Factors that influence the sample size necessary for longitudinal evaluations include the nature of the evaluation questions, nature of available comparison groups, consistency of the treatment in different sites, effect size, attrition rate, significance level for statistical tests, and statistical power. (Author/GDC)

Describes the evolution of national educational assessment in the United States, its present stage of development, methodological and reporting problems, and approaches applicable to assessment data. Examines how proposed approaches can be applied in the California Assessment Program and in the National Assessment of Educational Progress. (MJL)

The Goal 1 Technical Planning Subgroup proposed an early childhood assessment system that involved assessment of children before they entered kindergarten, at the time of entrance into kindergarten, and during the kindergarten year. The report that contained the proposal, and requests for feedback, were disseminated to nearly 1,000 individuals and…

A technology for domain or criterion referenced testing was developed to evaluate the Minnesota Mathematics and Science Teaching Project (MINNEMAST) in grades K-6. The venture was influenced by the low achievement of MINNEMAST students on standardized tests. After instructional objectives were selected and operationally defined, corresponding test…