When applicants take the ACT® more than once, how do colleges and universities reconcile and make sense of the multiple scores? In terms of validity, fairness, and impact on subgroup differences, are certain score-use polices better than others? The focus of this issue brief is to summarize evidence on the validity and fairness of various…

Standardized tests like the ACT® provide a common basis for comparison of students across schools and states and have been a key point of consideration in postsecondary admissions for over 60 years. Research has shown that, in general, test preparation has a small but positive effect on standardized test scores. In this study, we focused on how…

Formally launched in September 2018, the ACT® Certified Educator™ program is a professional learning and credentialing program designed to help educators improve their teaching and tutoring strategies and skills and be fully equipped to support student learning in the core content areas of the ACT® test. In this study, participants' views of the…

High-stakes, standardized testing plays an important role in the lives of many students as they apply to college and compete for scholarships. In states where college readiness measures, like the ACT® test, are used for school and district accountability, the ACT scores of all students, whether college-bound or not, are a top priority for school…

The percentage of students retaking college admissions tests is rising (Harmston & Crouse, 2016). Researchers and college admissions offices currently use a variety of methods for summarizing these multiple scores. Testing companies, interested in validity evidence like correlations with college first-year grade-point averages (FYGPA), often…

Professional standards for educational testing recommend that both the overall standard error of measurement and the conditional standard error of measurement (CSEM) be computed on the score scale used to report scores to examinees. Several methods have been developed to compute scale score CSEMs. This paper compares three methods, based on…

Education officials and journalists frequently track changes over time in the average ACT® College Readiness Assessment Composite scores and ACT College Readiness Benchmark attainment rates of individual high schools. Using standard statistical methods, I examined how often changes in these statistics are unambiguously positive or negative, rather…

ACT conducts the only nationwide curriculum survey that empirically identifies current instructional practices and postsecondary expectations in order to develop tests that measure critical skills and knowledge. Every three years, it surveys thousands of middle school/junior high school, secondary, and postsecondary teachers in English/writing,…