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ERIC Number: ED092605
Record Type: Non-Journal
Publication Date: 1974
Reference Count: N/A
Anchor Test Study. Final Report. Volume 4, Equating Tables, Error of Equating, and Correlations, Grade 6.
Bianchini, John C.; Loret, Peter G.
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 alternate form reliability for each test, provides estimates of the intercorrelations among the tests, and explores empirically some methodological questions in test-equating. Included in this volume are equating tables, tables of estimates of equating error, and correlation tables for Grade 6 in vocabulary, reading comprehension, and total reading. Linear and equipercentile equating methods are used. Data are reported for the following seven tests: California Achievement Tests (1970), Comprehensive Tests of Basic Skills (1968), Iowa Test of Basic Skills (1971), Metropolitan Achievement Tests (1970), Sequential Tests of Educational Progress (1969), SRA Achievement Series (1971), and Stanford Achievement Tests (1964). Equating and norming data on the eighth test in the Study, the Gates MacGinitie (1964), are included in volumes 31, 32, and 33 of the Anchor Test Study. (RC)
Publication Type: Numerical/Quantitative Data
Education Level: N/A
Sponsor: Office of Education (DHEW), Washington, DC.
Authoring Institution: Educational Testing Service, Berkeley, CA.
Identifiers - Assessments and Surveys: Comprehensive Tests of Basic Skills; Iowa Tests of Basic Skills; Metropolitan Achievement Tests; California Achievement Tests; Sequential Tests of Educational Progress; SRA Achievement Series; Stanford Achievement Tests