In this paper, we examine the validity and precision of two nonexperimental study designs (NXDs) that can be used in educational evaluation: the comparative interrupted time series (CITS) design and the difference-in-difference (DD) design. In a CITS design, program impacts are evaluated by looking at whether the treatment group deviates from its…

In this new report from the Signature series, the National Student Clearinghouse Research Center, in partnership with the Indiana University Project on Academic Success, presents findings on two- to four-year transfer students, focusing on their baccalaureate completion within six years after transfer. The report examines baccalaureate completion…

The nation's recent economic problems underscore the urgency of addressing the challenges that low-income families face. The current economic downturn will exacerbate what already are troubling trends in Colorado--namely, that too many children in the state live in poverty and these numbers are growing rapidly. Until updated data are available, it…

Young adulthood is filled with major life events and pursuing higher education is one of the most common transitions. It is also the time when many young adults enter the labour market, move out of their parents' household and begin family formation. These significant events affect each other and impact the rest of their lives. Given the…

In 2005, the Monitoring the Future study marked its 31st year of conducting national surveys of substance use among American young people. Beginning with the first survey of high school seniors in 1975, the study has provided the nation with a window through which to view the important, but largely hidden, problem behaviors of illicit drug use,…

Possible relationships between five test examiner characteristics (gender, race, tenure, experience as a test administrator, and experience as a test developer or scorer) and six student achievement scores (reading, writing, language usage, mathematics, science, and social studies) were studied at the school level in a statewide assessment. The…