Accelerated Reader, a supplemental reading program that features independent-reading practice and assessment on computers, had an insignificant impact on reading fluency, mixed results on comprehension, and some positive effects on general reading achievement, according to a review by the What Works Clearinghouse.
Of the 62 studies of the commercial reading program screened by the federal clearinghouse, just two met its standard for evidence of effectiveness.
The review included an analysis of research on Accelerated Reader Best Classroom Practices, which recommends instructional principles, such as a 30- to 60-minute reading block, and analysis of students’ quiz grades.
Reading fluency and comprehension was measured for 3rd graders using standardized literacy assessments. Combined results for K-3 students showed significant improvements in general reading achievement over time.
A version of this article appeared in the October 22, 2008 edition of Education Week