Refines the cohort survival method for projecting student enrollment. Tests its effectiveness with 30 Maine school districts. The refinement empirically searches for optimal values of number of years of history to use in averaging, weights to place on the ratios, and linear versus exponential distribution of weights across ratios. (SLD)

Summarizes the conduct and results of the Seattle Longitudinal Study, an investigation that has assessed mental abilities in more than 5,000 adults and has followed some for as long as 35 years. Integrative findings are presented on age changes, cohort differences, factor structure, individual differences, and interventions. (SLD)

This report provides a statistical profile for thinking about education and development decisions in North Carolina. It profiles the state primarily in terms of population patterns, economy, labor force, education, and environment; secondarily in terms of health and social services, infrastructure and aspects of government performance. State and…