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Tong, Ye; Kolen, Michael J. – Educational Measurement: Issues and Practice, 2010
"Scaling" is the process of constructing a score scale that associates numbers or other ordered indicators with the performance of examinees. Scaling typically is conducted to aid users in interpreting test results. This module describes different types of raw scores and scale scores, illustrates how to incorporate various sources of…
Descriptors: Test Results, Scaling, Measures (Individuals), Raw Scores

Baglin, Roger F. – Journal of Educational Measurement, 1986
Norm-referenced standardized achievement tests are designed for obtaining group scores which can vary widely, depending on not only the measure of central tendency but also the type of derived score employed. This situation is hypothesized to be the result of using inappropriate statistical procedures to develop publishers' scaled scores.…
Descriptors: Achievement Tests, Elementary Secondary Education, Latent Trait Theory, Norm Referenced Tests
Tong, Ye; Kolen, Michael – Applied Psychological Measurement, 2005
The performance of three equating methods--the presmoothed equipercentile method, the item response theory (IRT) true score method, and the IRT observed score method--were examined based on three equating criteria: the same distributions property, the first-order equity property, and the second-order equity property. The magnitude of the…
Descriptors: True Scores, Criteria, Raw Scores, Item Response Theory
Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Correlation, Equated Scores, Grade 4, Measurement Techniques

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Correlation, Equated Scores, Grade 5, Measurement Techniques

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Correlation, Equated Scores, Grade 6, Measurement Techniques
Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Comparative Analysis, Equated Scores, Grade 4, Graphs

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Comparative Analysis, Equated Scores, Grade 4, Graphs

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Comparative Analysis, Equated Scores, Grade 5, Graphs

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Comparative Analysis, Equated Scores, Grade 5, Graphs

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Comparative Analysis, Equated Scores, Grade 6, Graphs

Bianchini, John C.; Loret, Peter G. – 1974
The Anchor Test Study provides a method for translating a pupil's score on any one of eight widely used standardized reading tests for Grades 4, 5, and 6 to a corresponding score of any of the other seven tests, as well as furnishing new nationally representative norms for each of the eight tests. In addition, the Study presents new estimates of…
Descriptors: Comparative Analysis, Equated Scores, Grade 6, Graphs
Plake, Barbara S.; Hoover, H. D. – 1977
To determine if equal raw scores have the same "meaning" for students tested "in" and "out-of-level," four "out-of-level" grade groups who took the Vocabulary, Reading, and Mathematics Concepts subtests of the Iowa Tests of Basic Skills typically administered to fifth graders were compared to "in…
Descriptors: Achievement Tests, Analysis of Variance, Elementary Education, Grade 4
Applebaum, Wayne R. – 1979
The Rasch model was used to compare the grade equivalent scores which students of equal ability would have obtained, had they taken different levels of the Iowa Tests of Basic Skills (ITBS). Raw scores on items common to levels 9-14 of the ITBS (vocabulary subtest) were obtained from 6,000 students in Dallas, Texas. Rasch scales were used to…
Descriptors: Academic Ability, Achievement Tests, Educational Testing, Equated Scores
Ligon, Glynn; Battaile, Richard – 1986
In certain situations, grade equivalent scores are the most appropriate statistic available for reporting achievement test data. It is noted that testing practitioners have found that raw scores, normal curve equivalents, stanines, and standard scores are very useful. However, it is best to convert to either grade equivalents or percentiles before…
Descriptors: Achievement Tests, Elementary Secondary Education, Grade Equivalent Scores, Measurement Objectives