From the study: "The study followed a quasi-experimental pretest/posttest design. Eight schools in six different states agreed to participate. One or more teachers in each of the eight schools agreed to useThe Word Up Project during the 2008-2009 academic year. The goal was to determine if the vocabulary achievement of students who received instruction using The Word Up Project increased significantly by the end of the school year."The full ssummary of this study is available online: <https://flocabulary.s3.amazonaws.com/pdfs/flat/efficacy-study-summary.pdf>

From the report: "Flocabulary, an educational publisher, contracted with the Educational Research Institute of America (ERIA) to conduct an instructional validation study of its grades 3 to 8 language arts program, The Word Up Project, in eight school sites across the country. Flocabulary sought to determine the extent to which The Word Up Project, a program designed to support students’ vocabulary development, reading comprehension, and critical thinking skills, improves students' language arts skills as measured by state language arts tests."The full ssummary of this study is available online: <https://flocabulary.s3.amazonaws.com/pdfs/flat/state-test-study-summary.pdf>