The objective of the present study was to evaluate the extent to which students who took a computer adaptive test of reading comprehension accounting for testlet effects were administered fewer passages and had a more precise estimate of their reading comprehension ability compared to students in the control condition. A randomized controlled…

This study explored the relationship between the reading ability and science achievement of students in grades 5, 8, and 9. Reading ability was assessed with four measures: word recognition, vocabulary, syntactic knowledge, and comprehension (23% of all passages were on science topics). Science achievement was assessed with state…

The purpose of this project was to examine group- and individual-level responses by struggling adolescents readers (6th-8th grades; N = 155) to three different modalities of the same reading program, Reading Achievement Multi-Component Program. The three modalities differ in the combination of reading components (phonological decoding, spelling,…