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As shisha smoking is increasing globally, the need for a critical action to control shisha smoking consumption becomes crucial. Despite the success of cigarette warning labels in increasing smokers' awareness of the negative health effects of smoking and in motivating smokers to quit, nothing is known about the potential impact health warning labels may have on shisha users. The current study investigated the perception of effectiveness of text-only versus graphic warning among shisha smokers. This study sought to examine the impact of viewing health warning labels on perceived susceptibility and severity of shisha smoking health hazards, on motivating intentions to quit, and on changing the pattern of shisha smoking. Eligible participants first completed an online baseline questionnaire, and were then randomly assigned to one of three conditions:a control condition, in which they viewed nutrition labels (n=100) , or one of two experimental groups in which they viewed Text- only warning labels (n=117), or they viewed Graphic warning labels (n=125). In each of these three conditions, participants viewed six health warning labels and rated them using likert scale questions immediately following each label. Two weeks later, participants were invited to complete an online follow-up questionnaire. The findings indicate that Graphic tobacco warnings grab participants' attention and elicit unfavourable emotional reactions. Although there was a relatively little impact of viewing health warnings on subsequent shisha use, Graphic warnings significantly improved some of the participants' health knowledge .In addition, Graphic warnings significantly increased smokers' beliefs that shisha is harmful to health and dangerous to non-smokers. Patterns of the findings revealed that quit intentions were relatively higher among those who viewed Graphic warning labels. To our knowledge, this study is the first to examine the effect of health warnings on shisha smokers. Overall, findings provide modest support for the efficcacy of shisha warnings on establised users. Findings imply that packaging and labelling policies for shisha and shisha products require additional development. Further examination of specific themes and contents of health warnings directed specifically to shisha smokers in different cultural settings will be critical to ensure the relevance of health warnings in distinct cultural settings.

As shisha smoking is increasing globally, the need for a critical action to control shisha smoking consumption becomes crucial. Despite the success of cigarette warning labels in increasing smokers' awareness of the negative health effects of smoking and in motivating smokers to quit, nothing is known about the potential impact health warning labels may have on shisha users. The current study investigated the perception of effectiveness of text-only versus graphic warning among shisha smokers. This study sought to examine the impact of viewing health warning labels on perceived susceptibility and severity of shisha smoking health hazards, on motivating intentions to quit, and on changing the pattern of shisha smoking. Eligible participants first completed an online baseline questionnaire, and were then randomly assigned to one of three conditions:a control condition, in which they viewed nutrition labels (n=100) , or one of two experimental groups in which they viewed Text- only warning labels (n=117), or they viewed Graphic warning labels (n=125). In each of these three conditions, participants viewed six health warning labels and rated them using likert scale questions immediately following each label. Two weeks later, participants were invited to complete an online follow-up questionnaire. The findings indicate that Graphic tobacco warnings grab participants' attention and elicit unfavourable emotional reactions. Although there was a relatively little impact of viewing health warnings on subsequent shisha use, Graphic warnings significantly improved some of the participants' health knowledge .In addition, Graphic warnings significantly increased smokers' beliefs that shisha is harmful to health and dangerous to non-smokers. Patterns of the findings revealed that quit intentions were relatively higher among those who viewed Graphic warning labels. To our knowledge, this study is the first to examine the effect of health warnings on shisha smokers. Overall, findings provide modest support for the efficcacy of shisha warnings on establised users. Findings imply that packaging and labelling policies for shisha and shisha products require additional development. Further examination of specific themes and contents of health warnings directed specifically to shisha smokers in different cultural settings will be critical to ensure the relevance of health warnings in distinct cultural settings.

Typescript. Includes vita and abstract. Includes bibliographical references (leaves 158-164). Also available online in Scholars' Bank; and in ProQuest, free to University of Oregon users.

xiii, 164 p. : ill. A print copy of this thesis is available through the UO Libraries. Search the library catalog for the location and call number. / Research in the warnings literature has investigated several factors that may affect motivation to comply with the information contained in warnings. However, little research in this area has examined the role that emotion may play in motivating behavior. Three studies were conducted to determine whether participants had an emotional response to warning labels, and, if so, whether the activated emotions were related to behavioral intentions. In Study 1 ( N = 202), participants were asked to imagine themselves in specific situations in which they needed to use particular products. They were then presented with actual warning labels from common consumer products. Both before and after presentation of the warning, participants were asked to rate the extent to which they felt specific emotions and their behavioral intentions. For the majority of the products, surprise and fear increased after exposure to the warning labels. In addition, fear predicted likelihood of use for 9 of the 12 products. In Study 2 ( N = 200), the general framework of the Extended Parallel Process Model (Witte, 1992) was used in an attempt to manipulate fear responses to the warning labels. Four warning labels were created by varying severity of the consequences (low, high) and efficacy of the precautionary instructions (low, high). Participants exposed to the high severity/high efficacy warning label reported higher levels of fear than those in the other three conditions. Fear was negatively correlated with likelihood of use, but positively correlated with precautionary intent. Study 3 ( N = 256) was conducted in an effort to replicate the findings of Study 2 and determine whether the findings would generalize when the four warning labels were paired with a different consumer product. Participants in the high severity conditions reported higher levels of fear than those in the low severity conditions. Again, fear was negatively correlated with likelihood of use and positively correlated with precautionary intent. Possible reasons for the different effects of severity and efficacy on the fear responses for Studies 2 and 3 are explored. Implications of the findings, study limitations, and directions for future research are discussed. / Committee in charge: Robert Mauro, Chairperson, Psychology; Sara Hodges, Member, Psychology; Paul Slovic, Member, Psychology; Debra Merskin, Outside Member, Journalism and Communication

評估俄羅斯菸盒警示圖文之警示效果研究 / Nowadays tobacco use leads to one of the most common reasons of preventable deaths. According to the Global Adult Tobacco Survey, in 2012 Russia has moved to the first place as a most smoking country in the world. Since 2013 Russian government has implemented a variety of methods to reduce smoking in the country. There is not much research done to analyze one of these methods, graphic warning labels on cigarette packs, which were implemented in Russia more than one year ago. Therefore current study aims to evaluate how college students in Russia react on these warning labels. Using fear appeal theory and Witte’s Extended Parallel Process Model (EPPM), this research explains the advantages and disadvantages of graphic warning labels in Russia. Focus group was conducted to evaluate each of 12 graphic warnings. According to the focus group participants, the paradontosis, stillbirth, oncological diseases, and prematurity were the labels that made them feel concerned. The participants felt that these topics were very important, as the pictures were unpleasant, scary, or disgusting. However, topics, such as impotence, suffering, and emphysema were evaluated as indifferent, irrelevant, and not impressive. Also it has been noted that there is lack of knowledge among Russian college students about the harmful consequences of smoking. Topics, such as early aging and impotence were evaluated as they make no sense and irrelevant to smoking.

The rise of social media platforms has had a significant impact on the conventional model of gatekeeping. With increased access to information--as well as the ability to contribute to the public discourse--individuals no longer need to rely on the mass media for news. These realities have led to increased conversations surrounding credibility in the digital age. Although not a new concept, fake news has become increasingly common in recent years. The web--particularly social media outlets, like Twitter--have enhanced the spread of misinformation. To combat this, social media platforms have introduced gatekeeping features like verification marks and warning labels. However, questions remain regarding the credibility and effectiveness of these features. Furthermore, little information exists regarding the perceptions of these features. For this study, the researcher examined the perceptions of fake news, verification, and Notices (i.e., warning labels) as they relate to Twitter. These perceptions were captured through a survey that was distributed to Twitter users through MTurk. Results were examined generally as well as in the light of political orientation, ranging from very liberal to very conservative on a 4-point scale. Within the scope and limitations of this study, results indicate that the majority of Twitter users believe that fake news on the platform is a major problem. Additionally, results show that there is no significant difference between the effectiveness of verification and the effectiveness of Notices in slowing the spread of fake news, and neither feature is perceived as strongly credible or effective.