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Comparing Measurement Reliability Estimation Techniques: Correlation Coefficient vs. Bland-Altman Plot
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Tülin Otbiçer Acar – Measurement: Interdisciplinary Research and Perspectives, 2024
The aim of this study is to compare the results of correlation coefficient estimation of reliability with those obtained through the Bland-Altman plot technique. The scale was first divided into two halves using three different approaches. A linear and high-level relationship was found between the scale scores obtained from the halved forms.…
Descriptors: High School Students, Measurement Techniques, Psychometrics, Comparative Testing
Assessing the Contribution of Measures of Attention and Executive Function to Diagnosis of ADHD or Autism
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Kelsey Harkness; Signe Bray; Chelsea M. Durber; Deborah Dewey; Kara Murias – Journal of Autism and Developmental Disorders, 2025
Attention and executive function (EF) dysregulation are common in a number of disorders including autism and attention-deficit/hyperactivity disorder (ADHD). Better understanding of the relationship between indirect and direct measures of attention and EF and common neurodevelopmental diagnoses may contribute to more efficient and effective…
Descriptors: Adolescents, Autism Spectrum Disorders, Attention Deficit Hyperactivity Disorder, Executive Function
Design of Value-Added Models for IMPACT and TEAM in DC Public Schools, 2010-2011 School Year. Final Report
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Isenberg, Eric; Hock, Heinrich – Mathematica Policy Research, Inc., 2011
This report presents the value-added models that will be used to measure school and teacher effectiveness in the District of Columbia Public Schools (DCPS) in the 2010-2011 school year. It updates the earlier technical report, "Measuring Value Added for IMPACT and TEAM in DC Public Schools." The earlier report described the methods used…
Descriptors: Public Schools, Teacher Effectiveness, School Effectiveness, Models
Tests in Europe: Where We Are and Where We Should Go
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Elosua, Paula; Iliescu, Dragos – International Journal of Testing, 2012
Psychometric practice does not always converge with the advances of psychometric theory. In order to investigate this gap, the authors focus on the 10 most used psychological tests in Europe, as identified by recent surveys. The article analyzes test manuals published in 6 different European countries for these 10 most used tests. A total of 32…
Descriptors: Psychological Testing, Personality Measures, Error of Measurement, Foreign Countries
Reliability Analysis for the Internationally Administered 2002 Series GED Tests. GED Testing Service[R] Research Studies, 2009-3
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Setzer, J. Carl; He, Yi – GED Testing Service, 2009
Reliability Analysis for the Internationally Administered 2002 Series GED (General Educational Development) Tests Reliability refers to the consistency, or stability, of test scores when the authors administer the measurement procedure repeatedly to groups of examinees (American Educational Research Association [AERA], American Psychological…
Descriptors: Educational Research, Error of Measurement, Scores, Test Reliability
An Information Comparison of Conventional and Adaptive Tests in the Measurement of Classroom Achievement. Research Report 77-7.
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Bejar, Isaac I.; And Others – 1977
Information provided by typical and improved conventional classroom achievement tests was compared with information provided by an adaptive test covering the same subject matter. Both tests were administered to over 700 college students in a general biology course. Using the same scoring method, adaptive testing was found to yield substantially…
Descriptors: Academic Achievement, Achievement Tests, Adaptive Testing, Biology