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Akin-Arikan, Çigdem; Gelbal, Selahattin – Eurasian Journal of Educational Research, 2021
Purpose: This study aims to compare the performances of Item Response Theory (IRT) equating and kernel equating (KE) methods based on equating errors (RMSD) and standard error of equating (SEE) using the anchor item nonequivalent groups design. Method: Within this scope, a set of conditions, including ability distribution, type of anchor items…
Descriptors: Equated Scores, Item Response Theory, Test Items, Statistical Analysis
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Wallin, Gabriel; Wiberg, Marie – Journal of Educational and Behavioral Statistics, 2019
When equating two test forms, the equated scores will be biased if the test groups differ in ability. To adjust for the ability imbalance between nonequivalent groups, a set of common items is often used. When no common items are available, it has been suggested to use covariates correlated with the test scores instead. In this article, we reduce…
Descriptors: Equated Scores, Test Items, Probability, College Entrance Examinations
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Akin Arikan, Çigdem; Gelbal, Selahattin – International Journal of Assessment Tools in Education, 2018
In this study, the equated score results of the kernel equating (KE) method compared with the results of traditional equating methods--equipercentile and linear equating and 9th grade 2009 ÖBBS Form B of Social Sciences and 2009 ÖBBS Form D of Social Sciences was used under an equivalent groups (EG) design. Study sample consists of 16.249 students…
Descriptors: Equated Scores, Methods, Foreign Countries, National Competency Tests
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Akin Arikan, Cigdem – Eurasian Journal of Educational Research, 2019
Problem Statement: Equating can be defined as a statistical process that allows modifying the differences between test forms with similar content and difficulty so that the scores obtained from these forms can be used interchangeably. In the literature, there are many equating methods, one of which is Kernel equating. Trends in International…
Descriptors: Equated Scores, Foreign Countries, Achievement Tests, International Assessment
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Becker, Paul; Medwid, Mark – PRIMUS, 2021
Almost all finite groups encountered by undergraduates can be represented as multiplicative groups of concise block-diagonal binary matrices. Such representations provide simple examples for beginning a group theory course. More importantly, these representations provide concrete models for "abstract" concepts. We describe Maple lab…
Descriptors: College Mathematics, Mathematics Instruction, Undergraduate Students, Assignments
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Wiberg, Marie – Practical Assessment, Research & Evaluation, 2021
The overall aim was to examine the equated values when using different linkage plans and different observed-score equipercentile equating methods with the equivalent groups (EG) design and the nonequivalent groups with anchor test (NEAT) design. Both real data from a college admissions test and simulated data were used with frequency estimation,…
Descriptors: Equated Scores, Test Items, Methods, College Entrance Examinations
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Altintas, Ozge; Wallin, Gabriel – International Journal of Assessment Tools in Education, 2021
Educational assessment tests are designed to measure the same psychological constructs over extended periods. This feature is important considering that test results are often used for admittance to university programs. To ensure fair assessments, especially for those whose results weigh heavily in selection decisions, it is necessary to collect…
Descriptors: College Admission, College Entrance Examinations, Test Bias, Equated Scores
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Oral, Sevket Benhur – Interchange: A Quarterly Review of Education, 2017
In this article, the thesis that moral education is best served through education for irreligious thinking will be put forward. At stake here is the acknowledgment of a disquieting kernel at the deepest level of thinking that is usually glossed over or sedated. I will attempt to confront and articulate this kernel and discuss its repercussions for…
Descriptors: Ethical Instruction, Moral Values, Educational Objectives, Hermeneutics
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Kim, Peter – International Journal of Language Testing, 2021
Placing non-native speakers of English into appropriate classes involves mapping placement test scores onto proficiency levels based on predetermined cut scores. However, studies on how to set boundaries for different levels of proficiency have been lacking in the language testing literature. A top-down approach to standard setting in which a…
Descriptors: Cutting Scores, Guidelines, Computational Linguistics, English (Second Language)
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Wiberg, Marie; van der Linden, Wim J.; von Davier, Alina A. – Journal of Educational Measurement, 2014
Three local observed-score kernel equating methods that integrate methods from the local equating and kernel equating frameworks are proposed. The new methods were compared with their earlier counterparts with respect to such measures as bias--as defined by Lord's criterion of equity--and percent relative error. The local kernel item response…
Descriptors: Measurement Techniques, Evaluation Methods, Item Response Theory, Equated Scores
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Esentas, Melike; Özbey, Selhan; Güzel, Pinar – Journal of Education and Training Studies, 2017
This study aims to determine the role of youth camp practices, organised by the Ministry of Youth and Sports, in the development of self-awareness and leadership skills of female students participating in youth camps. As a result of analysis of the data collected with triangulation method--observation, focus group discussions and document…
Descriptors: Outdoor Education, Females, Foreign Countries, Leadership Qualities
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Falk, Carl F.; Feuerstahler, Leah M. – Educational and Psychological Measurement, 2022
Large-scale assessments often use a computer adaptive test (CAT) for selection of items and for scoring respondents. Such tests often assume a parametric form for the relationship between item responses and the underlying construct. Although semi- and nonparametric response functions could be used, there is scant research on their performance in a…
Descriptors: Item Response Theory, Adaptive Testing, Computer Assisted Testing, Nonparametric Statistics
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Olney, Andrew M.; Hosman, Eric; Graesser, Art; D'Mello, Sidney K. – Grantee Submission, 2017
We conducted a pilot study that used kernel-level packet capture to record the web pages visited by college students and the reading difficulty of those pages. Our results indicate that i) no students were fully compliant in their participation, ii) the number of texts encountered by participants was highly skewed, iii) the reading difficulty of…
Descriptors: College Students, Electronic Publishing, Web Sites, Difficulty Level
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Schildroth, Samantha; Friedman, Alexa; Bauer, Julia Anglen; Claus Henn, Birgit – New Directions for Child and Adolescent Development, 2022
Iron is needed for normal development in adolescence. Exposure to individual environmental metals (e.g., lead) has been associated with altered iron status in adolescence, but little is known about the cumulative associations of multiple metals with Fe status. We used data from the 2017-2018 National Health and Nutrition Examination Survey…
Descriptors: Nutrition, National Surveys, Adolescent Development, Hazardous Materials
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Collova, Jemma R.; Jeffery, Linda; Rhodes, Gillian; Bothe, Ellen; Sutherland, Clare A. M. – Developmental Psychology, 2021
Adults teach children not to "judge a book by its cover." However, adults make rapid judgments of character from a glance at a child's face. These impressions can be modestly accurate, suggesting that adults may be sensitive to valid signals of character in children's faces. However, it is not clear whether such sensitivity requires…
Descriptors: Nonverbal Communication, Shyness, Personality Traits, Emotional Response
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