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Payne, J. Scott; San Pedro, Sweet Z.; Moore, Raeal; Sanchez, Edgar I. – ACT, Inc., 2020
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…
Descriptors: Test Preparation, Testing Programs, State Programs, School Districts
Kang, Taehoon; Chen, Troy T. – ACT, Inc., 2007
Orlando and Thissen (2000, 2003) proposed an item-fit index, S-X[superscript 2], for dichotomous item response theory (IRT) models, which has performed better than traditional item-fit statistics such as Yen's (1981) Q[subscript 1] and McKinley and Mill's (1985) G[superscript 2]. This study extends the utility of S-X[superscript 2] to polytomous…
Descriptors: Item Response Theory, Models, Computer Software, Statistical Analysis
ACT, Inc., 2007
The materials in this College Planning Guide support a 40-50 minute general college planning presentation. It is most effective when delivered to high school juniors (and their parents) in the spring. It can also be used in the fall with seniors or with sophomores and their parents who desire an overview of the college planning process. The…
Descriptors: Planning, Guidelines, High School Students, College Attendance


