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Oliveri, Maria Elena; Lawless, Rene; Robin, Frederic; Bridgeman, Brent – Applied Measurement in Education, 2018
We analyzed a pool of items from an admissions test for differential item functioning (DIF) for groups based on age, socioeconomic status, citizenship, or English language status using Mantel-Haenszel and item response theory. DIF items were systematically examined to identify its possible sources by item type, content, and wording. DIF was…
Descriptors: Test Bias, Comparative Analysis, Item Banks, Item Response Theory
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Ouko, Susan; Aurah, Catherine; Amadalo, Maurice – Journal of Education and Practice, 2015
The importance of raising students' competence in mathematics in a developing country such as Kenya cannot be overstated. This is because to produce professionals in areas such as engineering, medicine and accounting requires a good score in mathematics. Students that will further their studies in these areas will find that vectors is prerequisite…
Descriptors: Foreign Countries, Peer Teaching, Secondary School Students, Mathematics Achievement
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Hilgoe, Ellen; Brinkley, Jason; Hattingh, Johannes; Bernhardt, Robert – College Student Journal, 2016
Since its establishment in 1996, the North Carolina Early Mathematics Placement Testing (NC EMPT) Program has provided a low stakes reality check of readiness for college-level mathematics to more than 600,000 high school students statewide. The program strives to help reduce the percentage of incoming college freshmen requiring mathematics…
Descriptors: Mathematics Instruction, Mathematics Education, Introductory Courses, High School Students
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Moses, Tim; von Davier, Alina – Applied Psychological Measurement, 2011
Polynomial loglinear models for one-, two-, and higher-way contingency tables have important applications to measurement and assessment. They are essentially regarded as a smoothing technique, which is commonly referred to as loglinear smoothing. A SAS IML (SAS Institute, 2002a) macro was created to implement loglinear smoothing according to…
Descriptors: Statistical Analysis, Computer Software, Algebra, Mathematical Formulas
Anderson, Lezley Barker – ProQuest LLC, 2013
The purpose of this causal-comparative study was to examine whether differences exist in the mathematics achievement of fifth grade gifted students based on the instructional delivery model used for mathematics instruction, cluster or collaborative, as defined by the Georgia Department of Education. The content area of mathematics, an area…
Descriptors: Comparative Analysis, Grade 5, Elementary School Students, Academically Gifted
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Secolsky, Charles; Krishnan, Sathasivam; Judd, Thomas P. – Research in Higher Education Journal, 2013
The community colleges in the state of New Jersey went through a process of establishing statewide cut-off scores for English and mathematics placement tests. The colleges wanted to communicate to secondary schools a consistent preparation that would be necessary for enrolling in Freshman Composition and College Algebra at the community college…
Descriptors: Regression (Statistics), Cutting Scores, Community Colleges, Algebra
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McMurran, Shawnee L. – PRIMUS, 2010
This module was initially developed for a course in applications of mathematics in biology. The objective of this lesson is to investigate how the allele and genotypic frequencies associated with a particular gene might evolve over successive generations. The lesson will discuss how the Hardy-Weinberg model provides a basis for comparison when…
Descriptors: Population Trends, Mathematics Instruction, Biology, Genetics
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Barrett, David C.; Fish, Wade W. – International Journal of Special Education, 2011
This causal-comparative study evaluated a 30-week chess instructional program implemented within special education math classes for students in the sixth, seventh, and eighth grades in a suburban middle school located in the southwestern United States. An analysis of covariance (ANCOVA) was utilized to compare the adjusted means for the comparison…
Descriptors: Grades (Scholastic), Mathematics Achievement, Program Effectiveness, Statistical Analysis
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Yuan, Ke-Hai – Multivariate Behavioral Research, 2008
In the literature of mean and covariance structure analysis, noncentral chi-square distribution is commonly used to describe the behavior of the likelihood ratio (LR) statistic under alternative hypothesis. Due to the inaccessibility of the rather technical literature for the distribution of the LR statistic, it is widely believed that the…
Descriptors: Monte Carlo Methods, Graduate Students, Social Sciences, Data Analysis
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National Center for Education Statistics, 2011
Representative samples of fourth- and eighth-grade public school students from 21 urban districts participated in the 2011 National Assessment of Educational Progress (NAEP) in mathematics. Eighteen of the districts participating in the 2011 NAEP Trial Urban District Assessment (TUDA) participated in earlier assessment years, while three districts…
Descriptors: Achievement Gap, Algebra, Comparative Analysis, Disabilities
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Levine, Douglas W.; Rockhill, Beverly – Teaching Statistics: An International Journal for Teachers, 2006
We focus on the problem of ignoring statistical independence. A binomial experiment is used to determine whether judges could match, based on looks alone, dogs to their owners. The experimental design introduces dependencies such that the probability of a given judge correctly matching a dog and an owner changes from trial to trial. We show how…
Descriptors: Probability, Statistical Analysis, Hypothesis Testing, Mathematical Models
Sammon, John W., Jr. – 1968
This report explains the following mathematical techniques which may be used for relating search requests to documents contained in a library: (1) Boolean Algebraic Retrieval, (2) Linear Statistical Retrieval, (3) Statistical Association Techniques for expanding a query and/or for expanding the set of retrieval documents, (4) Vector Space…
Descriptors: Algebra, Indexing, Information Retrieval, Information Storage
Cabalo, Jessica Villaruz; Vu, Minh-Thien – Empirical Education Inc., 2007
The Maui Hawaii Educational consortium (the Maui School District and Maui Community College) sought scientifically based evidence for the effectiveness of the "Cognitive Tutor (CT) Algebra I Curriculum" to inform adoption decisions. Decision makers were particularly interested in whether the use of the "CT" program affects…
Descriptors: Access to Computers, Program Effectiveness, Algebra, Community Colleges
Statistical Reporting Service (USDA), Washington, DC. – 1974
Intended as a reference for the convenience of students in sampling, this monograph attempts to express relevant, introductory mathematics and probability in the context of sample surveys. Although some proofs are presented, the emphasis is more on exposition of mathematical language and concepts than on the mathematics per se and rigorous proofs.…
Descriptors: Agriculture, Algebra, Classification, Data Collection