Background Recruiting an adequate number of participants into medical research studies is
challenging for many researchers. Over the past 10 years, the use of social media websites …

Background Recruiting participants into clinical trials continues to be a challenge, which can
result in study delay or termination. Recent studies have used social media to enhance …

Purpose Sextortion (threats to expose sexual images to coerce victims to provide additional
pictures, sex, or other favors) has been identified as an emerging online threat to youth, but …

Background Tobacco public education campaigns focus increasingly on hard-to-reach
populations at higher risk for smoking, prompting campaign creators and evaluators to …

Background Social media holds exciting promise for advancing mental health research
recruitment, however, the extent and efficacy to which these platforms are currently in use …

A model's eyes are a powerful and ubiquitous visual feature in virtually any advertisement
depicting a person. But does where the ad model's eyes look matter? Integrating insights …

Background: Between 15% and 70% of adolescents report experiencing cybervictimization.
Cybervictimization is associated with multiple negative consequences, including depressed …

Background: The prevalence of social media makes it a potential alternative to traditional
offline methods of recruiting and engaging participants in health research. Despite …

Background E-mental health is an established mode of delivering treatment for common
mental disorders in many high income countries. However, evidence of its effectiveness in …

Background Learning theory is an essential component for designing an effective
educational curriculum. Reviews of existing literature consistently lack sufficient evidence to …