Chris Y. Lovato

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A grounded theory study was undertaken to describe how adolescents make decisions about sunbathing during the transition from childhood to adolescence and to propose an explanation for the relationships among factors affecting the adoption of sun tanning. In-depth interviews (n = 40) were conducted separately with adolescents (aged 12 to 16 years) and their(More)
This study examined sun protection in families with adolescents from an action-theoretical perspective. Interview data were collected from 20 families about their attitudes and behaviors around sunbathing and sun protection. The data support the understanding of project as joint goal-directed action over time as the basis on which these behaviors are(More)
Understanding how users form perceptions of a software innovation would help software designers, implementers and users in their evaluation, selection, implementation and on-going use of software. However, with the exception of some recent work, there is little research examining how a user forms his or her perceptions of an innovation over time. To address(More)
The purpose of this study was to explore individual- and school-level policy characteristics on student smoking behavior using an ecological perspective. Participants were 24,213 (51% female) Grade 10-11 students from 81 schools in five Canadian provinces. Data were collected using student self-report surveys, written policies collected from schools,(More)
Assessing the comparability of different groups is an issue facing many researchers and evaluators in a variety of settings. Commonly, null hypothesis significance testing (NHST) is incorrectly used to demonstrate comparability when a non-significant result is found. This is problematic because a failure to find a difference between groups is not equivalent(More)
This study explored perceived barriers and facilitators to healthful eating in schools and communities among overweight teens who completed an E-health intervention. Twenty-two teens were recruited to a photovoice study and asked to take pictures of things that made it easier or harder to make healthful food choices at school and in their community. Digital(More)
INTRODUCTION School characteristics may account for some of the variation in smoking prevalence among schools. The purpose of this study was to investigate the relationships between characteristics of school tobacco policies and school smoking prevalence. We also examined the relationship between these characteristics and individual smoking status. (More)
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