This brief provides a summary of the validity of Istation ISIP Early Reading scores in predicting students' performance levels on the Idaho Standards Achievement Test (ISAT) in English language arts (ELA). This correlational study analyzed how well third grade students' winter performance on the ISIP Early Reading test predicted their spring…

Background: In an ongoing effort to improve teacher quality, most states require continuing education or professional development for their in-service teachers. Studies evaluating the effectiveness of various professional development programs have assumed a normal distribution of quality of teachers participating in the programs. Because…

U.S. social programs, set up to address important problems, often fall short by funding specific models/strategies ("interventions") that are not effective. When evaluated in scientifically-rigorous studies, social interventions in K-12 education, job training, crime prevention, and other areas are frequently found ineffective or…