Many different study designs are used to address different types of clinical questions. The two broad categories are the experimental study, which is the randomized controlled trial, and observational studies, which includes all of the other basic study designs (cohort [prospective and retrospective] studies, case-control [etiologic] studies, cross-sectional [prevalence] studies,…
Background The study objectives were to determine whether a community-based organization's intensive counseling intervention would reduce sexually transmitted disease (STD) acquisition among high-risk STD clinic patients and to determine whether a low-cost trial could be conducted in a community-based setting with passive follow-up. Methods Participants were randomly assigned to routine…
Membership grants access to journals, courses and a slew of premium benefits.
Please consider supporting us by choosing an option below:
View Membership Options Make A Tax-Deductable Donation
No Thanks, take me to the site and don't show me this again.