Previous empirical research and anecdotal accounts suggest that “subclinical narcissism” or “average Joe’s narcissism” is one of the most prevalent social phenomena in many parts of the world. Research also suggests that there will be an unprecedented escalation “in average Joe narcissists” among future generations of consumers. The objective of this study is two-fold. The first objective of this study is to explore the moderating effect of the individual’s level of narcissistic personality on their word-of-mouth (WOM) communications. The second objective of this study is to explore the boundary conditions of the first objective. The data were collected from a large number of consumers through Amazon Mechanical Turk. The results support many of the hypotheses accordant with the characteristics of the subclinical narcissistic individual. Specifically, the moderating effect of an individual’s level of narcissistic personality trait on the decision to engage in different types of WOM communications varies across the tested contexts. This study is intended to respond to social scientists' recent call for studies that investigate the fundamental motives behind the individual’s propensity to engage in WOM communication as a function of individual characteristics. The results of this study provide some prescriptive guidance to help companies target appropriate consumers to increase the effectiveness of WOM communication. In addition, this study explores the effect of individual and contextual differences on consumers’ willingness to engage in different types of WOM communication.

This thesis analyses the factors influencing the purchase of vinyl records by the members of generation Y in Sweden. Two interviews with local stores owners as well as a survey were perfomed in this regard.

In order to meet our needs, consumer always believe that the more wild of selection, the better to choose the best of us. One such assumption is the regularity principle, which asserts that the addition of a new option to the choice set should not increase the probability of choosing any of the original options (Luce 1977). Clearly, both the attraction and compromise effects reflect an increase in the share of the target option after adding a third option. It implies that a new option added to a given set should take shares from existing options in proportion to their original shares. In fact, not all of the consumers react to these "third option" in the same level, because of the different personality traits , everyone have different thoughts even they get the same message. So, we want to know the impact of personality traits on compromise and attraction effects, and the intensity of those effects. We choose ¡§self-confidence¡¨, ¡§need for cognition¡¨, ¡§need for uniqueness¡¨, ¡§locus of control¡¨, and ¡§self-monitoring¡¨ to test the compromise and attraction effects, and we found that people with ¡§low need for uniqueness¡¨ had the strongest compromise effect; and with ¡§high need for cognition¡¨ had the strongest attraction effect. In addition, ¡§high self-confidence¡¨, ¡§high need for cognition¡¨, ¡§high need for uniqueness¡¨, and ¡§low self-monitoring¡¨ groups only exist attraction effect but compromise effect; ¡§low self-confidence¡¨, ¡§low need for cognition¡¨, ¡§low need for uniqueness¡¨ and ¡§high self-monitoring¡¨ groups react not only on attraction effect, but on compromise effect.

Dans cette thèse, nous défendons l'idée que la motivation à se distinguer d'autrui (et plus précisément, le besoin d'unicité) pourrait favoriser l'adoption et l'augmentation des croyances aux théories du complot. Cette relation s'expliquerait par le fait que les individus ayant un fort besoin d'unicité auraient davantage tendance à être attirés par ce qui rare ou inaccessible, et nous argumentons que c'est justement ce qui caractérise les récits conspirationnistes (e.g., impression de détenir des informations secrètes). Nous présenterons 12 études ayant pour but de tester empiriquement cette hypothèse.Parmi les principaux résultats, nous avons montré que les individus disposant d'un niveau de croyances aux théories du complot supérieur à la moyenne pensent avoir un niveau de croyances à ces théories supérieur à celui attribué aux autres (Etudes 4, 5 et 6), ce qui correspond à un prérequis nécessaire à la formulation de notre hypothèse. Nous avons ensuite mis en évidence que plus les personnes possèdent un fort besoin d'unicité, plus elles croient aux théories du complot (Etude 8). Conformément à notre hypothèse, nous avons également démontré que les personnes qui croient aux théories du complot ont plus tendance à penser détenir des informations rares et secrètes à propos de divers complots (Etude 9). Une méta-analyse conduite sur deux études testant le rôle causal du besoin d'unicité sur les croyances aux théories du complot (Etudes 11 et 12) suggère enfin qu'une hausse situationnelle du besoin d'unicité favoriserait la formation des croyances aux théories du complot.Dans l'ensemble, il semblerait donc que le besoin d'unicité intervienne dans l'adoption des croyances aux théories du complot, même si cet effet semble de taille relativement modeste. En conclusion, cette thèse fait partie des rares travaux soulignant le rôle des explications motivationnelles dans l'adhésion aux théories du complot. / In this thesis, we argue that the desire to be different from others (i.e., the need for uniqueness) would foster the adoption and increase of conspiracy beliefs. This relationship may be due to the fact that people with high need for uniqueness are more likely to be attracted by what is scarce and unavailable. We argue that scarcity and unavailability specifically characterizes conspiracy narratives (e.g., the conviction to hold secret information). We present 12 studies testing empirically this hypothesis.Among our main results, we show that people with high level of beliefs in conspiracy theories think that they have a higher level of beliefs in these theories compared to others (Studies 4, 5 and 6), that is a necessary prerequisite to our hypothesis. Then, we highlighted that people with a high need for uniqueness believe more in conspiracy theories (Study 8). According to our hypothesis, we also demonstrate that high believers in conspiracy theories are more likely to think that they possess secret information about various conspiracies (Study 9). A meta-analysis conducted on two studies testing the causal role of need for uniqueness on conspiracy beliefs (Studies 11 and 12) suggests that a situation in which need for uniqueness is enhanced increases people's conspiracy beliefs.Taken together, these studies suggest that the need for uniqueness plays a role in the endorsement of conspiracy theories, although the effect size seems relatively modest. To conclude, this thesis is one of the few works devoted to exploring the role of motivational explanations for conspiracy beliefs.

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While there have been numerous studies directed at addressing the female Generation Y cohort’s fashion consumption patterns, there is a dearth of published research focused on male consumer fashion conscious behaviour, especially not that of the African Generation Y (hereafter referred to as black Generation Y) males. There are global indications that contemporary males are engaging in fashion apparel shopping more frequently than ever before. Moreover, unlike past generations, today’s male consumers have become increasingly fashion aware and fashion conscious, taking care of their looks and developing their own fashion style. Born between 1986 and 2005, in 2013, black Generation Y individuals made up approximately 83 percent of South Africa’s total Generation Y cohort and 38 percent of the country’s 52 981 991 population. In 2013, black Generation Y males accounted for an estimated 42 percent of the South African population. As a consequence of its size, the black Generation Y male market segment represents a potentially lucrative and attractive market for apparel retailers and fashion marketers. Marketers are particularly interested in those individuals pursuing tertiary qualifications given that a higher education ultimately acts as a predictor of their higher future spending potential and an indication of their social standing and influence within a society. The aim of this study was to determine the causal relationships between black Generation Y male students’ need for uniqueness, fashion awareness, fashion consciousness and fashion conscious behaviour in order to model the determinants of black Generation Y male students fashion conscious behaviour. A self-administered questionnaire was administered on a single cross-sectional sample of 400 black Generation Y male students at three university campuses in the Gauteng province in 2013 – one from a comprehensive university, one from a university of technology and one from a traditional university. From the administered questionnaires, 213 were completed and returned as usable. The collected data was analysed by means of exploratory factor analysis, reliability and validity analysis, descriptive statistics and correlation analysis. In addition, structural equation modelling (SEM) was applied to test a proposed model derived from the literature. According to the results of the SEM analysis, black Generation Y males’ fashion awareness has a significant positive influence on their fashion consciousness, and their fashion consciousness has a significant positive influence on their fashion conscious behaviour. In terms of the dimensions of the need for uniqueness, unpopular choice has a significant positive influence on black Generation Y male students’ fashion awareness, whilst creative choice has a significant positive influence on their fashion consciousness, and avoidance of similarity has a direct significant positive influence on their fashion conscious behaviour. Furthermore, the findings suggest that their fashion consciousness is reliant on their fashion awareness, which in turn influences their fashion conscious behaviour. Findings from this study will aid marketers’ in better understanding black Generation Y male students’ fashion conscious behaviour. Furthermore, the recommendations provided suggest marketing strategy guidelines tailored at effectively targeting this market segment. / PhD (Marketing Management)--North-West University, Vaal Triangle Campus, 2015

While there have been numerous studies directed at addressing the female Generation Y cohort’s fashion consumption patterns, there is a dearth of published research focused on male consumer fashion conscious behaviour, especially not that of the African Generation Y (hereafter referred to as black Generation Y) males. There are global indications that contemporary males are engaging in fashion apparel shopping more frequently than ever before. Moreover, unlike past generations, today’s male consumers have become increasingly fashion aware and fashion conscious, taking care of their looks and developing their own fashion style. Born between 1986 and 2005, in 2013, black Generation Y individuals made up approximately 83 percent of South Africa’s total Generation Y cohort and 38 percent of the country’s 52 981 991 population. In 2013, black Generation Y males accounted for an estimated 42 percent of the South African population. As a consequence of its size, the black Generation Y male market segment represents a potentially lucrative and attractive market for apparel retailers and fashion marketers. Marketers are particularly interested in those individuals pursuing tertiary qualifications given that a higher education ultimately acts as a predictor of their higher future spending potential and an indication of their social standing and influence within a society. The aim of this study was to determine the causal relationships between black Generation Y male students’ need for uniqueness, fashion awareness, fashion consciousness and fashion conscious behaviour in order to model the determinants of black Generation Y male students fashion conscious behaviour. A self-administered questionnaire was administered on a single cross-sectional sample of 400 black Generation Y male students at three university campuses in the Gauteng province in 2013 – one from a comprehensive university, one from a university of technology and one from a traditional university. From the administered questionnaires, 213 were completed and returned as usable. The collected data was analysed by means of exploratory factor analysis, reliability and validity analysis, descriptive statistics and correlation analysis. In addition, structural equation modelling (SEM) was applied to test a proposed model derived from the literature. According to the results of the SEM analysis, black Generation Y males’ fashion awareness has a significant positive influence on their fashion consciousness, and their fashion consciousness has a significant positive influence on their fashion conscious behaviour. In terms of the dimensions of the need for uniqueness, unpopular choice has a significant positive influence on black Generation Y male students’ fashion awareness, whilst creative choice has a significant positive influence on their fashion consciousness, and avoidance of similarity has a direct significant positive influence on their fashion conscious behaviour. Furthermore, the findings suggest that their fashion consciousness is reliant on their fashion awareness, which in turn influences their fashion conscious behaviour. Findings from this study will aid marketers’ in better understanding black Generation Y male students’ fashion conscious behaviour. Furthermore, the recommendations provided suggest marketing strategy guidelines tailored at effectively targeting this market segment. / PhD (Marketing Management)--North-West University, Vaal Triangle Campus, 2015

This three-essay dissertation extends previous research on social influence and examines social influence’s impact on consumption, particularly in the contexts of collective goals and brand preferences. Essay 1 focuses on collective marketing campaigns, which are not shared equally by all customers. Two studies demonstrate that the framing of collective progress in such campaigns can broaden participation by highlighting the large area of progress toward the goal, emphasizing progress achieved for campaigns in their late stages and progress remaining in their early stages. Essay 2 examines the effects of brand age on consumer preferences and choices. Six studies demonstrate that consumers’ preferences for younger brands increase with perceptions of product category innovativeness or the extent to which the product category is perceived to have evolved and is likely to evolve in the future. Findings reveal that younger (vs. established) brands are likely to be preferred when perceptions of product category innovativeness are high (vs. low). Essay 3 examines the effects of perceptions of product category innovativeness and consumer traits, such as novelty seeking and need for uniqueness, on consumers’ preference for young versus established brands. This dissertation provides theoretical and managerial contributions. / Business Administration/Marketing

The full text will be available at the end of the embargo: 10th April 2027

Given unprecedented shifts in the U.S. demography marked by rapid growth in Hispanic, Asian and other ethnic market segments, marketing scholars and practitioners are confronting ways to cultivate ethnic consumers' brand preference formation, retail patronage and their ensuring consumption choices. Food is cited as a common signifier for consumers’ ethnic/cultural identity because food itself is a cultural symbol. However, little research has examined the influences of ethnic identities on consumers’ patronage behaviors of ethnic-themed restaurants. Thus, this dissertation critically explores the impact of ethnic identity and motivational factors to better understand consumers' choices of ethnic-themed restaurants with a mix-method approach. The present research investigates how ethnic identity and consumers’ need for uniqueness interplay with perceived authenticity in consumers’ patronage intention of ethnic-themed restaurants. The findings advocate the interplay among ethnic identity, consumers’ need for uniqueness, and perceived authenticity of general consumers in decision making choices of patronizing ethnic-themed restaurants. The findings have important implications for market segmentation guiding the owners of ethnic-themed restaurant the choice of environmental cues to encourage patronage intentions among general consumers. Furthermore, this study provides additional insights about motivating factors affecting decision making of patronizing ethnic-themed restaurants and contributes to the stream of research by enhancing understanding of marketing ethnic-themed restaurant in a multi-cultural society.