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Download full textSchnieders, Joyce Z.; Moore, Joann L.; Herring, Jacob; Monroe, Mira – ACT, Inc., 2023
In recent years, schools and large-scale assessment developers across the United States have been providing English learners with language supports when they take tests to reduce construct-irrelevant variance, or errors in test scores due to factors that are extraneous to the construct being assessed (Thorndike et al., 1991). Some of these…
Descriptors: English Language Learners, Language Tests, Student Experience, Student Attitudes
Topczewski, Anna; Cui, Zhongmin; Woodruff, David; Chen, Hanwei; Fang, Yu – ACT, Inc., 2013
This paper investigates four methods of linear equating under the common item nonequivalent groups design. Three of the methods are well known: Tucker, Angoff-Levine, and Congeneric-Levine. A fourth method is presented as a variant of the Congeneric-Levine method. Using simulation data generated from the three-parameter logistic IRT model we…
Descriptors: Comparative Analysis, Equated Scores, Methods, Simulation
ACT, Inc., 2009
The ACT National Curriculum Survey is a one-of-a-kind nationwide survey of educational practices and expectations conducted by ACT every 3 to 5 years. ACT surveys thousands of middle school/junior high school, secondary, and postsecondary teachers in English/writing, reading (including English language arts and social studies teachers),…
Descriptors: National Surveys, Teacher Surveys, Teacher Attitudes, English Curriculum
