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Featured researches published by Sarah E. Vaala.


Communication Research | 2013

Does the Effect of Exposure to TV Sex on Adolescent Sexual Behavior Vary by Genre

Jeffrey A. Gottfried; Sarah E. Vaala; Amy Bleakley; Michael Hennessy; Amy B. Jordan

Using the Integrated Model of Behavioral Prediction, this study examines the effects of exposure to sexual content on television by genre, specifically looking at comedy, drama, cartoon, and reality programs, on adolescents’ sex-related cognitions and behaviors. Additionally, we compared the amount and explicitness of sexual content as well as the frequency of risk and responsibility messages in these four genres. Findings show that overall exposure to sexual content on television was not related to teens’ engagement in sexual intercourse the following year. When examined by genre, exposure to sexual content in comedies was positively associated while exposure to sexual content in dramas was negatively associated with attitudes regarding sex, perceived normative pressure, and ultimately engaging in sex 1 year later. Implications of adolescent exposure to various types of content and for using genre categories to examine exposure and effects are discussed.


The Journal of medical research | 2015

Use of Commonly Available Technologies for Diabetes Information and Self-Management Among Adolescents With Type 1 Diabetes and Their Parents: A Web-Based Survey Study

Sarah E. Vaala; Korey K. Hood; Lori Laffel; Yaa Kumah-Crystal; Cindy Lybarger; Shelagh A. Mulvaney

Background For individuals with Type 1 diabetes (T1D), following a complicated daily medical regimen is critical to maintaining optimal health. Adolescents in particular struggle with regimen adherence. Commonly available technologies (eg, diabetes websites, apps) can provide diabetes-related support, yet little is known about how many adolescents with T1D use them, why they are used, or relationships between use and self-management. Objective This study examined adolescent and parent use of 5 commonly available technologies for diabetes, including proportions who use each technology, frequency of use, and number of different technologies used for diabetes. Analyses also investigated the reasons adolescents reported for using or not using technologies for diabetes, and factors correlated with adolescents’ technology use. Finally, this study examined relationships between the type and number of technologies adolescents use for diabetes and their self-management and glycemic control. Methods Adolescents (12-17 years) and their parents (N=174 pairs), recruited from a pediatric diabetes clinic (n=134) and the Children with Diabetes community website (n=40), participated in this Web-based survey study. Glycosylated hemoglobin (A1C) values were obtained from medical records for pediatric clinic patients. Adolescents reported their use of 5 commonly available technologies for diabetes (ie, social networking, diabetes websites, mobile diabetes apps, text messaging, and glucometer/insulin pump software), reasons for use, and self-management behavior (Self-Care Inventory-Revised, SCI-R). Results Most adolescents and parents used at least one of the 5 technologies for diabetes. Among adolescents, the most commonly used technology for diabetes was text messaging (53%), and the least commonly used was diabetes websites (25%). Most adolescents who used diabetes apps, text messaging, or pump/glucometer software did so more frequently (≥2 times per week), compared to social networking and website use (≤1 time per week). The demographic, clinical, and parent-technology use factors related to adolescents’ technology use varied by technology. Adolescents who used social networking, websites, or pump/glucometer software for diabetes had better self-management behavior (SCI-R scores: beta=.18, P=.02; beta=.15, P=.046; beta=.15, P=.04, respectively), as did those who used several technologies for diabetes (beta=.23, P=.003). However, use of diabetes websites was related to poorer glycemic control (A1C: beta=.18, P=.01). Conclusions Adolescents with T1D may be drawn to different technologies for different purposes, as individual technologies likely offer differing forms of support for diabetes self-management (eg, tracking blood glucose or aiding problem solving). Findings suggest that technologies that are especially useful for adolescents’ diabetes problem solving may be particularly beneficial for their self-management. Additional research should examine relationships between the nature of technology use and adolescents’ T1D self-management over time.


New Directions for Child and Adolescent Development | 2013

Games for Learning: Vast Wasteland or a Digital Promise?.

Michael H. Levine; Sarah E. Vaala

Research about emerging best practices in the learning sciences points to the potential of deploying digital games as one possible solution to the twin challenges of weak student engagement and the need for more robust achievement in literacy, science, technology, and math. This chapter reviews key cross-cutting themes in this special volume, drawing perspective from the context of the current United States program and policy reform. The authors conclude that digital games have some unique potential to address pressing educational challenges, but that new mechanisms for advancing purposeful research and development must be adopted by both policymakers and industry leaders.


Journal of Health Communication | 2015

Do Emotional Appeals in Public Service Advertisements Influence Adolescents’ Intention to Reduce Consumption of Sugar-Sweetened Beverages?

Amy Bleakley; Amy B. Jordan; Michael Hennessy; Karen Glanz; Andrew Strasser; Sarah E. Vaala

Mass media campaigns are a commonly used approach to reduce sugary drink consumption, which is linked to obesity in children and adolescents. The present study investigated the direct and mediated effects of emotional appeals in public service advertisements (PSAs) that aired between 2010 and 2012 on adolescents’ intention to reduce their sugar-sweetened beverage (SSB) consumption. An online randomized experiment was conducted with a national sample of adolescent respondents ages 13 to 17 years old (N = 805). Participants were randomly assigned to 1 of 4 conditions. Three experimental conditions represented PSAs with different emotional appeals: humor, fear, and nurturance, plus a fourth control condition. The outcome was adolescents’ intention to cut back on SSBs. The direct effect of fear appeals on intention was mediated through adolescents’ perception of the PSAs’ argument strength; perceived argument strength was also the key mediator for the indirect effects of humor and nurturance on intention. Several hypothesized mediators influenced by the appeals were not associated with intention. This is the first study to test the effect of persuasive emotional appeals used in SSB-related PSAs. The perceived strength of the PSAs’ arguments is important to consider in the communication of messages designed to reduce SSB consumption.


Journal of Broadcasting & Electronic Media | 2017

Parents’ Use of the V-Chip and Perceptions of Television Ratings: The Role of Family Characteristics and the Home Media Environment

Sarah E. Vaala; Amy Bleakley; Jessica Castonguay; Amy B. Jordan

Nearly 20 years after the Telecommunications Act of 1996, it is unclear how its mandates influence current parents’ mediation behavior. Parents of 2- to 17-year-old children (N = 1,431) were surveyed about their awareness and perceptions of the TV ratings system and use of the V-chip. Most (81%) parents knew about the ratings system and found it to be only “somewhat useful.” Only 16% of those parents had ever used the V-chip. Ratings awareness and perceptions and V-chip use varied with family characteristics. Policymakers should revisit how to provide better tools for mediating children’s viewing in this new information age.


Media Psychology | 2016

Weight Stigmatization Moderates the Effects of Sugar-Sweetened Beverage-Related PSAs Among U.S. Parents

Sarah E. Vaala; Amy Bleakley; Michael Hennessy; Amy B. Jordan

Research indicates that media campaigns targeting weight-related behaviors can make overweight individuals feel stigmatized and may create backlash effects in weight-related health behavior. Using weight-based identity threat theory as a guiding framework, this study investigates the role of prior weight stigmatization in adults’ reactions to public service advertisements (PSAs) encouraging sugar-sweetened beverage (SSB) reduction. In an online survey experiment among 807 U.S. parents, participants were randomly assigned to view anti-SSB PSAs containing one of three persuasive appeals (fear, humor, or nurturance). Emotional responses, evaluation of argument strength, and intention to reduce SSB consumption were measured following PSA exposure. Non-stigmatized parents felt less empowerment and hope and perceived weaker arguments if they viewed humorous PSAs instead of fear-based PSAs. Argument strength and empowerment or hopeful emotions predicted increased intention to reduce SSB consumption, regardless of whether participants had been stigmatized. There was weak support for the moderation of emotional responses on intentions by stigmatization history such that negative emotions were associated with lower SSB-reduction intentions only among stigmatized participants. Experiences of stigmatization can shape audiences’ responses to health-related messages in unintended ways. The findings suggest that campaign designers should choose empowering messages with strong arguments and avoid evoking negative emotions.


American Behavioral Scientist | 2015

Sugar-Sweetened Beverage-Related Public Service Advertisements and Their Influence on Parents

Amy B. Jordan; Amy Bleakley; Michael Hennessy; Sarah E. Vaala; Karen Glanz; Andrew A. Strasser

In this article, we describe a novel experimental approach for identifying the effectiveness of distinct persuasive strategies used in audiovisual (television-format) public service advertisements (PSAs) designed to encourage parents to reduce their children’s sugar-sweetened beverage (SSB) consumption. Eight-hundred and seven parents were assigned to one of three experimental conditions with exposure to PSAs using distinct emotional appeals (fear, humor, and nurturance) or a control (non-SSB PSA). Parents’ emotional and cognitive responses to the ads and intentions to cut back on their child’s SSB consumption were assessed using a path analysis. Findings show no significant difference in the experimental versus control groups on intention to reduce children’s intake. However, parents who had greater feelings of empowerment and hope, and greater perceived argument strength post-PSA viewing were significantly more likely to intend to cut back their children’s SSB consumption. Additionally, parent characteristics moderated the paths between the experimental conditions and mediators. Fathers felt significantly less empowerment/hope and fewer positive emotions than mothers in the humor condition, and lighter SSB consumers felt significantly less empowerment and hope and positive emotions than heavy SSB consumers in the fear condition. The findings of this study suggest that health-related messages directed at parents may be most effective if they present strong arguments and elicit feelings of empowerment and hope.


Journal of Children and Media | 2015

Monitoring, Mediating, and Modeling: Parental Influence on Adolescent Computer and Internet Use in the United States

Sarah E. Vaala; Amy Bleakley


Joan Ganz Cooney Center at Sesame Workshop | 2015

Getting a Read on the App Stores: A Market Scan and Analysis of Children's Literacy Apps. Full Report.

Sarah E. Vaala; Anna Ly; Michael H. Levine


Media Psychology | 2014

The Nature and Predictive Value of Mothers' Beliefs Regarding Infants' and Toddlers' TV/Video Viewing: Applying the Integrative Model of Behavioral Prediction

Sarah E. Vaala

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Amy Bleakley

University of Pennsylvania

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Michael Hennessy

University of Pennsylvania

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Karen Glanz

University of Pennsylvania

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Andrew Strasser

University of Pennsylvania

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Cindy Lybarger

Vanderbilt University Medical Center

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