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The Peabody Individual Achievement Test is a criterion based survey of an individual’s scholastic attainment. It can be administered to individuals between the ages of five and 22 years of age, and returns a grade range between Kindergarten and grade 12. The test is available in English and Spanish. The most recent version of this test, created by Frederick C. Markwardt Jr. and published by Pearson American Guidance Service. is entitled ''Peabody Individual Achievement Test-Revised/Normative Update (PIAT-R/NU)''. It is individually administered and norm referenced. Administration time may vary depending on the age of the student but it takes approximately 60 minutes. The PIAT-R/NU assesses basic academic skills in the areas of general information, reading,〔(Suggested Assessment Measures ). Georgia State University.〕 writing, and mathematics. == History == The original assessment, the Peabody Individual Achievement Test (PIAT) was published in 1970. The PIAT was later revised and in 1989 the PIAT-R was published which was the result of this revision. The sample for the standardization of the PIAT-R was based on the 1985 U.S. Census. 1,563 students, ages 5–19 years old, from both public and private schools across the United States of America were included for the standardization.〔 Students enrolled in special education classes were excluded from the sample. The sample was balanced by; sex, race and socioeconomic level. Between the years of 1995-1996 the PIAT-R was restandardized as part of a renorming program which included other assessments in use at the time.〔 The new version, PIAT-R/NU, included an older age group. The 18-22 year old group from the sample included students in high school, 2- year colleges, 4-year colleges, as well as some nonstudents.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Peabody Individual Achievement Test」の詳細全文を読む スポンサード リンク
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