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ERIC Number: ED157950
Record Type: RIE
Publication Date: 1977-Mar
Pages: 9
Abstractor: N/A
Reference Count: 0
Grade Equivalent Scores. If Not Grade Equivalent Scores--Then What? NCME Measurement in Education. A Series of Special Reports of the National Council on Measurement in Education.
Echternacht, Gary; Plas, Jeanne M.
NCME, v8 n2 Spr 1977
While most school districts believe they understand grade equivalent scores, teachers, parents, and measurement specialists frequently misinterpret this apparently simple statistical expression. Echternacht's article describes the construction, application, and interpretation of grade equivalent scores from the test publisher's perspective. Although publishers continue to provide this statistic, some urge the use of percentile standards or standard scores when evaluating and reporting test results to the public. Plas, reasoning that a test consumer should choose a statistic which represents relationships that are best understood by the user, discusses the relationships underlying the most commonly used statistics in standardized achievement testing. Of the five--raw score, T-score, stanine, percentile rank, and grade equivalent score--the latter two are the most easily misunderstood and misinterpreted. When the location of average range is mastered for each of the five statistical expressions, the test interpreter is free to decide whether an individual score represents average, below average, or above average performance. (CP)
NCME Special Publications, 202 S. Kedzie Hall, Michigan State University, East Lansing, Michigan 48824 ($l.50 ea., 25 or more copies, $0.75 ea.)
Publication Type: Journal Articles
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: ERIC Clearinghouse on Tests, Measurement, and Evaluation, Princeton, NJ.; National Inst. of Education (DHEW), Washington, DC.
Authoring Institution: National Council on Marine Resources and Engineering Development, Washington, DC.