Comprehensive Assessment of Spoken Language, Second Edition

Comprehensive Assessment of Spoken Language, Second Edition [CASL-2]
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For: Measures the oral language processing skills of comprehension and expression

Format: Paper & pencil; 14 stand-alone individually administered performance tests requiring no reading or writing

Length: 5-10 minutes for each test and 45 minutes for the General Language Ability Index

Scoring: Hand scored; Online

Kits
W-685 CASL-2 Kit - $880.00
New in Nov 2016. Kit includes 10 Comprehensive Forms; Easel 1; Easel 2; Easel 3; Manual. Includes access to CASL-2 Online scoring and reporting features available through WPS Online Evaluation System. Register with PAA for online access.
Hand Scoring Materials
W-685A CASL-2 Comprehensive Form - Ages 3 to 21 (Pack of 10) - $71.50
Ages 3 to 21. Includes access to CASL-2 Online scoring and reporting features available through WPS Online Evaluation System. Register with PAA for online access.
W-685B CASL-2 Preschool Form - Ages 3 to 6 (Pack of 10) - $60.50
Ages 3 to 6. Includes access to CASL-2 Online scoring and reporting features available through WPS Online Evaluation System. Register with PAA for online access
Test Materials
W-685C CASL-2 Easel 1 - $214.50
W-685D CASL-2 Easel 2 - $214.50
W-685E CASL-2 Easel 3 - $214.50
W-685MP CASL-2 Online Manual - $192.50
This is an online manual. For use on the WPS Online Evaluation System. Register with PAA for online access.
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NEW! AVAILABLE LATE NOV 2016!

Authors:

Elizabeth Carrow-Woolfolk, PhD

Description:

What's New in the CASL-2:

  • All new normative data and more extensive clinical groups
  • 14 individual tests (the original CASL's Paragraph Comprehension test was removed)
  • Expanded age range for most of the 14 tests to include younger children
  • Updated item content to address current technology (no more payphone!)
  • Full-colour easels featuring new artwork that is more engaging for young children
  • Alternative scoring guidelines for African-American dialect
  • Updated record form design that makes scoring easier and includes an Item Analysis Worksheet for each test, to help develop intervention plans and write IEP goals
  • Easy to remember start and stop rules that are consistent across all tests
  • FREE online scoring and reporting through the WPS Online Evaluation System (platform.wpspublish.com)

The Comprehensive Assessment of Spoken Language, Second Edition is the most up-to-date measure of oral language skills available. It offers the flexibility of 14 stand-alone tests in one comprehensive yet specific battery. Preserving the strengths of the original and highly regarded test, the second edition introduces new and enhanced features to increase validity, functionality, and ease of use.

The CASL-2 shares the same underlying theory as the new Oral Passage Understanding Scale (OPUS) and the popular Oral and Written Language Scales, Second Edition (OWLS-II). Since all three tests are based on the author's Integrative Language Theory, they provide a cohesive evaluation across a broad range of language areas. While the OWLS-II provides an evaluation of oral and written language, the CASL-2 offers a more in-depth picture of 14 spoken language skills. The new OPUS measures listening comprehension and tells you how well a person can apply many of these skills.

Applications and Uses

The CASL-2 can be used by speech pathologists and other professionals in a variety of settings, including schools, clinics, hospitals, private practices, and intervention programs. When you need to evaluate response to intervention (RTI), you can use the CASL-2 to track improvement over time. It can help you answer a variety of referral questions, including eligibility for speech services, placement in special education, determining if a language delay or disorder is present, or measuring language abilities in English language learners. The CASL-2 provides important information for everyone involved in treatment, so you can help children and young adults reach their potential at school, at home, at work, and in the community.

What It Measures

For children and young adults ages 3 to 21, the CASL-2 measures spoken language across four structural categories:

  • Lexical/Semantic: Knowledge and use of words and word combinations
  • Syntactic: Knowledge and use of grammar
  • Supralinguistic: Knowledge and use of language in which meaning is not directly available from the surface lexical and syntactic information
  • Pragmatic Language: Knowledge of language that is appropriate across different situational contexts and ability to modify language according to the social situation

Within these categories, 14 stand-alone tests give you the flexibility to measure only the specific area or areas that you are interested in. You can interpret each test separately and/or combine test scores to get a wider picture of oral language skills. The CASL-2 tests feature extended age ranges so you can start assessing and intervening earlier, as well as track progress in the same child over many years using the test. Many of the tests now include younger ages, and all of them extend to age 21.

Test items are designed to focus on the main area of interest (for example, synonyms, antonyms, idioms, and so on) to reduce or eliminate the need for memory where possible. This is achieved by using pictures and repeating words at the beginning and end of an item. The CASL-2 Pragmatic Language Test is particularly useful for measuring social communication skills in people with autism spectrum disorder or social (pragmatic) communication disorder, since it measures the ability to understand and apply societal rules and expectations. It is the only performance test that measures pragmatic language abilities in children under age 6.

Standard scores are available for the following:

  • Each of the 14 tests (specific skill scores)
  • Lexical/Semantic Index, Syntactic Index, Supralinguistic Index (categorical index scores)
  • Receptive Language Index and Expressive Language Index (language processing index scores)
  • General Language Ability Index (GLAI) (overall skill index score)

You can quickly isolate the specific skill, category, or processing ability that you want to assess. And if you need a single score to help determine a student's eligibility for speech services or placement in special education, the GLAI can be determined by administering just 4 to 5 tests, depending on the child's age. On the back of the record forms there is a chart that clearly shows which tests are required to obtain the different index scores based on the examinee's age. This chart is also accessible at www.wpspublish.com/CASL2. Specific skill scores are available as descriptive ranges, confidence intervals, percentile ranks, test-age equivalents, and grade equivalents, enhancing their detail and functionality. Index scores are available as descriptive ranges, confidence intervals, and percentile ranks. Alternative scoring guidelines offer criteria for scoring results with individuals who speak with African-American dialect. This allows you to accurately measure spoken language skills and not worry about how dialectical differences may impact test results.

How It Works

Using one of three self-standing test easels, you read items aloud and the examinee responds by speaking or pointing. All of the easels now feature full-colour illustrations that make administration more engaging, especially for young children, and updated items to address current technology. In addition, the easels include instructions, examples, pictures, items, prompts, sample correct and incorrect answers, scoring criteria to streamline the administration process, and tabs so you can easily flip to the test you want.

There are two CASL-2 record forms, the Comprehensive Form and the Preschool Form, both described in the table (below). Using the appropriate form, you record the examinee's responses by hand. Across the 14 tests, suggested Start Items allow you to skip the items that are not applicable to the individual's age. Consistent basal and ceiling rules (four correct items in a row and four incorrect items in a row, respectively) save you time by making it easy to remember when you can stop an administration.

Both CASL-2 record forms now include a fold-out panel making it easier to transfer raw scores to the Score Summary page, where you can easily convert them to standard scores. In addition, both forms include an Item Analysis Worksheet for each test, providing qualitative information that is helpful for writing IEP goals and intervention plans. It tells you exactly what the examinee's strengths and areas for improvement are, giving you a level of detail that extends beyond a standard score.

FREE Online Scoring and Reporting

Upon purchase of a CASL-2 Kit or Form, you gain access to digital scoring and reporting through the WPS Online Evaluation Systemat no additional charge! This gives you the option to score online and automatically generate useful reports, including a Score Report with Item Analysis, Progress Report, and Profile Summary Report. Time-saving, WPS's online testing platform lets you securely and conveniently keep a record of your administrations and share helpful information with parents, teachers, and others involved in treatment.

Component Contents Format(s)
Comprehensive Form All 14 tests; covers all ages (3 to 21 years old) Print (score by hand or online)
Preschool Form The 10 tests that can be used with children ages 3 to 6 years old Print (score by hand or online)
Easel 1 Lexical/Semantic tests Print
Easel 2 Syntactic tests Print
Easel 3 Supralinguistic tests and Pragmatic Language test Print
Manual Everything you need to know to use the CASL-2; now includes the norms tables in a single, comprehensive book Online; Print

Technical Information

Standardisation for the CASL-2 is based on a sample of 2,394 individuals ages 3 to 21 years old. The sample is stratified to match recent U.S. Census data for gender, ethnicity, region, and parents' education level, so you can confidently use the CASL-2 with a wide range of individuals. The CASL-2 and OPUS are co-normed, supporting the validity of both tests and making them wonderful companion tests. A clinical validation sample of 271 individuals demonstrates that the CASL-2 can differentiate between typically developing individuals and those with the following diagnoses:

  • Expressive and/or receptive language disorder
  • Hearing impairment
  • Autism spectrum disorder
  • Social (pragmatic) communication disorder
  • Intellectual disability
  • Learning disability
  • Developmental delay

The CASL-2 has strong internal consistency and test-retest and interrater reliability, demonstrating the stability and reliability of results over time and across raters. Comparative studies with the CASL, OPUS, OWL-II, and CELF-5 show that correlations are strong but different enough to support that the CASL-2 measures unique aspects of spoken language.

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