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Steelman, Lala Carr; Powell, Brian; Carini, Robert M. – Harvard Educational Review, 2000
Comparison of standardized test scores and degree of teacher unionization in states found a statistically significant and positive relationship between the presence of teacher unions and stronger state performance on tests. Taking into account the percentage of students taking the tests, states with greater percentages of teachers in unions…
Descriptors: Academic Achievement, Scores, Secondary Education, Teachers
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Powell, Brian; Steelman, Lala Carr – Harvard Educational Review, 1996
Updates an earlier study by reanalyzing interstate variations in Scholastic Aptitude Test and American College Test scores. Reaffirms the conclusion that state rankings based on such scores change dramatically when adjusted for number of test takers or class rank of test-taking population. Finds that public expenditures are positively related to…
Descriptors: Comparative Analysis, Educational Quality, Scores, State Programs
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Powell, Brian; Steelman, Lala Carr – Harvard Educational Review, 1984
The authors attempt to show how the dissemination of uncorrected state Scholastic Aptitude Test (SAT) scores may have created an inaccurate public and governmental perception of the variation in educational quality. Their research demonstrates that comparing state SAT averages is ill-advised unless these ratings are corrected for compositional and…
Descriptors: Demography, Educational Quality, Institutional Characteristics, Mathematics Achievement
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Powell, Brian; Steelman, Lala Carr – Harvard Educational Review, 1983
Investigates the reliability and validity of the Law School Admission Test (LSAT). Presents evidence illustrating the potential for considerable inequity: LSAT scores appear to be influenced both by the version of the exam taken and by the presence or absence of short-term coaching. (SK)
Descriptors: College Entrance Examinations, Postsecondary Education, Scores, Standardized Tests