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PIAT-R

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Asheton Montgomery

on 7 February 2013

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Transcript of PIAT-R

PIAT-R Asheton Montgomery
EDFS 720
Spring 2013
Dr. Skinner RELIABILITY VALIDITY Content Construct Concurrent Summary Test-Retest Interrater Internal Consistency Info Peabody Individual
Achievement Test - Revised Author: Frederick C. Markwardt, Jr.

Publisher: Pearson Assessments

Publication Date:
1989 (content); 1997 (norm update) The PIAT-R is an individually administered multi-subject achievement test. Split-half reliability coefficients
Subtests: low to mid .90s
Composites: upper .90s

Kuder-Richardson reliability coefficients
Subtests: mid .90s
Written Expression
Level I: .60s
Level II: low .80s
Composites: upper .90s Grade norms
N=280, 2- to 4-week interval: correlations in the high .80s to mid .90s

Age norms
N=225, 2- to 4-week interval: correlations in the low to mid .90s Written Expression (Level II) reliabilities are .58 for Prompt A and .67 for Prompt B Reliability for the PIAT-R is consistent with requirements for a norm-referenced achievement test. Content follows blueprints established with help from expert curriculum consultants.

Item content drawn from grade-appropriate textbooks Subtests show appropriate pattern of correlations with other achievement measures. According to the publisher, concurrent validity is present for the PIAT-R as well. From the publisher “Peabody Individual Achievement Test-Revised-Normative Update (PIAT-R/NU) is an efficient individual measure of academic achievement. Reading, mathematics, and spelling are assessed in a simple, nonthreatening format that requires only a pointing response for most items. This multiple-choice format makes the PIAT-R ideal for assessing low functioning individuals or those with limited expressive abilities." PRIMARY PURPOSE: To evaluate students referred for special education SUBTESTS General Information
Reading Recognition
Reading Comprehension
Mathematics
Spelling
Written Expression Advantages Multiple choice (pointing) format is appropriate for many students with physical or communication disabilities
Manual provides explicit instructions on how to adapt the test
Scoring can be done manually by hand or by computer (ASSIST)
Simple and brief
Aids in forming a starting point - serves as a diagnostic tool
Reliability coefficients are high Limitations There is potential to misuse or misinterpret results
Should not be used as a diagnostic test for any of the content areas - subtests
Not designed to provide a highly precise assessment of achievement - should only serve as a starting point or tool
Not designed to test any certain curriculum in a certain school system - what the student has been exposed to should be examined as well
Expensive Cost Complete Kit: $475 - $688 Kit with ASSIST:
$649 - $908 Training There is no formal training required, however, the administrator should practice and become familiar with the test before administering it to a student. Age/Groups Ages 5:0 to 22:11

Grades K-12 Time Required The PIAT-R is not a timed test, except for the Written Expression subtest which is limited to 20 minutes. The publisher states that it takes an average of 60 minutes to administer.
Individual Evaluation
Program Planning
Guidance & Counseling
Admissions & Transfers
Grouping Students
Follow-up evaluation
Personnel selection and training USES RESOURCES Lazarus, B. D. (1990). Peabody individual Achievement test-revised. Diagnostique, 15(14), 135-148.

Markwardt, F. C. (1989). Peabody individual achievement test-revised. Circle Pines, MN: American Guidance Service.

Overton, T. (2012). Assessing learning with special needs: An applied approach (7th ed.). Boston: Pearson. 229-231.

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