The Robustness of the Graduation Rate Performance Indicators Used in the U.S. News and World Report College Rankings.Reportar como inadecuado




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This study examined the robustness of the "U.S. News and World Report" graduation rate performance indicator used in the magazine's college rankings. The graduation rate performance indicator is calculated as the difference between an institution's actual graduation rate and its predicted graduation rate, and is based on a linear regression equation controlling for student aptitude and institutional expenditures. Data were obtained for 198 of the 218 national universities used in the magazine's 1999 rankings. It was found that changes in the sample and variable definitions could cause the predicted graduation rate for an institution to fluctuate by plus or minus two percentage points. More refined model specifications reduced the number of institutions with extreme performance differences and could actually change the ranking of an institution from under-performance to over-performance, or vice versa. The use of confidence intervals for predicted graduation rates revealed that only about 5 percent of the institutions in the study had predicted graduation rates that differed significantly from their actual graduation rates. (Contains 34 references.) (MDM)

Descriptors: Graduation, Higher Education, Models, Performance Factors, Predictor Variables, Rating Scales, Statistical Analysis, Universities











Autor: Porter, Stephen R.

Fuente: https://eric.ed.gov/?q=a&ft=on&ff1=dtySince_1992&pg=12118&id=ED432176







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