The document summarizes research on teaching reading. It identifies several factors that impact reading instruction, including student proficiency, age, first language, motivation, cognitive processing abilities, teacher skills, and institutional settings. It also outlines various abilities needed for effective reading comprehension, such as word recognition fluency, vocabulary, background knowledge, language skills, comprehension strategies, understanding text structure, strategic reading skills, reading fluency, extensive reading practice, and intrinsic motivation. Finally, it lists specific instructional techniques and approaches that can be used to develop these abilities and promote reading comprehension.