BACKGROUND Obesity is a major health concern for adolescents, with one in four being overweight or obese in Australia. The purpose of this study was to examine the moderation effect of parental encouragement of healthy behaviors on the relationship between adolescent weight status and Health-Related Quality of Life (HRQoL). METHODS Baseline data were collected from 3,040 adolescents participa...

Background: Parental bonding perception leads to the different domains of future life. The goal of this study was to investigate the predictive role of parental bonding perception types of communicational patterns of couples of Tehran. Methods: This research was a correlational and descriptive study. The study sample comprised of 338 individuals who voluntarily participated in the research in ...

Encouragement design studies are particularly useful for estimating the effect of an intervention that cannot itself be randomly administered to some and not to others. They require a randomly selected group receive extra encouragement to undertake the treatment of interest, where the encouragement typically takes the form of additional information or incentives. We consider a "clustered encour...

This paper tests a new method for encouraging Web survey respondents to complete a questionnaire once they have started it and, thus, reduce the number of breakoffs. This paper builds upon prior studies that have examined the effects of using feedback mechanisms in Web surveys to encourage questionnaire completion and breakoff reduction (Crawford, Couper, & Lamias, 2001; Couper, Traugott, & Lam...