Piecewise latent class growth analysis (LCGA) was used to examine growth patterns in reading comprehension and passage reading fluency on easyCBM, a popular formative assessment system. Unlike conventional growth modeling, LCGA takes into account the heterogeneity of growth and may provide reliable predictions for later development. Because…

Three concurrent validity studies were conducted to determine the relationship between performances on formative measures of reading and standardized achievement measures of reading. Correlational analyses for five formative measures and three standardized measures provided evidence for the validity of Words in Isolation, Words in Context, and…

Dimensions of instruction and assessment were manipulated within a tertiary prevention to examine their effects on word and text reading development. In this article case studies of two children who demonstrated significant and sustained lack of adequate response to treatment are profiled. Results indicated that reducing group size, using…