There is considerable variability in the literacy assessments taken in Kindergarten through second grade, across schools and between multilingual learners and other students, and within students over time. This makes it difficult to study changes in students' acquisition of ELA skills in these formative years, or to evaluate policies and practices…

Social skills are dynamic developmental constructs typically measured using assessments developed via cross-sectional methods. The measurement model of derivatives (MMOD), a factor analytic approach targeting individual growth trajectories, was used to evaluate the longitudinal factor structure of the Social Skills Improvement System--Rating…

State leaders have long recognized the value of statewide tests. Many had well-developed testing systems long before the No Child Left Behind Act, signed in 2002, required annual assessments in grades 3-8. Another sign of that recognition is the recent plethora of new state testing requirements for K-3 students. But would states continue to test…