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14305 Uppsatser om Difference- in- difference analys - Sida 51 av 954
Effekten av olika andelar grovfoder och kraftfoder i foderstaten på mjölkproduktion, välfärd och hälsa hos mjölkkor
Dairy cows transform grass to milk with help from ruminal microorganisms that can digest indigestible fiber in their feed. The digestive system of the cow is adapted to a diet consisting of forage and disorders like acidosis, laminitis and abomasal displacement can occur if the feed contains too much starch. To achieve the highest production possible the cow has to be given a high amount of concentrate or grain as the difference in milk yield is significant, approximately 1000 kg energy corrected milk per cow and year between conventional and organic cows that are fed a lower versus a higher share of forage. If the cow shall be able to eat the same amount of energy from forage as from grain or concentrate the eating- and rumination time gets longer and she might not be able to eat enough, which will result in a lower milk yield and will make it harder for the cow to recover from the negative energy balance that originate from the beginning of the lactation. Fat and in a sense protein content differs also depending on if the cow is given a high or low share of forage..
Word of Nextopia - en djupare förståelse av Nextopia och hur det påverkar Word of mouth
The purpose of this study is to further develop the understanding of Nextopia, the belief that the next product will always be better, and the effects it has on Word of mouth, both oral (WOM) and electronic (eWOM), and investigate possible causes of this effect. This has been made through an experimental study of responses to two mineral water ads, with a manipulated time frame. First, this thesis supports the fact that there is a general Nextopia-effect on customers being exposed to a future product, which makes them evaluating the product higher in terms of feelings, attitude and intention. Further this study shows that there is also a Nextopia-effect on WOM and eWOM, by customers being more likely to recommend a future product rather than a current one. This propensity to recommend the product also has a relationship with responsibility, which correlates much stronger with WOM than eWOM.
Framväxten av en svensk biblioteksersättning
erspective [80][upps-01.gif] This is a thesis on the Swedish Public Lending Right PLR, from a historical perspective. Some of the questions which are investigated in this thesis are: why did the State decide to introduce a PLR and why did it take about 20 years to make the decision? The question why the PLR was not introduced on a copyright basis is also discussed. The focus of this study is during the period of 1934-1956 and it is a literature-study. Mainly there are four reports made by different committees that have been examined.
Feromoninnehållande substansers inverkan på hjärtfrekvensen hos tjur :
During the last 50 years the production of milk per cow has increased. This has, however, been followed by a decreased reproductive performance. Shorter and more indistinct signs of oestrus make it harder for the Swedish farmers to discover when the cows are in oestrus. There is a need for ways to control reproduction. The use of pheromones could possibly provide means to satisfy this need.
A First Effort to Visualize Knowledge of a Region? A visualization of Öresund & Shenzhen in the perspective of Knowledge Innovation Zone
We have through our theoretical framework been able to create a simplified measuring tool for a KIZ; the S-TKL. We have found that the S-TKL is possible to implement on the Öresund Region but with some flaws. Even though the Öresund Region has implemented the mindset of a KIZ, accurate statistics are in some areas hard to find. We can also through our empirical findings say that it is difficult to use the S-TKL on Shenzhen. The data we have found gives a good indication of both of the regions.
Pedagogiskt ledarskap en utopi!? : en studie i pedagogisk ledarskap utifrån två olika organisationsformer
This work is a study of how the principal's educational leadership designs in two different forms of organization. I have chosen to do a comparative study between how two headmasters identify educational leadership, and to what level they feel they can act as educational leaders in their school. The comparison is made between two educational organizations, and two principals? image, one in Sweden and one in New Zealand. I have chosen interview as method and I have only two respondents on the grounds that is the person's unique perception I want to bring into focus.
Nominalfrasers inverkan på återvinningseffektiviteten i ett probabilistiskt IR-system
The purpose of this study is to examine the difference between three query strategies with respect to retrieval effectiveness. The thesis aims at examining how two types of noun phrases containing a modifier to the head word, which is a noun affect the retrieval performance with regard to recall and precision. The noun phrases in the thesis are of two types: 1) noun phrases containing a modifier to the head word (which is a noun) and which are not dictionary phrases (NF) and 2) dictionary phrases. Both types of noun phrases in this thesis contain at least two words. The queries were executed in Query Performance Analyser, QPA, containing the InQuery system and a sub collection of TREC-Uta documents with its topics.
Rektor, pedagogers och elevers inställning till internet i fritidshemmet : En enkätundersökning om rektor, pedagogers och elevers inställning till internet i fritidshemmet
The purpose of this examination is to get a view of the attitude towards internet-use within after school centers. By comparing the views of pupils with the teacher?s point of view, one can notice differences that may be due to a lack of knowledge or communication. The questions are: What view does the principal, the staff, and the pupils have on internet-use in after school centers? Does their view differ? If so, how? To be able to respond to these questions, the pupils and the staff have been handed surveys and the principal has been interviewed.
Social fildelning på arbetsplatsen : Traditionell och social fildelning
This paper describes how files and information can be shared in organisations and workplaces. We studied and compared the traditional file sharing in Microsoft Active Directory and the Social file sharing that comes with Microsoft SharePoint Sites. We used qualitative studies based on interviews with system administrators, management and by our own observations to acquire the necessary data. Using independent research, we were able to analyze the data and show the general difference between the traditional and the social file sharing systems. Social file sharing enables the user to easily store and share files in a flexible online environment.
Tankar kring informationssökning: hur ser uppsatsstudenter på BHS på sin egen informationssökning?
The purpose of this thesis is to investigate how students writing their master thesis seek information, how they reason about their information seeking behaviour and how their studies in LIS could have affected their information seeking behaviour. The result was analysed with Roger Säljö?s theory about the sociocultural perspective about how individuals learn in relation to their context and the social practice that they act in. The following conclusions were drawn from analysing the result. The students didn?t really reflect over their information seeking behaviour.
Expansion av sökfrågor med Svenskt OrdNät som termkälla
The purpose of this Masters thesis is to examine the performance of queries that are expanded by synonyms and hyponyms from Svenskt OrdNät, the Swedish version of the Princeton WordNet. Four different types of queries were constructed: a baseline query S1, the baseline query expanded with synonyms S2, the baseline query expanded with hyponyms S3 and finally the baseline query expanded with the synonyms and hyponyms used in S2 and S3. The terms for expansion were picked by hand. The queries were executed in the Query Performance Analyser QPA, a tool used in IR education and in experimental IR research for analysing and comparing the performance of individual queries. 20 topics from the test collection GP_HDINF were chosen for the experiment.
Perspektiv på läsning : En högstadielärare och sex av hans elever om skönlitteratur i svenskämnet
This essay is about literature instruction in the last three years of Sweden?s compulsory school from one teacher?s and six of his pupils? perspective. The research is analysed from a socio-cultural perspective on learning and literature reception.The empiric material is based on interviews with the teacher and six of his students.The research shows that there is a difference between what the pupils read on their spare time and what they read during Swedish instruction. It also shows that the pupils wants literature full of action where descriptions of people and the setting don?t slow down the reading experience.The teacher is successful in finding literature the pupils appreciate but sees the value of literature on another level ? in the processing of the reading experience.
En retorisk provokation : Om förolämpningar, satir och karikatyrer
When is it acceptable to make fun of religion, and when does it become disrespectful? On January 7, 2015, the headquarters of the French satirical news paper Charlie Hebdo was subjected to a terrorist attack that claimed the lives of 12 staff members, due to the publishing of caricatures picturing the prophet Muhammed. The reactions that followed the attack circled around two perspectives; the importance of freedom of expression and the obligation to show respect for certain institutions and traditions in society. How come the caricatures can elicit such completely different reactions? This is the question that this thesis uses as a starting point for the examination of the subject caricatures and satire.
Socialt arv i en postmodern värld : En studie om gymnasieelevers syn och uppfattning av eftergymnasiala studier
The purpose of this paper is to examine how four teachers treats and teaches aboutxenophobia and right-wing extremism. A further aim of this study is to investigate whetherthere are any differences in how a teacher at a vocational high school treat and teachabout xenophobia and right-wing extremism against the teacher at a preparatory school, theydo. To achieve my purpose I have used qualitative interviews of semi-structuredform.These interviews were done with two social studies teacher at a vocational high schooland two social studies teacher at a preparatory school.My results show that teachers all too often respond to xenophobic views directly into theclassroom by reasoning and discussions with students. In my resault is also evident thatthere is a big difference between the teachers at the schools how much time you devoteto xenophobia and right-wing extremism in teaching.The conclusions show that these differences largely depend on which group of students thatteachers have.The conclusions will also be that there are great similarities between the way teachers reasonabout how to deal with xenophobia and the means to do, they also are relatively similar..
Äggstockens normala storlek och struktur hos tik :
There are only a few published studies on the normal variation in ovary size in bitches. All of the previous studies have been made on the beagle breed. This study was performed on indian street dogs with the objective to measure ovaries and structures in the ovaries after ovariehysterectomy to decide if smaller dogs have smaller ovaries and how small and big they can be in the normal dog. The structures (follicle and corpus luteum) where also measured to get a maximum size for normal structures in the bitch. This information can be valuable when examining the ovaries of the bitch with ulstrasound.