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• Wide_Range_Achievement_Test abstract "The Wide Range Achievement Test 4 (WRAT4) is an achievement test which measures an individual's ability to read words, comprehend sentences, spell, and compute solutions to math problems. The test currently is in its fourth revision.The test was developed in 1941 by psychologists Sidney W. Bijou and Joseph Jastak.The test is appropriate for individuals ages 5–94 years. The WRAT4 provides two equivalent forms (Blue and Green), which enables retesting within short periods of time without potential practice effects that occur from repeating the same items. The alternate forms also may be administered together in a single examination.The Wide Range Achievement Test 4 (WRAT4) is the latest offering in a test series first published in 1946. The various editions of the Wide Range Achievement Test (WRAT) have enjoyed widespread use in a variety of settings as a measure of the basic academic skills necessary for effective learning, communication, and thinking: reading and spelling words and performing basic mathematical calculations. The WRAT4 is published by and available from Psychological Assessment Resources, Inc.. A computerized scoring program and interpretive report are also available. Description: The Wide Range Achievement Test (WRAT) is a brief achievement test measuring reading recognition, spelling, and arithmetic computation. There are two levels; level I is normed for children ages 5–0 to 11-11; level II is normed for children aged 12 through adults aged 64.Scoring: Norms provided for the 1978 edition include standard scores with a mean of 100 and a standard deviation of 15, percentile scores, and grade levels. The standard scores are scaled based on the norm group; the grade levels are arbitrarily assigned and can be interpreted only as rough references to achievement level. Only standard scores should be used for comparisons among scores.Reliability: The manual reports split-half reliabilities of .98 for Reading at both levels, .94 for Arithmetic at both levels, .96 for Spelling I, and .97 for Spelling II. During the norming study, both levels of the WRAT were administered to children ages 9 through 14. Since there is overlap in skills tested between the high end of level I and the low end of level II, this provides another estimate of the reliability of both. On Reading and Spelling, split-half reliabilities ranged from .88 to .94 for different age groups; on Arithmetic they ranged from .79 to .89. These results indicate that overall the reliability of the WRAT is excellent.Validity: The test most similar to the WRAT is the Peabody Individual Achievement Test (PIAT), another short, individually administered test which covers comparable material. In general the WRAT correlates very highly with the PIAT. The WRAT correlates moderately with various IQ tests, in the range of .40 to .70 for most groups and most tests.Norms: The 1978 WRAT norms are based on 15,200 subjects for seven states. According to the manual, no attempt was made to make the sample representative of national characteristics. The manual states that minorities were represented, but gives no data on their representation. The sample was stratified by age, sex, and approximately by ability.Suggested Uses: Recommended uses for the test described in the manual include comparing achievement of one person to another, determining learning ability or learning disability, comparing codes with comprehension in order to prescribe remedial programs, and informally assessing error patterns to plan instructional programs. An added feature in the WRAT4 is a Reading Composite Score.".
• Wide_Range_Achievement_Test wikiPageExternalLink www.parinc.com.
• Wide_Range_Achievement_Test wikiPageID "11716885".
• Wide_Range_Achievement_Test wikiPageRevisionID "519091694".
• Wide_Range_Achievement_Test hasPhotoCollection Wide_Range_Achievement_Test.
• Wide_Range_Achievement_Test subject Category:Achievement_tests.
• Wide_Range_Achievement_Test type Abstraction100002137.
• Wide_Range_Achievement_Test type AchievementTests.
• Wide_Range_Achievement_Test type Cognition100023271.
• Wide_Range_Achievement_Test type Experiment105798043.
• Wide_Range_Achievement_Test type HigherCognitiveProcess105770664.
• Wide_Range_Achievement_Test type Inquiry105797597.
• Wide_Range_Achievement_Test type ProblemSolving105796750.
• Wide_Range_Achievement_Test type Process105701363.
• Wide_Range_Achievement_Test type PsychologicalFeature100023100.
• Wide_Range_Achievement_Test type Thinking105770926.
• Wide_Range_Achievement_Test type Trial105799212.
• Wide_Range_Achievement_Test comment "The Wide Range Achievement Test 4 (WRAT4) is an achievement test which measures an individual's ability to read words, comprehend sentences, spell, and compute solutions to math problems. The test currently is in its fourth revision.The test was developed in 1941 by psychologists Sidney W. Bijou and Joseph Jastak.The test is appropriate for individuals ages 5–94 years.".
• Wide_Range_Achievement_Test label "Wide Range Achievement Test".
• Wide_Range_Achievement_Test sameAs m.02rpyxt.
• Wide_Range_Achievement_Test sameAs Q7998612.
• Wide_Range_Achievement_Test sameAs Q7998612.
• Wide_Range_Achievement_Test sameAs Wide_Range_Achievement_Test.
• Wide_Range_Achievement_Test wasDerivedFrom Wide_Range_Achievement_Test?oldid=519091694.
• Wide_Range_Achievement_Test isPrimaryTopicOf Wide_Range_Achievement_Test.