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Comprehensive Assessment of Spoken Language: CASL 2
AGES: 3 to 21 years
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 Integrative Language Theory developed by author Elizabeth Carrow-Woolfolk, 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–language 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:
1. Lexical/Semantic: Knowledge and use of words and word combinations
2. Syntactic: Knowledge and use of grammar
3. Supralinguistic: Knowledge and use of language in which meaning is not directly available from the surface lexical and syntactic information
4. 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. Please see the table on 6 for a description of each test. 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:
1. Each of the 14 tests (specific skill scores)
2. Lexical/Semantic Index, Syntactic Index, Supralinguistic Index (categorical index scores)
3. Receptive Language Index and Expressive Language Index (language processing index scores)
4. 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-color 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.
Boise , ID
Learning, Cognition, and Developmental
Speech & Language
Resource Information, Learning Aids
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