Abstract Background: The packaging design of a product, primarily the design element colour, affects purchase intention extensively. This has been stated in prior studies. However, whether colour has the same effect in the Swedish market has not been researched. Furthermore, there has been limited research on the difference between the genders' perception of gendered colours on product packaging and colours' effect on purchase intention in the Cosmetics and Personal care industry. Therefore, these elements are the focus of this research.   Purpose: This research aims to evaluate the effect of product packaging colour on Swedish residents' purchase intention in the Cosmetics and Personal Care industry. Furthermore, the relationship between gendered colours on product packaging and purchase intention will be analysed, comparing females and males.   Method: This study is deductive research, and it is based on a positivism paradigm. It uses a quantitative approach of gathering data through an online questionnaire. The sample consisted of 194 Swedish residents gathered through convenience sampling. Moreover, the data was analysed using Cronbach alpha coefficient, Spearman's rank correlation coefficient and Ordered logistic regression to test the hypotheses.    Findings: The theoretical framework identified a research gap concerning the impact of product packaging colours on purchase intention and how gender-specific packaging colours affect males and females differently. Based on the existing literature, five hypotheses were formulated. The findings confirmed that product packaging colours for all Swedish residents, had a significant positive influence on purchase intention, leading to the acceptance of H1. Moreover, both males and females demonstrated a significant positive effect on purchase intention when exposed to packaging colours associated with their respective genders, resulting in the acceptance of H2 and H4. However, both genders demonstrated a non-significant effect on purchase intention when exposed to packaging colours associated with the opposite gender, leading to the rejection of H3 and H5.   Conclusion: The results show that product packaging colour has a positive effect on purchase intention among Swedish residents. Moreover, it shows that the Gender Schema theory is still relevant in today's society, which shows contribution to theory. Further, marketers should continue to use gendered colours in their product packaging.

Syftet var att undersöka elevers fysiska och psykiska våld mot lärare utifrån personliga attribut hos lärarna samt om förekomst av våld kan förknippas med negativa emotionella konsekvenser. En enkät besvarades av 246 lärare (M = 46 år, SD = 10,50) och resultaten visade att lärarna upplevde att psykiskt våld förekom i högre utsträckning än fysiskt våld. Resultaten visade även att ju mer bristande auktoritet och klassrumshantering som lärarna uppvisade, desto mer frekvent upplevde de fysiskt och psykiskt våld. Vidare visade resultaten att ju mindre hjälpsam och uppskattad lärarna var av eleverna desto mer frekvent upplevde de det fysiska våldet. Ju mer lärarna hade hört talas om psykiskt våld visades även påverka lärarnas otrygghet, bristande engagemang och nedstämdhet. Sambandet mellan fysiskt våld och de tre kategorierna av konsekvenserna försvann när det även kontrollerades för kön och psykiskt våld. De olika kategorierna av konsekvenser visades även korrelera med varandra vilket innebar att när den ena kategorin ökade, ökade även de andra två. Sammanfattningsvis är det viktigt att även ta hänsyn till de lärare som enbart hör talas om våldsamma händelser eftersom de också upplever negativa konsekvenser av våldet. / The aim was to examine students´ physical and psychological violence against teachers based on personal attributes of the teacher and whether the occurrence of violence can be associated with negative emotional consequences. A questionnaire was answered by 246 teachers (M = 46years, SD = 10,50) and the results showed that the teachers experienced that the psychological violence was more frequent than the physical violence. The results also showed that the more lacking authority and classroom techniques the teachers inhibited, the more frequent they perceived the physical and psychological violence. Further, the less helpful and appreciated the teachers was perceived by the students, the more frequent they perceived the physical violence. How they perceived the violence was also shown to influence the teacher’s safety, lacking commitment and depression. The correlation between physical violence and the three categories of consequences disappeared when gender and psychological violence was controlled for. The three categories of consequences also correlated with each other which means that if one of the categories increased, so did the other two. In summary, it is important to also consider the teachers who only hear about violent events since they also suffer consequences from it.

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This thesis extends a localisation theory for finite algebras to certain classes of infinite structures. Based on ideas and constructions originally stemming from Tame Congruence Theory, algebras are studied via local restrictions of their relational counterpart (Relational Structure Theory). In this respect, first those subsets are identified that are suitable for such a localisation process, i. e. that are compatible with the relational clone structure of the counterpart of an algebra. It is then studied which properties of the global algebra can be transferred to its localisations, called neighbourhoods. Thereafter, it is discussed how this process can be reversed, leading to the concept of covers. These are collections of neighbourhoods that allow information retrieval about the global structure from knowledge about the local restrictions. Subsequently, covers are characterised in terms of a decomposition equation, and connections to categorical equivalences of algebras are explored. In the second half of the thesis, a refinement concept for covers is introduced in order to find optimal, non-refinable covers, eventually leading to practical algorithms for their determination. Finally, the text establishes further theoretical foundations, e. g. several irreducibility notions, in order to ensure existence of non-refinable covers via an intrinsic characterisation, and to prove under some conditions that they are uniquely determined in a canonical sense. At last, the applicability of the developed techniques is demonstrated using two clear expository examples. / Diese Dissertation erweitert eine Lokalisierungstheorie für endliche Algebren auf gewisse Klassen unendlicher Strukturen. Basierend auf Ideen und Konstruktionen, die ursprünglich der Tame Congruence Theory entstammen, werden Algebren über lokale Einschränkungen ihres relationalen Gegenstücks untersucht (Relationale Strukturtheorie). In diesem Zusammenhang werden zunächst diejenigen Teilmengen identifiziert, welche für einen solchen Lokalisierungsprozeß geeignet sind, d. h., die mit der Relationenklonstruktur auf dem Gegenstück einer Algebra kompatibel sind. Es wird dann untersucht, welche Eigenschaften der globalen Algebra auf ihre Lokalisierungen, genannt Umgebungen, übertragen werden können. Nachfolgend wird diskutiert, wie dieser Vorgang umgekehrt werden kann, was zum Begriff der Überdeckungen führt. Dies sind Systeme von Umgebungen, welche die Rückgewinnung von Informationen über die globale Struktur aus Kenntnis ihrer lokalen Einschränkungen erlauben. Sodann werden Überdeckungen durch eine Zerlegungsgleichung charakterisiert und Bezüge zu kategoriellen Äquivalenzen von Algebren hergestellt. In der zweiten Hälfte der Arbeit wird ein Verfeinerungsbegriff für Überdeckungen eingeführt, um optimale, nichtverfeinerbare Überdeckungen zu finden, was letztlich zu praktischen Algorithmen zu ihrer Bestimmung führt. Schließlich erarbeitet der Text weitere theoretische Grundlagen, beispielsweise mehrere Irreduzibilitätsbegriffe, um die Existenz nichtverfeinerbarer Überdeckungen vermöge einer intrinsischen Charakterisierung sicherzustellen und, unter gewissen Bedingungen, zu beweisen, daß sie in kanonischer Weise eindeutig bestimmt sind. Schlußendlich wird die Anwendbarkeit der entwickelten Methoden an zwei übersichtlichen Beispielen demonstriert.

This thesis extends a localisation theory for finite algebras to certain classes of infinite structures. Based on ideas and constructions originally stemming from Tame Congruence Theory, algebras are studied via local restrictions of their relational counterpart (Relational Structure Theory). In this respect, first those subsets are identified that are suitable for such a localisation process, i. e. that are compatible with the relational clone structure of the counterpart of an algebra. It is then studied which properties of the global algebra can be transferred to its localisations, called neighbourhoods. Thereafter, it is discussed how this process can be reversed, leading to the concept of covers. These are collections of neighbourhoods that allow information retrieval about the global structure from knowledge about the local restrictions. Subsequently, covers are characterised in terms of a decomposition equation, and connections to categorical equivalences of algebras are explored. In the second half of the thesis, a refinement concept for covers is introduced in order to find optimal, non-refinable covers, eventually leading to practical algorithms for their determination. Finally, the text establishes further theoretical foundations, e. g. several irreducibility notions, in order to ensure existence of non-refinable covers via an intrinsic characterisation, and to prove under some conditions that they are uniquely determined in a canonical sense. At last, the applicability of the developed techniques is demonstrated using two clear expository examples.:1 Introduction 2 Preliminaries and Notation 2.1 Functions, operations and relations 2.2 Algebras and relational structures 2.3 Clones 3 Relational Structure Theory 3.1 Finding suitable subsets for localisation 3.2 Neighbourhoods 3.3 The restricted algebra A|U 3.4 Covers 3.5 Refinement 3.6 Irreducibility notions 3.7 Intrinsic description of non-refinable covers 3.8 Elaborated example 4 Problems and Prospects for Future Research Acknowledgements Index of Notation Index of Terms Bibliography / Diese Dissertation erweitert eine Lokalisierungstheorie für endliche Algebren auf gewisse Klassen unendlicher Strukturen. Basierend auf Ideen und Konstruktionen, die ursprünglich der Tame Congruence Theory entstammen, werden Algebren über lokale Einschränkungen ihres relationalen Gegenstücks untersucht (Relationale Strukturtheorie). In diesem Zusammenhang werden zunächst diejenigen Teilmengen identifiziert, welche für einen solchen Lokalisierungsprozeß geeignet sind, d. h., die mit der Relationenklonstruktur auf dem Gegenstück einer Algebra kompatibel sind. Es wird dann untersucht, welche Eigenschaften der globalen Algebra auf ihre Lokalisierungen, genannt Umgebungen, übertragen werden können. Nachfolgend wird diskutiert, wie dieser Vorgang umgekehrt werden kann, was zum Begriff der Überdeckungen führt. Dies sind Systeme von Umgebungen, welche die Rückgewinnung von Informationen über die globale Struktur aus Kenntnis ihrer lokalen Einschränkungen erlauben. Sodann werden Überdeckungen durch eine Zerlegungsgleichung charakterisiert und Bezüge zu kategoriellen Äquivalenzen von Algebren hergestellt. In der zweiten Hälfte der Arbeit wird ein Verfeinerungsbegriff für Überdeckungen eingeführt, um optimale, nichtverfeinerbare Überdeckungen zu finden, was letztlich zu praktischen Algorithmen zu ihrer Bestimmung führt. Schließlich erarbeitet der Text weitere theoretische Grundlagen, beispielsweise mehrere Irreduzibilitätsbegriffe, um die Existenz nichtverfeinerbarer Überdeckungen vermöge einer intrinsischen Charakterisierung sicherzustellen und, unter gewissen Bedingungen, zu beweisen, daß sie in kanonischer Weise eindeutig bestimmt sind. Schlußendlich wird die Anwendbarkeit der entwickelten Methoden an zwei übersichtlichen Beispielen demonstriert.:1 Introduction 2 Preliminaries and Notation 2.1 Functions, operations and relations 2.2 Algebras and relational structures 2.3 Clones 3 Relational Structure Theory 3.1 Finding suitable subsets for localisation 3.2 Neighbourhoods 3.3 The restricted algebra A|U 3.4 Covers 3.5 Refinement 3.6 Irreducibility notions 3.7 Intrinsic description of non-refinable covers 3.8 Elaborated example 4 Problems and Prospects for Future Research Acknowledgements Index of Notation Index of Terms Bibliography