Background Web-based interventions are effective for several psychological problems.
However, recruitment, adherence, and missing data are challenges when evaluating these …

Background: The Internet provides us with tools (user metrics or paradata) to evaluate how
users interact with online interventions. Analysis of these paradata can lead to design …

Background: Although Web-based interventions have been shown to be effective, they are
not widely implemented in regular care. Nonadherence (ie, participants not following the …

BackgroundOver the past 15 years, there has been substantial growth in web-based
psychological interventions. We summarize evidence regarding the efficacy of web-based …

Background: The Internet has the potential to provide large populations with individual
health promotion advice at a relatively low cost. Despite the high rates of Internet access …

Background Web-based therapies hold great promise to increase accessibility and reduce
costs of delivering mental health care; however, uptake in routine settings has been low …

Background Growing evidence supports the benefits of eHealth interventions to increase
patient engagement and improve outcomes for a range of conditions. However, ineffective …

Background Adherence to Internet-delivered lifestyle interventions using multiple tailoring is
suboptimal. Therefore, it is essential to invest in proactive strategies, such as periodic email …

Background: An earlier report indicated that callers to a telephone counseling service
benefited from the addition of an evidence-based Web intervention for depression. It is not …

Background Research has convincingly demonstrated that symptoms of depression can be
reduced through guided Internet-based interventions. However, most of those studies …