SLDT-A:NU Complete Kit

By Linda Bowers, Rosemary Huisingh, and Carolyn LoGiudice

12;0 through 17;11

SKU
LST4380
$239.00
The Social Language Development Test-Adolescent; Normative Update (SLDT-A: NU) Complete Kit (Ages 12;0-17;11) includes Examiner's Manual, 25 Examiner Record Booklets, Picture Book, and a Scoring and Example Responses Booklet. (2017)
The Social Language Development Test-Adolescent; Normative Update (SLDT-A: NU) Complete Kit (Ages 12;0-17;11) includes Examiner's Manual, 25 Examiner Record Booklets, Picture Book, and a Scoring and Example Responses Booklet. (2017)
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Author(s) Linda Bowers, Rosemary Huisingh, and Carolyn LoGiudice
Topic Autism, Hearing and Sign Language, SLP Resources, Social Skills, Tests
Brand LinguiSystems

More Information

SLDT-A:NU Complete Kit

  • Ages: 12;0 through 17;11
  • Testing Time: 45 minutes
  • Administration: Individual
  • Norm-referenced: Raw scores, age equivalents, percentile ranks, scaled and index scores
  • SLDT-A:NU complete kit includes: Examiner's Manual, Scoring Standards and Example Responses Book, Picture Book, and 25 Examiner Record Booklets. Boxed. ©2017
  • Qualification Level: B

The Social Language Development Test–Adolescent: Normative Update (SLDT-A: NU) assesses language-based social skills. Specifically, it measures a student's ability to make inferences, and interpret and respond to social interaction. Performance on the test differentiates typically developing students from those with autism spectrum disorder.

New Features

  • Updated norms reflect demographics of the 2016 U.S. Census.
  • Normative sample (N = 868) stratified by age relative to geographic region, gender, race, and ethnicity
  • New standard score metric for subtests and composites (M = 10, SD = 3; M = 100, SD = 15)
  • All-new item analysis and item bias studies provide convincing evidence of content-description validity.
  • All-new reliability and validity studies include diagnostic accuracy analyses, which are the most rigorous techniques for establishing validity today. These analyses involve the computation of sensitivity and specificity indexes and the receiving operating characteristic/area under curve (ROC/AUC) statistic.
  • Audio files for the Interpreting Ironic Statements subtest are available for use or download online.

Description of the Test

SLDT – A: NU has five subtests (Making Inferences, Interpreting Social Language, Problem Solving, Social Interpretation, and Interpreting Ironic Statements) that yield scaled scores. A composite score, called the Social Language Development Index, represents overall performance on the subtests. The Examiner’s Manual discusses the test’s theoretical and research-based foundation, item development, standardization, administration and scoring procedures, normative tables, and guidelines for using and interpreting the test’s results. The manual also includes reliability and validity studies conducted with students with typical language abilities and students previously diagnosed with autism spectrum disorder.

The average coefficient alpha ranges between .76 and .86 for the subtests and is .95 for the composite. New validity studies demonstrate the test’s ability to differentiate students with autism spectrum disorder from typically developing students. The results demonstrate that a Social Language Development Index cutoff score of 90 resulted in a sensitivity of .71, a specificity of .96, and a ROC/AUC of .90.

Social Language Development Test-Adolescent; Normative Update Complete Kit

  • Examiner's Manual
  • Scoring Standards and Example Responses Book
  • Picture Book
  • 25 Examiner Record Booklets
  • Boxed
  • Copyright 2017
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