Background: It is a priority to develop population-based strategies for reducing barriers to smoking cessation among low-income populations. Harnessing secondary transmission such as interpersonal communication (IC) has helped to reduce tobacco use, but there is a dearth of quasi-experimental research that examines IC and the full spectrum of…

Facebook advertisements were used to recruit nulliparous women in the first 20 weeks of pregnancy for an online survey about their childbirth preferences. A campaign of ads was targeted to women, aged 18 to 44 years, residing in the United States. The ads were viewed 10,577,381 times by 7,248,985 unique Facebook users over 18 weeks in 2011. The ad…

This document provides guidance about how to describe studies and report their findings in a way that is clear, complete, and transparent. This document does not include information about how studies are judged against What Works Clearinghouse evidence standards. For information about What Works Clearinghouse evidence standards, please refer to…

This "What Works Clearinghouse Procedures and Standards Handbook (Version 3.0)" provides a detailed description of the standards and procedures of the What Works Clearinghouse (WWC). The remaining chapters of this Handbook are organized to take the reader through the basic steps that the WWC uses to develop a review protocol, identify…

Since at-risk youth are in transition to adulthood, major adult learning concepts can be applied to them. The purpose of this study was to describe the learning strategies of youth in transition to adulthood in the urban life skills program of A Pocket Full of Hope®. Both qualitative and quantitative data collecting methods were used. Assessing…

TIMSS measures trends in mathematics and science achievement at the fourth and eighth grades in participating countries around the world, while also monitoring curricular implementation and identifying promising instructional practices. Conducted on a regular 4-year cycle, TIMSS has assessed mathematics and science in 1995, 1999, 2003, 2007, and…