Using Moderator Analysis to Identify the First-Grade Children Who Benefit More and Less From a Reading Comprehension Program: A Step Toward Aptitude-by-Treatment Interaction

Because of the importance of teaching reading comprehension to struggling young readers and the infrequency with which it has been implemented and evaluated, we designed a comprehensive first-grade reading comprehension program. We conducted a component analysis of the program’s decoding/fluency and reading comprehension dimensions (DF and COMP), creating DF and DF+COMP treatments to parse the value of COMP. Students ( N = 125) were randomly...