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Oral and Written Language Scales, Second Edition

by Elizabeth Carrow-Woolfolk, Ph.D. - Ages 3;0–21;11

Main Related Handy Handouts
OWLS — Listening Comprehension Scale (LCS) & Oral Expression Scale (OES)
  • Ages: 3;0–21;11
  • LCS Testing Time: 10–20 minutes
  • OES Testing Time: 10–30 minutes
  • Norm-referenced; age- and grade-based standard scores, test-age equivalents, percentile ranks, and descriptive categories
  • OWLS—LC/OE Kit includes: Examiner’s Manual, Listening Comprehension Easel, Oral Expression Easel, Foundations of Language Assessment, Record Forms (10), and carrying case. (2011)
  • Qualification Level: B
OWLS—Written Expression Scale (WES) & Reading Comprehension Scale (RCS)
  • Ages: 5;0–21;11
  • WES Testing Time: 15–30 minutes
  • RCS Testing Time: 10–30 minutes
  • Norm-referenced; age- and grade-based standard scores, test-age equivalents, percentile ranks, and descriptive categories
  • OWLS—WE Kit includes: Examiner’s Manual, Written Expression Response Booklets (10), Written Expression Easel, Reading Comprehension Easel, Record Forms (10), Foundations of Language Assessment, and carrying case. (2011)
The OWLS-II evaluates four language processes on four separate scales: Listening Comprehension, Oral Expression, Reading Comprehension, and Written Expression. Each of these scales assesses four linguistic structures:
  • Lexical/Semantics
  • Syntax
  • Pragmatics
  • Supralinguistics
Because it looks at the same linguistic structures across four distinct language processes, the OWLS-II provides an unusually detailed, coherent, and integrated assessment. Although its four scales can be used separately, together they give you a comprehensive score profile that pinpoints language delays, identifies strengths and weaknesses in all areas, and guides intervention.
Listening Comprehension Scale (LCS)
The LCS uses a convenient easel to measure receptive language. The examiner reads a stimulus word aloud, and the student responds by indicating one of four pictures that best depicts the meaning of the word. Correct responses are printed on the examiner’s side of the easel and on the Record Form—permitting easy, on-the-spot scoring.
Oral Expression Scale (OES)
The OES, with its own handy easel, measures expressive language, requiring the examinee to answer questions, finish sentences, and generate sentences in response to visual and oral prompts. To simplify scoring, common responses (correct and incorrect) are printed on the Record Form. In addition, alternate acceptable responses are now provided to accommodate students who speak African-American English or similar dialect.
Written Expression Scale (WES)
The WES measures the expressive aspects of written language. It uses age-based item sets, rather than basals and ceilings, to ensure that only developmentally appropriate items are administered. Each set includes 14 to 18 items that involve writing tasks similar to those students might encounter in the classroom. Some tasks are open-ended, asking the examinee to complete a story or interpret a statement, for example. Others are structured, requiring the student to copy words or write a dictated sentence. Together, these writing tasks measure the four linguistic structures assessed by the other OWLS-II scales, as well as conventions (spelling, punctuation/capitalization, letter formation) and text structure (organization, details, cohesion). The examiner presents oral, written, and pictorial prompts, and examinees write their answers in a Response Booklet. The Record Form provides brief scoring rules for easy reference, and the Manual supplies detailed guidelines and examples. Descriptive analysis tables and worksheets help you generate a qualitative summary of student writing, with strengths and weaknesses noted.
Reading Comprehension Scale (RCS)
New to the Second Edition, the RCS measures the receptive aspects of written language. Because it is based on the same theory and structure as the other OWLS-II scales, it is uniquely effective in identifying language factors that may be impairing or facilitating reading comprehension. Items typically require the student to read a prompt and choose one of four response options. Again, correct responses are conveniently listed on the Record Form and the examiner’s side of the easel.
Scores in Several Useful Formats
All four scales provide age- and grade-based standard scores, test-age equivalents, percentile ranks, and descriptive labels (Exceptional, Above Average, Average, Below Average, or Possibly Disordered). Scale scores can be combined to produce five Composites: Oral Language, Written Language, Receptive Processing, Expressive Processing, and Overall Language Processing.
Use the OWLS-II to:
  • Identify students with learning disabilities, language disorders, and related difficulties in accordance with IDEA requirements
  • Design targeted interventions that address potential academic difficulties
  • Monitor progress, using the new alternate form
  • Gather longitudinal data for research purposes
The Combo Kit includes both Listening Comprehension and Oral Expression Kit and Written Expression and Reading Comprehension Kit, with a single copy of Foundations of Language Assessment and 10 Profile Forms.
TM794 -  OWLS-II LC/OE Complete Kit $575.00 
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TM796 -  OWLS-II RC/WE Complete Kit $575.00 
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TM800 -  OWLS-II LC/OE and RC/WE Combo Kit $923.00 
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TMF795 -  OWLS-II LC/OE Record Forms (25) $78.00 
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TMF797 -  OWLS-II RC/WE Record Forms (25) $78.00 
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TMF799 -  OWLS-II WE Response Booklets (25) $48.00 
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TMF900 -  OWLS-II LC/OE Record Form B (25) $78.00 
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TMF901 -  OWLS-II RC/WE Record Form B (25) $78.00 
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