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Download full textGuo, Hongwen; Liu, Jinghua; Curley, Edward; Dorans, Neil – ETS Research Report Series, 2012
This study examines the stability of the "SAT Reasoning Test"™ score scales from 2005 to 2010. A 2005 old form (OF) was administered along with a 2010 new form (NF). A new conversion for OF was derived through direct equipercentile equating. A comparison of the newly derived and the original OF conversions showed that Critical Reading…
Descriptors: Aptitude Tests, Cognitive Tests, Thinking Skills, Equated Scores
Oh, Hyeonjoo J.; Guo, Hongwen; Walker, Michael E. – ETS Research Report Series, 2009
Issues of equity and fairness across subgroups of the population (e.g., gender or ethnicity) must be seriously considered in any standardized testing program. For this reason, many testing programs require some means for assessing test characteristics, such as reliability, for subgroups of the population. However, often only small sample sizes are…
Descriptors: Standardized Tests, Test Reliability, Sample Size, Bayesian Statistics
