Background Implementation outcome measures are essential for monitoring and evaluating
the success of implementation efforts. Yet, currently available measures lack conceptual …

Background Online convenience samples are a quick and low-cost way to study health
behavior, but the comparability to findings from probability samples is not yet well …

Objective: This study explored the association of stress and depression with a
multidimensional sleep problems construct in a sample of 2-year college students …

Background Our randomized trial found that pictorial cigarette pack warnings elicited more
quit attempts than text-only warnings. Purpose In the current study, we sought to identify …

Objective Pictorial warnings on cigarette packs increase motivation to quit smoking. We
sought to examine the potential mediating role of negative affect, message reactance (ie, an …

Objective The objective of the study was to investigate whether group prenatal care
(Centering Pregnancy Plus [CP+]) has an impact on pregnancy weight gain and postpartum …

Reactance to persuasive messages involves perceived threat to freedom, anger, and
counterarguing that may undermine the impact of health warnings. To understand …

Abstract Introduction and Aims In recent years, unprecedented levels of Internet access and
the widespread growth of emergent communication technologies have resulted in …

Background Interventionists commonly identify promising messages for health
communication efforts based on audience members' ratings of perceived message …

Multiple theories posit that people with a history of depression are at higher risk for a
depressive episode than people who have never experienced depression, which may be …