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ERIC Number: ED561871
Record Type: Non-Journal
Publication Date: 2013-Oct
Pages: 6
Abstractor: ERIC
Reference Count: N/A
Performance by Subgroup: The Sum of the Parts Is Greater than the Whole. Research Brief. Volume 1302
Froman, Terry
Research Services, Miami-Dade County Public Schools
When comparing overall FCAT performance of the District to the State, the Miami-Dade County Public Schools District comes up a little short in Reading and barely higher in Math. However, when the comparisons to the State are confined within the typical subgroup categories, the District meets or exceeds the State's performance in all subgroups. This reversal in trend between the whole and the parts seems to defy common sense. How is it possible that the district appears better than the State in all subcategories but worse overall? This research brief attempts to explain how the incongruity between overall and part comparisons can take place and underlines the importance of considering subgroup breakdowns when assessing district performance.
Research Services, Miami-Dade County Public Schools. 1450 NE Second Avenue, Miami, FL 33132. Tel: 305-995-1000; Fax: 305-995-7521; Web site:
Publication Type: Reports - Research
Education Level: Elementary Secondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: Miami-Dade County Public Schools, Research Services
Identifiers - Location: Florida