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 research examined the potential relationship between adolescent problem behaviors and amount of time spent with violent electronic games. Survey data were collected from 1,254 7th and 8th grade students in two states. A "dose" of exposure to Mature-rated games was calculated using Entertainment Software Rating Board ratings of…

Student achievement data from 92 school districts in South Carolina were analyzed to determine which input variables were most likely to affect educational quality. Fourth and seventh grade samples were scrutinized to determine the effects on achievement when the shared variation between achievement and the context variables was removed. The data…

Student achievement data from 92 school districts in South Carolina were analyzed to determine which variables were most likely to affect educational quality. Fourth and seventh grade samples were examined to determine the effects on achievement when the shared variation between achievement and the context variables was removed. The data included…