As the global economy transforms into a knowledge-based society with an enhanced focus on information and innovation, success will depend on the ability of global citizens to work effectively with knowledge and technology (Drucker, 1993; Sawyer, 2006; Schwab, 2017). Working effectively with knowledge and technology requires thinking critically and…

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…

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…

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…

A hallmark of the US education system is the opportunity afforded to students to pursue education and career paths of their own choosing. This flexibility and autonomy, however, has drawbacks. Students must navigate a series of complex and often disconnected environments, as well as numerous decision points, before they attain a fulfilling career.…

The most critical feature of a common-item nonequivalent groups equating design is that the average score difference between the new and old groups can be accurately decomposed into a group ability difference and a form difficulty difference. Two widely used observed-score linear equating methods, the Tucker and the Levine observed-score methods,…

Accountability in the nation's public schools has become a matter of considerable urgency since the 2001 amendment of the federal Elementary and Secondary Education Act (ESEA) of 1965. Under this most recent version of the ESEA, as of the 2007-08 academic year states and districts must assess the mathematics and reading proficiency of students…