The prevalence of overweight and obesity is on the rise. Being overweight or obese is associated with serious medical, psychological, and social consequences. The main social consequence of being overweight or obese is stigma, which is detrimental to overweight and obese people. Three types of obesity stigma reduction interventions have been proposed and tested: changing attributions, increasing empathy, and social consensus. The purpose of this study was to compare the effectiveness of these interventions and to determine the effectiveness of an intervention that incorporates major elements of the three interventions. Three hundred eighty one University of Manitoba undergraduate students participated in this study. They were randomly assigned to one of five intervention groups: status quo group, changing attributions group, increasing empathy group, social consensus group, and multi-level intervention group. The interventions involved presenting participants with information intended to influence participants’ perceptions of overweight and obese individuals. Pre-test and post-test ratings were obtained on participants’ attributions about weight, feelings about obese people, and endorsement of positive and negative stereotypes of obese people. Analyses of these ratings revealed that the empathy and multi-level interventions are the only interventions that improved attributions, feelings, and endorsement of stereotypes, and this suggests that the multi-level and empathy interventions were the most powerful. On the other hand, the attribution intervention had the largest overall effect and affected attributions, feelings, and negative stereotypes. Therefore, there are reasons to believe that the attribution intervention was the most powerful in this study. Participants were subsequently asked to rate a target overweight person. Half of all participants were informed that the target was overweight because of medical reasons, while the other half were informed that the target was overweight because of regular overeating and a sedentary lifestyle. Surprisingly, the intervention groups did not significantly differ in target ratings on any variable. Reasons for this lack of effect are discussed. A main effect did occur in the ratings of the target for controllability information. Specifically, participants who were informed that the target was overweight for uncontrollable reasons (e.g., glandular disorder) reported more favorable ratings in liking her and not blaming her, as compared to participants who were informed that the target was overweight for controllable reasons (e.g., regular overeating and sedentary lifestyle). Ratings of the target’s characteristics and physical attractiveness did not change with this manipulation. Overall, this study provided logical and consistent results, while adding specific information to the literature. Further, this study offered a new, effective intervention for obesity stigma reduction, as well as providing some support for the empathy and attribution interventions. These three interventions proved to be the strongest in this study, and perhaps they will one day be used as part of a more global intervention to reduce stigma and discrimination toward overweight and obese people. / October 2008

The prevalence of overweight and obesity is on the rise. Being overweight or obese is associated with serious medical, psychological, and social consequences. The main social consequence of being overweight or obese is stigma, which is detrimental to overweight and obese people. Three types of obesity stigma reduction interventions have been proposed and tested: changing attributions, increasing empathy, and social consensus. The purpose of this study was to compare the effectiveness of these interventions and to determine the effectiveness of an intervention that incorporates major elements of the three interventions. Three hundred eighty one University of Manitoba undergraduate students participated in this study. They were randomly assigned to one of five intervention groups: status quo group, changing attributions group, increasing empathy group, social consensus group, and multi-level intervention group. The interventions involved presenting participants with information intended to influence participants’ perceptions of overweight and obese individuals. Pre-test and post-test ratings were obtained on participants’ attributions about weight, feelings about obese people, and endorsement of positive and negative stereotypes of obese people. Analyses of these ratings revealed that the empathy and multi-level interventions are the only interventions that improved attributions, feelings, and endorsement of stereotypes, and this suggests that the multi-level and empathy interventions were the most powerful. On the other hand, the attribution intervention had the largest overall effect and affected attributions, feelings, and negative stereotypes. Therefore, there are reasons to believe that the attribution intervention was the most powerful in this study. Participants were subsequently asked to rate a target overweight person. Half of all participants were informed that the target was overweight because of medical reasons, while the other half were informed that the target was overweight because of regular overeating and a sedentary lifestyle. Surprisingly, the intervention groups did not significantly differ in target ratings on any variable. Reasons for this lack of effect are discussed. A main effect did occur in the ratings of the target for controllability information. Specifically, participants who were informed that the target was overweight for uncontrollable reasons (e.g., glandular disorder) reported more favorable ratings in liking her and not blaming her, as compared to participants who were informed that the target was overweight for controllable reasons (e.g., regular overeating and sedentary lifestyle). Ratings of the target’s characteristics and physical attractiveness did not change with this manipulation. Overall, this study provided logical and consistent results, while adding specific information to the literature. Further, this study offered a new, effective intervention for obesity stigma reduction, as well as providing some support for the empathy and attribution interventions. These three interventions proved to be the strongest in this study, and perhaps they will one day be used as part of a more global intervention to reduce stigma and discrimination toward overweight and obese people.

The prevalence of overweight and obesity is on the rise. Being overweight or obese is associated with serious medical, psychological, and social consequences. The main social consequence of being overweight or obese is stigma, which is detrimental to overweight and obese people. Three types of obesity stigma reduction interventions have been proposed and tested: changing attributions, increasing empathy, and social consensus. The purpose of this study was to compare the effectiveness of these interventions and to determine the effectiveness of an intervention that incorporates major elements of the three interventions. Three hundred eighty one University of Manitoba undergraduate students participated in this study. They were randomly assigned to one of five intervention groups: status quo group, changing attributions group, increasing empathy group, social consensus group, and multi-level intervention group. The interventions involved presenting participants with information intended to influence participants’ perceptions of overweight and obese individuals. Pre-test and post-test ratings were obtained on participants’ attributions about weight, feelings about obese people, and endorsement of positive and negative stereotypes of obese people. Analyses of these ratings revealed that the empathy and multi-level interventions are the only interventions that improved attributions, feelings, and endorsement of stereotypes, and this suggests that the multi-level and empathy interventions were the most powerful. On the other hand, the attribution intervention had the largest overall effect and affected attributions, feelings, and negative stereotypes. Therefore, there are reasons to believe that the attribution intervention was the most powerful in this study. Participants were subsequently asked to rate a target overweight person. Half of all participants were informed that the target was overweight because of medical reasons, while the other half were informed that the target was overweight because of regular overeating and a sedentary lifestyle. Surprisingly, the intervention groups did not significantly differ in target ratings on any variable. Reasons for this lack of effect are discussed. A main effect did occur in the ratings of the target for controllability information. Specifically, participants who were informed that the target was overweight for uncontrollable reasons (e.g., glandular disorder) reported more favorable ratings in liking her and not blaming her, as compared to participants who were informed that the target was overweight for controllable reasons (e.g., regular overeating and sedentary lifestyle). Ratings of the target’s characteristics and physical attractiveness did not change with this manipulation. Overall, this study provided logical and consistent results, while adding specific information to the literature. Further, this study offered a new, effective intervention for obesity stigma reduction, as well as providing some support for the empathy and attribution interventions. These three interventions proved to be the strongest in this study, and perhaps they will one day be used as part of a more global intervention to reduce stigma and discrimination toward overweight and obese people.

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(in English): The aim of this thesis is to clarify the normative character of language, that is, how we are bound by a certain set of rules in every speech. We will look into this normative character of language by articulating two essential questions: in what is this normativity grounded and which aspects constitute language as an institution. In the first part of the paper we interpret the work of three authors, Ferdinand de Saussure, Charles S. Peirce and Pierre Bourdieu, in order to answer the question on what the normative character of language is founded. In this part we mainly look into the relationship between language and social consensus, habit/acting and institutions. In the second part of the paper we give a definition of language institution which is inspired by the work of Peirce and Bourdieu. Further on we clarify in systematic way those aspects of language which can be considered as normative. Firstly, we point out those which are clearly part of language, such as lexicon, pronunciation and intonation, official language and institution symbolized by language. The last aspects that we will analyse are speech genres, belief, habit/acting and power.

Models of the need-driven information search and the information appraisal process were formed from a comprehensive literature review of factors affecting perceived credibility and trust in online information. The social component of online credibility has not, to date, been thoroughly researched. This component's impact on the development of the perceived credibility of online information was examined in two experiments. In the first experiment, the impact of positive, mixed, and negative social feedback on the development of the perceived credibility of a web page was evaluated. In the second experiment, the effect of social feedback on credibility was examined under two levels of motivation for information use to investigate whether social feedback becomes less important as motivation to obtain quality information increases. The results of Experiment 1 suggest that type of feedback can influence perceived web page credibility. Pages with negative audience feedback received the lowest credibility ratings, while pages with positive audience feedback received the highest credibility ratings. Pages with mixed or no audience feedback received higher credibility ratings than pages with negative feedback, but lower credibility ratings than pages with positive feedback. In Experiment 2, high motivation did not impact the number of web page elements participants reported that they used to determine credibility. High motivation for information use also did not reduce the impact of audience feedback on perceived credibility.

Study One aimed to provide a current understanding of pupils’ attitudes towards people who are overweight and the prevalence and significance of weight-based unkindness in school. Methods: The study followed a mixed method, sequential qualitative and quantitative research design. Part One of the study used exploratory focus groups to ascertain that weight-based unkindness was a valid concern for children and young people, when compared against unkindness of other content. The focus group also ensured that the vignettes used in the survey (Part Two) were ecologically valid. Part Two included an existing measure of weight-stigma (attitude scale) and three sets of vignette-based questions to measure pupils’ perceptions of the frequency and severity of different incidents of unkindness. Part Two, was administered to 214 participants via a computerised survey. Results: The majority of pupils (61%) judged the overweight characters to be the least accepted. Participants also perceived significantly greater hurt, anger, embarrassment and humour to follow episodes of weight-based unkindness. Study Two aimed to better understand why, how and what is ‘different’ about pupils’ understanding of weight-based unkindness when compared to other types of unkindness. Methods: This study adopted an explorative approach to hear the lived experiences of six teachers and 29 children in two South West Primary Schools. Data was collected via semi-structured interviews, administered through focus groups (pupils) and paired interviews (teachers). Data was analysed using latent thematic analysis (Braun & Clarke, 2006). Results: The study found that pupils used the language of personal choice to attribute personal responsibility to overweight CYP, whilst teachers attributed this blame to their parents. Teachers espoused acceptance for the overweight whilst their behaviours implicitly reinforced the ‘thin-ideal’. Key findings are discussed from a theoretical perspective and their implication for supporting attitude change is highlighted.