a more delightful and better work environment. The aim of the investigation is to find out if the implementation of a web portal is a direction to reach higher usability in a complex system that consists of several different interacting applications. The objective of our investigation is to show if the implementation of a web portal is a direction to reach higher usability in a complex system that consists of several different interacting applications. In our case we will try to see if Karlshamns AB:s recently implemented web portal is more useful than their previous application (Movex with interacting programs) One thought with the report is to give the system developers a perspective of how the usability can be in-house made applications versus standard applications.
Funktionell och aerob träning för U16 ishockeyspelare
The aim of this study was to examine if it was possible to improve fitness and strength in young ice hockey players with help of a training programme based on functional training and aerobic training. The training programme was performed on Halmstad Hockey U-16 team where 17 boys participated in the study. We performed the training in a period of sex weeks with three training occasions each week. These consisted of two functional training sessions and one fitness session. In the beginning we emphasized the importance of a correct performance and technique.
Utveckling av processparametrar inom en hårdmetallindustri
This report analyzes and examines a hypothesis for finding a method to optimize thelength of the delubrication process time based on a total charge weight. The work hasfocused on the holding time for delubrication and the total charge weight.An important step in the manufacturing chain of cutting tools is when the greenbodies undergo the sintering process. Today, the delubrication step has the sameprocess time independent of the total charge weight. An implementation of a methodto adjust the delubrication process time would give more consistent quality of thecutting tool´s internal characteristics but also reduce the time course of the sinteringprocess. In the present project two methods for this goal were tested, thedevelopment of an algorithm and a weight interval subdivision with associateddelubrication process times.During delubrication a pressure increase is observed due to the decomposition of thePEG in the powder mixture.
Från nykonservatism till socialliberalism? En förändringsstudie av Moderata Samlingspartiet
AbstractThis thesis discusses ideological and rhetorical change of the Moderate Party of Sweden. The aim of the thesis has been to study the party during a time-span of almost 20 years, trying to identify changes related to each of the three party leaders.A hypothesis was developed, suggesting that the three party leaders each represented a different kind of ideology namely neo-conservatism, neo-liberalism and social liberalism. By studying newspaper articles and protocols from the Swedish Parliament, riksdagen, I was able to verify the hypothesis in all but the first party leader, Carl Bildt. It was showed that his ideology had more in common with New Right than with neo-liberalism.After identifying these changes I looked for explanations within Party Strategy Theory and Social Change Theory. My conclusions were that the changes could be understood by the great loss of voters in the election of 2002 and that agents within the Moderate Party acted upon the ambition to win new and old voters to the party, thereby recognizing the need for change.Keywords: Ideological Change, Rhetorical Change, The Moderate Party,Neo-Liberalism, Neo-Conservatism, Social Liberalism..
Ugnet - Provugnsstyrning med LabVIEW
This report contains a programming improvement work in a LabVIEW? fire testing furnace control system for SP Fire Technology in Borås. Here materials and products behaviour are tested and evaluated, being exposed to fire. For this task, UGNET is being used for control and surveillance of the testing furnace system. System hardware has been updated gradually through the years, while the software has been neglected.
KONSTRUKTION AV AUTOMATISERAD SKYDDSANORDNING FÖR ABB / JOKAB SAFTEYS STAKETSYSTEM
This thesis is basically a design project aimed to find a safe and reliable automatic safety device, which is designed to be suitable for highly automated industrial situations. This device fits with ABB / Jokab Safety?s fence systems. These are built up around machines to create safety distances. The automatic protection device assist the operator in situations when loading or going in and out of the danger zone.
Syntetiska Instrument
This thesis aims to investigate SAAB AB´s possibilities to use synthetic instruments in their test systems. The reason for this is reducing costs and the risk of obsolescence which is common when test systems operate for several decades.The market around synthetic instruments has been explored in the search for suitable hardware and software. Software has been developed in LabVIEW and synthetic instruments have been created with the help of IVI-drivers. The hardware consisted of PXI-instruments (Waveform generator and Digitizer), connected to a computer using a fiber optic link and PXI-chassi. The created instruments was then compared to common instruments used today, and the comparison turned out well.
Nåbarhetstestning i en baneditor : En undersökning i hur nåbarhetstester kan implementeras i en baneditor samt funktionens potential i att ersätta manuell testning
Denna studie undersöker om det är möjligt att införa nåbarhetstestning i en baneditor. Testets syfte är att ersätta manuell testing, det vill säga att bankonstruktören inte ska behöva spela igenom banan för att säkerställa att denne kommer kunna nå alla nåbara positioner.För att kunna utföra studien skapas en enkel baneditor som testplattform. Vidare utförs en jämförande studie av flera alternativa algoritmer för att fastställa vilken som är mest passande för nåbarhetstestning i en baneditor.Resultatet från den jämförande studien visade att A* (A star) var den mest passande algoritmen för funktionen. Huruvida automatisk testning kan ersätta manuell testning är diskutabelt, men resultatet pekar på en ökad effektivitet i tid när det kommer till banbygge..
Inkluderande ?garskap i varierande demokratiska kontexter: En j?mf?rande fallstudie av svenskt utvecklingssamarbete med Rwanda och Tanzania
This thesis investigates how recipient countries' domestic type of democracy affects its
inclusive ownership in international development cooperation. This is done by examining
Swedish development cooperation with Rwanda and Tanzania during the period from 2010 to
2014, a time when ownership - a concept which emphasizes recipient countries' leadership
over its own development - was a central part of the international development agenda. The
two cases were selected through a most similar case design where the value of potential
explanatory variables was similar, except for the recipient countries' types of democracy.
Furthermore, the case study uses a comparative analysis to analyze strategies and reports
done by SIDA and the Swedish Ministry of Foreign Affairs. Previous research focuses on the
exclusion that national ownership can result in, in undemocratic national contexts. The main
argument for this should be seen as the fact that ownership can not be representative if the
power of the recipient's development agenda is limited to a decision-making elite.
Produktionsplanering av tvättmaskiner
Most major companies today have a visual identity. It answers questions like: which font do I use? and when can I use the logo or not? Westinghouse Nuclear Fuel in Västerås have a visual identity but no guidelines for the employees to follow. Further-more, rollups and rollup handouts produced by Westinghouse are not mentioned in the visual identity. ?erefore the external information from Westinghouse is someti-mes, both by employees and customers, perceived as not uniform.
Indexeffekten : En studie gjord på Nasdaq OMXS30 och OMXH25
AbstractMaster thesis in Business Administration, School of Business and Economics at Linneaus UniversityAuthors: Patrik Larsson and Pontus GislénSupervisor: Håkan LockingExaminer: Sven-Olof CollinTitle: The index effect- a study on Nasdaq OMXS30 and OMXH25Introduction: A significant part of the financial literature is based on the Efficient Market Hypothesis which assumes that prices in the market reflects all available information. Anomalies, such as the index effect, indicate weaknesses in this theory as it has been proved that it is possible to outperform the market using public information. Hence, the index effect can be linked to market efficiency which makes it interesting to study from a theoretical perspective. The mapping of the index effect is also interesting from a practical perspective, as it leads to a better understanding of whether investors and firms should take this anomaly into account.Problem: Is there an index effect, how does it behave and what can explain this effect?Purpose: The aim of this study is to investigate the index effect.
Prevalens av Chlamydophila psittaci hos papegojor i fångenskap
Chlamydophila psittaci is a common cause of diseases in parrots ranging from being less serious to more serious. It is also a zoonotic disease which poses serious health problems to humans. The disease is highly under diagnosed. The symptoms in birds are nonspecific and may be indicative of many different diseases which make it harder to diagnose and treat. The purpose of this study was to investigate the prevalence of C.