Chapter 1: In response to tightened budgets and concerns about higher education costs, governments have introduced rules to limit the use of publicly funded aid, particularly at for-profit colleges. In this paper, we use an event study framework to estimate how tuition, enrollments, and loan use changed at for-profit colleges that became…

New analytical tools have facilitated the exploration of the trajectories of alcohol use; however, there are a limited number of studies that explore early adolescence. A sample of 5,903 youths followed from sixth through eighth grade was used to (1) examine the trajectories of alcohol use and (2) determine the degree to which common correlates…

This study consists of three sub-studies. Sub-study 1 and 2 attempted to incorporate environmental variables as precursor background variables of the theory of planned behavior (TPB) to predict quitting-related intentions among Texas adult smokers and university student smokers, respectively. Sub-study 1 and 2 analyzed different data sets and were…