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…

Statewide testing with college admissions exams dates to 2001, when Colorado and Illinois introduced the practice. Such testing expanded in subsequent years, and beginning in 2017--2018, the Every Student Succeeds Act (ESSA) allowed states to use a college admissions exam to meet accountability requirements for high schools. Some see this option…

Test preparation plays an important role in high-stakes standardized testing. While test preparation companies may claim large, at times unrealistic, gains associated with product use, much of which can be very costly, scientific research supports a more moderate impact of test preparation. ACT offers a number of test preparation opportunities for…

Test security has increased in importance in the last few years given high-profile cases of educator misconduct. This paper provides a review of state test security statutes and regulations related to statewide achievement testing using as a framework recent best practices reports by the U.S. Department of Education's National Center for Education…

This handbook is intended to help high school and college counselors effectively use and interpret ACT results. It contains four main sections: Section 1, "Components of the ACT," which contains general information about the ACT tests, probably will be of interest both to high school counselors and to college advisors and other staff. …

ACT maintains that monitoring academic strengths and weaknesses through the effective use of results from standardized tests can promote learning and intellectual growth. When schools use achievement test scores to guide curriculum choices and to provide feedback to students, opportunities for learning increase. The ACT Educational Planning and…

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,…

This paper compares three methods of item calibration--concurrent calibration, separate calibration with linking, and fixed item parameter calibration--that are frequently used for linking item parameters to a base scale. Concurrent and separate calibrations were implemented using BILOG-MG. The Stocking and Lord (1983) characteristic curve method…