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  • Joe Phua
  • Psychology of addictive behaviors : journal of…
  • 2013
This study proposed the Reference Group Perspective for smoking cessation, examining smokers' identification with three reference groups: best friends, colleagues, and family members, and hypothesizing that identification with each group would moderate the relationship between injunctive and descriptive norms of the group and smoking cessation(More)
Celebrities endorsing e-cigarette brands on social media may exert a strong influence on e-cigarette uptake. Using a between-subject experiment, this study examines the effects of endorser type (celebrities, non-celebrities and products only) in e-cigarette brand Instagram advertisements on e-cigarette attitudes and smoking intentions. Results showed that(More)
  • Joe Phua
  • Journal of health psychology
  • 2016
This study examined the effect of the audience's similarity to, and parasocial identification with, spokespersons in obesity public service announcements, on perceived source credibility, and diet and exercise self-efficacy. The results (N = 200) indicated that perceived similarity to the spokesperson was significantly associated with three dimensions of(More)
This study examined the joint influence of spokesperson type in obesity public service announcements (PSAs) and viewer weight on diet intention, exercise intention, information seeking, and electronic word-of-mouth (eWoM) intention. Results of a 2 (spokesperson type: real person vs. actor) × 2 (viewer weight: overweight vs. non-overweight) between-subjects(More)
Through two experiments, this study examined the impact of user-generated content (UGC) and online page popularity (e.g., number of ‘‘likes’’) of a pro-breastfeeding community Facebook page on female college students’ breastfeeding-related attitudes and behaviors. Experiment 1 focused on effects of message style (testimonial versus informational) and online(More)
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