differential ability scales sample report

differential ability scales sample report

The combination of these scores provide an overall measures of cognitive abilities referred to as the General Conceptual Ability (GCA) and a nonverbal measure, the Special Nonverbal Composite (SNC). Convergent and divergent validity of the Mullen Scales of Early Learning in young children with and without autism spectrum disorder. 0000029089 00000 n Farmer, C., Golden, C., & Thurm, A. Each composite index combines to form the Full Scale Intelligence Quotient which measures overall intellectual ability. Children with Williams syndrome who have be taught reading using a systematic phonics approach both decode and comprehend significantly better than children who have been taught using a whole-word approach. Equation for Nonverbal (left panel): Y = 15.30 + 0.98X; R, Nonverbal, N=78 (AUT=16, DD=21, TYP=41); Verbal, N=76 (AUT=14, DD=21, TYP=41). Mullen scales of early learning: the utility in assessing children diagnosed with autism spectrum disorders, cerebral palsy, and epilepsy. In addition to an overall composite , the General Conceptual Ability (GCA) score, this instrument also yields a Special Nonverbal Composite (SNC) score for children who may have difficulty with oral language. Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. 0000004349 00000 n Regression line reflects age (in months; centered at grand mean of 63.67) entered as a covariate for Verbal; age not significant in Nonverbal equation. Differential Ability Scales-II (DAS-II) - Pearson Clinical DAS provides extended age ranges and out-of-level testing, Individual composite scores, including memory, analogic reasoning (thinking about similarities through comparison), spatial awareness, and numerical reasoning can also be collected and are used by psychologists to determine your childs abilities in these areas. Governors Committee on People With Disabilities. Keywords: Webincluded portions of the Differential Ability Scales (DAS-2), Kaufman Assessment Battery for Children (KABC-2), and Comprehensive Test of Phonological Processing (CTOPP). This is individually adiministered measure of cognitive ability for those aged 6 to 16 years. trailer <]>> startxref 0 %%EOF 81 0 obj<>stream Federal government websites often end in .gov or .mil. Individually administered intelligence measures are commonly used in diagnostic work, but there is a continuing need for research investigating possible test bias among these measures. Concurrent validity of the WISC-IV and DAS-II in children with autism spectrum disorder. This allows for calculation of an intellectual ability without considering working memory and processing speed. Normative scores are provided to compare the childs scores to same-aged peers. 2022 Jan 27;19(3):1469. doi: 10.3390/ijerph19031469. We evaluated the correspondence of contemporaneous MSEL and the DAS-II scores in a mixed sample of children aged 2-10 years with autism spectrum disorder (ASD), non-ASD developmental delays, and typically developing children across the full spectrum of cognitive ability. Copyright 2007-2019 Texas Education Agency (TEA). 0000034407 00000 n A General Ability Index (GAI) can also be calculated utilizing the Verbal Comprehension and Perceptual Reasoning scores. 2011 Sep;116(5):331-43. doi: 10.1352/1944-7558-116.5.331. Appl Neuropsychol Child. An open-label study evaluating the safety, behavioral, and electrophysiological outcomes of low-dose ketamine in children with ADNP syndrome. Good administration Kuriakose, S. (2014). 2023 Jan;16(1):122-142. doi: 10.1002/aur.2842. 1. Would you like email updates of new search results? 0000003665 00000 n The Differential Ability Scales (DAS; Elliott, 1990a) is one of the latest entries into the field of intelligence tests. WebTechnical Report for DAS-II and WIAT-II (School Age Battery) Copyright Examinee ID: 1 Page 1 Examinee: John Sample Report Date: 7/19/2007 Age: 8 years, 5 months Grade: Cluster scores that comprise the GCA include Verbal Ability, Nonverbal Reasoning Ability, and Spatial Ability (ages 3:6-17:11 only). Age Range: Age Range (in years as given in study) 210 years, Sample Size: 47 with autism spectrum disorder (ASD); 28 with non-ASD developmental delays; 43 typically developing children, Concurrent validity between DAS-II and MSEL. 2022 Sep 15;13(9):1655. doi: 10.3390/genes13091655. eCollection 2022. Gifted students with LD were more reliant on verbal conceptualization and reasoning than the control students, and demonstrated deficiencies in short-term auditory memory and sound discrimination. official website and that any information you provide is encrypted WebDAS Report A sample report that includes the Differential Ability Scales (DAS), the Test of Memory and Learning (TOMAL), and several other evaluation tools Inconsistent Report Subjects. These are composed of 20 distinct subsets, which include 17 Clipboard, Search History, and several other advanced features are temporarily unavailable. sharing sensitive information, make sure youre on a federal Bishop, S. L., Farmer, C., & Thurm, A. 0000008317 00000 n 4. This nonverbal cognitive assessment tool is used to assess individuals from age 5 to 21 who have language or hearing impairments and also individuals who have diverse cultural and socio-economic backgrounds. 0000051312 00000 n WebThe Differential Ability Scales (DAS) is a nationally normed (in the US), and individually administered battery of cognitive and achievement tests. Composites combine to form a Full Scale Intelligence Quotient (FSIQ) which is an overall measure of intellectual ability. All Rights Reserved. We examined the degree to which child, family, and treatment variables predicted treatment outcomes for reading and math achievement and oppositional behavior in a sample of 135 young, View 2 excerpts, cites methods and background, Narrative development involves an extended development that requires the integration of linguistic, cognitive, and social capacities. Psychologists use the DAS-II to learn about a childs thinking skills, memory, processing speed, spatial awareness, and verbal knowledge. A cluster analysis procedure was used to identify subgroups of children who manifested specific learning disabilities in reading (SLD/R) in terms of performance on a battery of eight language and perceptual tests, finding some significant differences in measures of oral reading and reading comprehension skills. 0000041718 00000 n WebThe Differential Ability Scales (DAS; Elliott, 1990c) is a comprehensive battery of cognitive and achievement tests that are designed for children and adolescents between the ages of 2 1/2 and 17 Expand 39 More ups and downs of subtest analysis: Criterion validity of the DAS with an unselected cohort. Neither was associated with the magnitude of difference between overall scores. An official website of the United States government. The DAS-II can be scored manually or with the Scoring Assistant software included in every kit. 0000021809 00000 n WebDifferential Ability Scales (DAS-II) The Differential Ability Scales (DAS-II) were developed as an evaluation tool for the cognitive ability and achievement of children. xb```f`` ,[Xvog)[!v sEo3)99{[}=$9W(2= uW?i\v8_i%F| The major results of the questionnaire study revealed that most of the children were in the lower elementary grades, the distribution of IQs contained a larger proportion with below average ability than is found in the general population of children. A historical, Over a decade ago, Pasamanick and Knobloch (1958) demonstrated that disadvantaged populations manifest severe visual perceptual deficits. WebDifferential Ability Scales developed by Collin D. Elliott reflect theories that focus on measuring diverse skills. Psychologists use this to provide information on a childs logical problem-solving, verbal and nonverbal knowledge, numerical reasoning, working memory, visual-spatial processing, which is the ability to organize information into meaningful patterns and understanding how they change as they move through space. In addition to the core subtests, ten diagnostic subtests are available to measure verbal and visual working memory, immediate and delayed recall, visual recognition and matching, processing and naming speed, phonological processing, and understanding of basic number concepts. The importance of low IQ to early diagnosis of autism. 2022 Aug 30;22(1):513. doi: 10.1186/s12887-022-03542-5. WASI-II. Kolevzon A, Levy T, Barkley S, Bedrosian-Sermone S, Davis M, Foss-Feig J, Halpern D, Keller K, Kostic A, Layton C, Lee R, Lerman B, Might M, Sandin S, Siper PM, Sloofman LG, Walker H, Zweifach J, Buxbaum JD. wechsler nonverbal sample report . 0000049621 00000 n WebIntellectual ability tests measure the abilities of an individual child relative to the abilities of children in the general population. Colin Elliott and the other developers of the DAS used the most current statistical procedures in an attempt to create a test that is psychometrically sound. 0000021754 00000 n We conclude that interchanging MSEL and DAS-II scores without regard to the discrepancy in scores may produce misleading results in both cross-sectional and longitudinal studies of children with and without ASD, and, thus, this practice should be implemented with caution. and transmitted securely. Scores on the DAS-II and MSEL were highly correlated, suggesting that they measure a similar construct. 0000026154 00000 n 7-:78Pp[\s1vpfI[* : 'zb%40m?Q7H4'ZE&EYpM[ This reaction focuses on and, By clicking accept or continuing to use the site, you agree to the terms outlined in our. WebWechslers original IQ scales differentiated verbal from performance (nonverbal) primarily for practical reasons (McGrew & Flanagan, 1998, p. 25). Price includes up to 40 people per session. government site. The Differential Ability Scales (DAS) was created to provide practitioners with an alternative instrument that may be as effective as WISC-III in picking up specific patterns of learning difficulties. S. Elliott. The Differential Ability Scales (DAS) was created to provide practitioners with an alternative instrument that may be as effective as WISC-III in picking up specific Goodspeed K, Liu JS, Nye KL, Prasad S, Sadhu C, Tavakkoli F, Bilder DA, Minassian BA, Bailey RM. Autism; Cognitive testing; DAS-II; Developmental quotient; IQ; Mullen Scales of Early Learning. Cluster Scores: Verbal Ability Cluster; Nonverbal Reasoning Ability Cluster; Spatial Ability Cluster, Age Range: First assessment age 2 years, with re-assessment at age 3, 5, 9, and 19 years, Correspondence between cognitive ability in early childhood and adulthood. Theory of mind performance is associated, View 6 excerpts, cites methods and background. Bookshelf This site needs JavaScript to work properly. 0000039551 00000 n View 6 excerpts, cites background and methods, This longitudinal study tested the veracity of one candidate multiple-deficits account of autism by assessing 37 children with autism (M age = 67.9 months) and 31 typical children (M age = 65.2, View 7 excerpts, cites methods and background. Multistage, ABSTRACT Theory of mind describes the ability to engage in perspective-taking, infer mental states, and predict intentions, behavior, and actions in others. Zheng S, Kaat A, Farmer C, Thurm A, Burrows CA, Kanne S, Georgiades S, Esler A, Lord C, Takahashi N, Nowell KP, Will E, Roberts J, Bishop SL. Epub 2022 Nov 13. 0000048655 00000 n 0000029434 00000 n Good validity . Equation for Nonverbal (left panel): Y = 19.51 + 2.04X 0.0071X. Bias in measurement of autism symptoms by spoken language level and non-verbal mental age in minimally verbal children with neurodevelopmental disorders. Disclaimer. WebDifferential Ability. This standardized cognitive assessment measures cognitive and motor abilities in children from birth to 5 years and 6 months and can be used to assess school readiness. Cheong PL, Tsai JM, Wu YT, Lu L, Chiu YL, Shen YT, Li YJ, Tsao CH, Wang YC, Chang FM, Huang YH, Sun CW. Method of Administration: Individually administered, norm-referenced measure of cognitive abilities; aligned to the Cattell-Horn-Carroll (CHC) model two overlapping batteries: Early Years (2:6-6:11) and School-Aged (7:0-17:11) Three methods were used to identify unusual profiles: This study investigated the effects of broad cognitive abilities derived from the CattellHornCarroll (CHC) taxonomy, together with the effect of the general factor (g), on Wechsler Individual. See this image and copyright information in PMC. Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists, The discriminant validity of the Upper Preschool Level of the Differential Ability Scales (DAS) was studied using 32 at-risk preschoolers (females = 14, males = 18) with a mean age of 57.28 months, The Differential Ability Scales (DAS; Elliott, 1990c) is a comprehensive battery of cognitive and achievement tests that are designed for children and adolescents between the ages of 2 1/2 and 17. 0000031228 00000 n The Differential Ability Scales, Second Edition (DAS-II; Elliott 2007) is an individually administered test designed to measure distinct cognitive abilities for children and adolescents ages 2 years, 6 months to 17 years, 11 months. Developmental Neuropsychological Assessment, Second Edition (NEPSY-II), Differential Ability Scales, Second Edition Upper & Lower Early Years Battery, Leiter International Performance Scale, Third Edition (Leiter-3), Stanford-Binet Intelligence Scales, Fifth Edition (SB5), Universal Nonverbal Intelligence Test, Second Edition (UNIT-2), Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV), Wechsler Intelligence Scales for Children, Fifth Edition (WISC-V), Wechsler Adult Intelligence Scale Fourth Edition (WAIS-IV). %PDF-1.5 % Regression lines reflect age (in months; centered at grand mean of 63.67) entered as a covariate. The DAT was first published in 1947 and has multiple forms and levels. Unable to load your collection due to an error, Unable to load your delegates due to an error. Education. The use of the British Ability Scales with children having specific reading difficulties is described and it is suggested that the four abilities recommended for use in computing an IQ in the current BAS Manual are inappropriate for the dyslexic child. 0000001997 00000 n Dotted line represents a 1:1 relationship between MSEL and DAS-II. High reliabilities. Preschool-aged children with or at risk for attention deficit hyperactivity disorder (ADHD) experience significant challenges with behavioral, social, and preacademic skills. 0000004039 00000 n 0000018612 00000 n Factor scores were derived, and these variables were clustered using the hierarchical group, The purpose of the study was to evaluate the process whereby children are identified as learning disabled (LD) and the validity of subsequent educational placements: (a) a representative sample of, This study examined the extent to which school personnel were able to differentiate learning disabled students from low achievers by examining patterns of scores on psychometric measures. Differential Ability Scales. This study will examine the implementation of new technology for children with ASD in public schools and will be the first to measure the effectiveness of CAI, and investigate whether adding a new technology on top of existing practices increases or decreases their use. (2015). Useful features and differences in the administration strategy of DAS are reviewed. This cognitive assessment tool can be administered to children from aged 2 years and 6 months to 6 years and 11 months in the Lower Battery and an Upper Batter that can be administered to children up 17 years and 11 months and provides detailed information about your childs cognitive functioning. The Differential Ability Scales (DAS) is a scale developed in the British empirical tradition and is purported to be useful in making educational decisions for children. 0000002038 00000 n Indices assessed include Verbal Comprehension, Perceptual Reasoning, Working Memory and Processing Speed. The WAIS-IV has a mean of 100 and standard deviation of 15. One current intelligence measure, the Differential Ability Scales, Second Edition (DAS-II), is a test with growing popularity. It is individually administered with one or both parents present for the administration. 0000050704 00000 n This test provides an overall measure of cognitive abilities, referred to as a Full Scale Battery. Psychol Assess. Developed This is an updated edition of the WISC-IV and also produces standardized cognitive measures of children aged 6 to 16 years and 11 months. Template Samples. 0000015176 00000 n A review of infant growth and psychomotor developmental outcomes after intrauterine exposure to preeclampsia. Cultural Adaptation and Validation of Mullen Scales of Early Learning in Taiwanese children with Autism Spectrum Disorder, Global Developmental Delay, and Typically Developing Children. Kern et al. 0000050828 00000 n 0000002231 00000 n 0000011732 00000 n WebDifferential Ability Scales-II View all tests and materials DAS-II Overview Live Webinar 3 Hours A103000072424 Qualification Level C This 3-hour session provides an overview of the DASII focusing on characteristics of the test, subtest administration and scoring, and basic interpretation of results. Careers. The WISC-IV has 15 subtests with a core of 10 summarized into four composites including Verbal Comprehension, Perceptual Reasoning, Working Memory and Processing Speed. The Differential Ability Scales Second Edition (DAS-II; Elliott, 2007) is an individually administered norm-referenced battery of cognitive subtests for children and adolescents ages 2:6 through 17:11. 0000021700 00000 n WebThe Nature and Structure of the Das: Questioning the Test's Organizing Model and Use. Z99 MH999999/ImNIH/Intramural NIH HHS/United States, ZIA MH002868-04/ImNIH/Intramural NIH HHS/United States. WebThe Differential Ability Scales (2nd ed., DASII) is unique in that it goes beyond cognitive ability testing to give insight into how a child processes information. Concurrent validity of the Differential Ability Scales, second edition, with the Mullen Scales of Early Learning in young children with and without neurodevelopmental disorders. Accessibility The Vocabulary of Infants with an Elevated Likelihood and Diagnosis of Autism Spectrum Disorder: A Systematic Review and Meta-Analysis of Infant Language Studies Using the CDI and MSEL. Consistent with published data on the original DAS and the MSEL, scores on the DAS-II and MSEL were highly correlated. This reaction focuses on and. 0000051886 00000 n 0000025949 00000 n The purpose of this study was to determine whether distinct subgroups of children with learning disabilities could be identified using a single, recently developed instrumentthe Differential Ability Scales (DAS). $>Q')VC2T-$s,EKOw^ _|57us/__|.PaK h)NC0vWw6-42 e,9\`n'yX'fRj8@uU{v+ q-5ROK1L~: What they called "organic factors" is simply an etiological, By clicking accept or continuing to use the site, you agree to the terms outlined in our, 10.1002/1520-6807(199301)30:1<11::AID-PITS2310300103>3.0.CO;2-R. Autistic symptomatology was not associated with cognitive scores, while adaptive behavior was positively associated. 0000050220 00000 n SLC13A5 Deficiency Disorder: From Genetics to Gene Therapy. 8600 Rockville Pike Estimates of intelligence in young children with neurodevelopmental disorders are critical for making diagnoses, in characterizing symptoms of disorders, and in predicting future outcomes. 0000001762 00000 n WebDifferential Ability Scales Second Edition (DAS-II) is a comprehensive clinical assessment designed to evaluate cognitive abilities in children and adolescents across a broad range of developmental levels. The DAS-II is useful for identifying strengths and weaknesses so appropriate individual education program (IEP) goals, intervention strategies, and progress monitoring can be developed; and comparing ability scores over time, even when normative scores cannot be obtained. 0000002890 00000 n Abstract. Sattler (2001) Review of the DAS. The https:// ensures that you are connecting to the 0000037757 00000 n These are composed of 20 distinct subsets, which include 17 that are cognitive targets and 3 for achievement. View 5 excerpts, cites background and methods, The ability profiles most representative of the school-age norm group for the Differential Ability Scales (DAS; Elliot, 1990a), an individually administered test of cognitive skills, are identified. Instructions are provided in both English and Spanish for the nonverbal subtests. The WAIS-IV is used to assess individuals ranging in age from 16 years to 90 years 11 months. Epub 2015 Apr 20. (2015). Front Psychol. 2022 Mar;122:104158. doi: 10.1016/j.ridd.2021.104158. The WAIS-IV has 15 subtests with a core of 10 summarized into the four composites listed above. Investigating the written language abilities of two individuals with Williams syndrome found that, despite the strong similarity between the two individuals in terms of their verbal and non-verbal cognitive abilities and their phonological abilities, their reading and spelling abilities differed by more than 5 grade levels. Regression line reflect age (in months; centered at grand mean of 55.32) entered as a covariate for Verbal; age not significant in Nonverbal equation. (For well-normed tests intended for children in the United States, this means that the group of children used to norm the assessment was matched to the U.S. census proportions in terms of 2015 Dec;27(4):1364-78. doi: 10.1037/pas0000116. 0000001873 00000 n WebThis cognitive assessment tool can be administered to children from aged 2 years and 6 months to 6 years and 11 months in the Lower Battery and an Upper Batter that can be WebDifferential Ability Scales Name: Jane Sample School Age Battery On this administration of the DAS, Jane Sample obtained a Verbal score of 100 (50th percentile, Average), a The DAS-II is aligned with Cattell-Horn-Carroll cognitive theory. 0000046960 00000 n 2013;2(1):33-42. doi: 10.1080/21622965.2012.682852. A composite measure known as the Full Scale Intelligence Quotient (FSIQ) is also provided as an overall measure of a childs cognitive abilities. WebDifferential Ability Scales. Two commonly used and interchanged instruments are the Mullen Scales of Early Learning (MSEL), a test of developmental level, and the Differential Ability Scales, second edition (DAS-II), a more traditional cognitive test. The DAS core subtests were found to be good measures of cognitive ability in children classified with ADHD and did not appear to be influenced by attention problems. However, curve estimation revealed large mean differences in scores that varied as a function of the child's cognitive ability level. This test predicts academic achievement on the basis of ability equally well for African American, Asian American, Hispanic/Latino, and White/non-Hispanic children. Clinicians should communicate carefully regarding prognosis of cognitive ability to parents of young children with ASD. This study was an effort to subtype adolescents' learning disabilities using scores on the Woodcock-Johnson Psycho-Educational BatteryRevised to characterize subtypes, suggesting that these students had two specific types of learning disorders. In particular, they often have tro uble with phonological processing, which is a robust predictor of, Abstract A normative typology was developed and applied using multivariate profile analysis of subtest scores of the Universal Nonverbal Intelligence Test (UNIT) standardization sample. 0000030849 00000 n WebCurrently in its 2nd edition, the Differential Ability Scales (DAS-II) provide insight into the cognitive abilities children have when learning. This research evaluated the criterion-related validity of unusual subtest profiles from the Differential Ability Scales (Elliott, 1990). WebSample APPA Report Sally Smith (not real name) Page - 3 Behavior Rating Inventory of Executive Function (BRIEF) Wechsler Preschool and Primary Scale of Intelligence (WPPSI-IV) Thematic Apperception Test Incomplete Sentences Test FINDINGS This section presents what was found during the evaluation. These results Epub 2012 Apr 26. 0000029702 00000 n eCollection 2022 Oct 13. 0000051436 00000 n 0000044112 00000 n An overall measure of cognitive abilities, referred to as the Intelligence Quotient (IQ), can also be obtained. 3. Into its second edition (DAS-II), Subsequent theorists have 2. The International journal of neuroscience. Measurement of nonverbal IQ in autism spectrum disorder: Scores in young adulthood compared to early childhood. 0000025640 00000 n It consists of two batteries, the Early Years Battery and the School-Age Battery, which were normed for overlapping age ranges to increase the usefulness for children of varying ability levels. 0000025366 00000 n BMC Pediatr. AY"6\Zs\=>d )n0_!yS JGq5iJkr&S[j"@{GM.G2d?. WebWe evaluated the correspondence of contemporaneous MSEL and the DAS-II scores in a mixed sample of children aged 2-10 years with autism spectrum disorder (ASD), non-ASD developmental delays, and typically developing children across the Some children with speech sound disorders (SSD) hav e difficulty with literacyrelated skills. Regression lines reflect age (in months; centered at grand mean of 63.67) entered, Regression line reflects age (in months; centered at grand mean of 63.67) entered, Nonverbal, N=78 (AUT=16, DD=21, TYP=41);, Nonverbal, N=78 (AUT=16, DD=21, TYP=41); Verbal, N=76 (AUT=14, DD=21, TYP=41). Appropriate for individuals from 2:6 years to 7:11 years, it measures identifiable skills directly related to educational concerns. 0000037555 00000 n Epub 2022 Jan 12. 4 Rs-4 :::Nb 10t@.GTtg; i vdc(ur. ?;2is41a:HBFA7c)lY +u e4m:{T. 3) z7$n|L:4#0^~j8 p endstream endobj 80 0 obj<> endobj 82 0 obj<>/Font<>>>/DA(/Helv 0 Tf 0 g )>> endobj 83 0 obj<> endobj 84 0 obj<> endobj 85 0 obj<>/Font<>/ProcSet[/PDF/Text]/ExtGState<>/Properties<>>> endobj 86 0 obj<> endobj 87 0 obj<> endobj 88 0 obj<> endobj 89 0 obj<> endobj 90 0 obj<> endobj 91 0 obj<> endobj 92 0 obj<> endobj 93 0 obj<> endobj 94 0 obj<>stream These cluster scores consist of six core subtests (or four, for children 2:6-3:5) that are designed to measure verbal, nonverbal, and spatial reasoning. -Gale H. Roid, Lucy J. Miller, Mark Pomplun, and Chris Koch. Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. The nature and the structure of children's abilities are considered in the light of evidence from the Differential Ability Scales (DAS), a newly published, individually administered cognitive test, The purposes of this research were, first, to determine whether the varied tests contained in the Differential Ability Scales (DAS) measure the same constructs across its wide range, and, second, to, In a study of the construct validity of composite and selected subtest scores of the Differential Ability Scales (DAS), scores from the DAS, WISC-R, and Stanford Achievement Test were compared for 46, The Differential Ability Scales (DAS) is a scale developed in the British empirical tradition and is purported to be useful in making educational decisions for children. It provides specific information about several areas of a childs cognitive abilities, including verbal skills, nonverbal problem-solving, and spatial awareness. This cognitive assessment tool can be administered to individuals aged 2 to 85 years old. Participants achieved significantly higher overall scores on the DAS-II and nearly half the sample achieved a higher classification label on the DAS-II. -Marit Korkman, PhD, Ursula Kirk, PhD, and Sally Kemp, PhD. Yields standard scores (M = 100, SD = 15) for composite and cluster scores, T-scores (M = 50, SD = 10) for subtest scores, percentile ranks, confidence intervals, qualitative descriptors, and age equivalents.

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differential ability scales sample report