This study shows that residual variation can cause problems related to scaling in exponential random graph models (ERGM). Residual variation is likely to exist when there are unmeasured variables in a model--even those uncorrelated with other predictors--or when the logistic form of the model is inappropriate. As a consequence, coefficients cannot…

In the context of "academic momentum," a longitudinal study of university students (N = 904) showed high school achievement and ongoing university achievement predicted subsequent achievement through university. However, the impact of high school achievement diminished, while additive effects of ongoing university achievement continued.…

Buchmann, Condron and Roscigno argue in their article, "Shadow Education, American Style: Test Preparation, the SAT and College Enrollment," that the activities in which students engage to prepare for college entrance exams are forms of shadow education, a means by which more advantaged parents seek to pass their privileged status along…

Reviewing and conducting research on summer residential program models for gifted and talented students will illuminate the academic, social, and emotional difficulties they face and reveal which practices are effective in addressing these issues. One program model, the Governor's School, warrants particular attention because of its mission to…