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Alghamdi, Fatimah M. A. – English Language Teaching, 2016
There is consensus among those involved in teaching English as a foreign language (EFL) in the Saudi educational context that students' achievement in language learning is below expectations. Much research has been directed towards finding the reasons for low achievement amongst learners. However, very few studies have looked at parameters of…
Descriptors: Foreign Countries, Independent Study, English (Second Language), Second Language Instruction
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Dimitrov, Dimiter M. – Educational and Psychological Measurement, 2016
This article describes an approach to test scoring, referred to as "delta scoring" (D-scoring), for tests with dichotomously scored items. The D-scoring uses information from item response theory (IRT) calibration to facilitate computations and interpretations in the context of large-scale assessments. The D-score is computed from the…
Descriptors: Scoring, Equated Scores, Test Items, Measurement
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Sideridis, Georgios D.; Tsaousis, Ioannis; Al-harbi, Khaleel A. – Journal of Psychoeducational Assessment, 2015
The purpose of the present study was to extend the model of measurement invariance by simultaneously estimating invariance across multiple populations in the dichotomous instrument case using multi-group confirmatory factor analytic and multiple indicator multiple causes (MIMIC) methodologies. Using the Arabic version of the General Aptitude Test…
Descriptors: Semitic Languages, Aptitude Tests, Error of Measurement, Factor Analysis
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Maij-de Meij, Annette M.; Kelderman, Henk; van der Flier, Henk – Multivariate Behavioral Research, 2010
Usually, methods for detection of differential item functioning (DIF) compare the functioning of items across manifest groups. However, the manifest groups with respect to which the items function differentially may not necessarily coincide with the true source of the bias. It is expected that DIF detection under a model that includes a latent DIF…
Descriptors: Test Bias, Item Response Theory, Models, Aptitude Tests
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Beach, David Thomas – Rehabilitation Counseling Bulletin, 2009
This study used records from a state-operated comprehensive rehabilitation center to investigate possible predictive factors related to completing comprehensive rehabilitation center programs and successful vocational rehabilitation (VR) case closure. An analysis of demographic data of randomly selected comprehensive rehabilitation center…
Descriptors: Psychological Services, Rehabilitation Centers, Rural Areas, Vocational Rehabilitation
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Reid, Christine A.; Kolakowsky-Hayner, Stephanie A.; Lewis, Allen N.; Armstrong, Amy J. – Rehabilitation Counseling Bulletin, 2007
Item response theory (IRT) methodology is introduced as a tool for improving assessment instruments used with people who have disabilities. Need for this approach in rehabilitation is emphasized; differences between IRT and classical test theory are clarified. Concepts essential to understanding IRT are defined, necessary data assumptions are…
Descriptors: Psychometrics, Methods, Item Response Theory, Aptitude Tests
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Dolan, Conor V.; Roorda, Willemijn; Wicherts, Jelte M. – Intelligence, 2004
Spearman's hypothesis states that the differences between Blacks and Whites in psychometric IQ are attributable to a fundamental difference in general intelligence ("g"). To investigate this hypothesis, Jensen devised the method of correlated vectors. This method involves calculating the correlation between the factor loadings of the…
Descriptors: Psychometrics, Intelligence Quotient, Intelligence Differences, Hypothesis Testing
Bishop, John – 1989
Greater use of employment tests for selecting workers will mean that rewards for developing competencies measured by the tests will rise, increasing the supply of workers with the skills. Greater use of tests to select workers will also change the sorting of workers across jobs. The impact on total output will depend on the extent to which the…
Descriptors: Economic Factors, Estimation (Mathematics), Females, Labor Force
Kriley, Pat – 1999
An adult educator in Butler, Pennsylvania, noticed that, although students who took the General Aptitude Test Battery (GATB) seemed highly motivated to improve their basic skills in mathematics and spatial relations, only 2 of her 20 students who took the GATB made a concerted effort to develop their vocabulary. Thinking that those two students…
Descriptors: Action Research, Adult Basic Education, Adult Literacy, Cooperative Learning
Phelps, Richard P. – 1999
It has been proposed that the federal government's General Aptitude Test Battery (GATB) might be used to provide private employers with the same kind of useful information the federal government and college counselors receive about job applicants. The U.S. Department of Labor asked the National Research Council (NRC) to review the issues related…
Descriptors: Aptitude Tests, Bias, Employers, Evaluation Problems
Hartigan, John A., Ed.; Wigdor, Alexandra K., Ed. – 1989
Undertaken at the request of the U.S. Employment Service (USES), this study assesses the validity and fairness of the General Aptitude Test Battery (GATB). The U.S. Department of Labor is considering whether to promote the use of the GATB throughout the USES to screen many of the 19 million persons passing through the system annually in search of…
Descriptors: Culture Fair Tests, Employment, Job Placement, Minority Groups
Utah State Dept. of Employment Security, Salt Lake City. Western Test Development Field Center. – 1982
Four research papers on the evaluation of the Utah State Department of Employment Security's (USES's) General Aptitude Test Battery (GATB) for the deaf are presented. The studies were conducted by the test research staff of the Employment Security Commission of North Carolina from 1970 to 1979. The studies contain not only the analyses on which…
Descriptors: Aptitude Tests, Deafness, Educational Research, Employment Services
Hunter, John E. – 1983
The economic impact of optimal selection using ability tests is far higher than is commonly known. For small organizations, dollar savings from higher productivity can run into millions of dollars a year. This report estimates the potential savings to the Federal Government as an employer as being 15.61 billion dollars per year if tests were given…
Descriptors: Ability Identification, Aptitude Tests, Cost Effectiveness, Cutting Scores
Swarthout, David; Synk, David J. – 1987
Meta-analytic techniques were used to analyze the effects of age, education, and work experience on General Aptitude Test Battery (GATB) validities and test scores. The sample consisted of 30,568 subjects from 143 Specific Aptitude Test Battery (SATB) validation or revalidation studies analyzed since 1972. The effect of these three variables on…
Descriptors: Adults, Age, Aptitude Tests, Correlation
Synk, David J.; Swarthout, David – 1987
Meta-analytic research techniques were used to compare the General Aptitude Test Battery (GATB) validities of blacks and non-minorities. The sample consisted of 7,854 black and 15,769 non-minority subjects from 113 Specific Aptitude Test Battery (SATB) validation studies analyzed since 1972. The first approach was to compare average validities…
Descriptors: Adults, Aptitude Tests, Blacks, Chi Square
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