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Test of Word Finding - 3rd Edition

Test of Word Finding - 3rd Edition

#WF13065

Price: $471.00

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Description:

The Test of Word Finding-Third Edition (TWF-3) is the norm-referenced, single-word expressive language test expressly designed to assess children's word-finding ability. It can be used to identify students who have word-finding problems, plan word finding intervention, and measure word finding ability in research studies.

Features of the NEW TWF-3:

  • All new normative data were collected in 2009-2012
  • New noun and verb target words have been added
  • Studies showing the absence of racial and gender bias are reported
  • Information pertaining to the TWF-3's diagnostic accuracy (sensitivity, specificity, and ROC/AUC) is provided
  • The lexical processing model underlying TWF-3 has been updated to reflect current thinking regarding word retrieval
  • The Comprehension Check functions as a built-in assessment of examinees' word knowledge
  • Students with diagnosed word finding difficulties were included in the norming sample
  • Three age- and grade-appropriate forms are included: the Preprimary form for preschool and kindergarten students; the Primary form for students in Grades 1 and 2; and the Intermediate form for students in Grades 3 through 6.
  • The standardized assessment and informal analyses are integral features of comprehensive word finding assessments
  • In-Depth Training Available >


How much time is required?

Testing time is approx. 20-30 minutes.
 

TWF-3 Sections:

The standardized assessment has four naming sections, the results of which are combined to form the overall Word Finding Index:

  • Picture Naming: Nouns–assesses efficiency in naming compound and 1 to 4 syllable target words
  • Sentence Completion Naming–assesses efficiency in naming words to complete sentences read aloud by the examiner
  • Picture Naming: Verbs–assesses efficiency in naming present and past-tense regular and irregular verbs
  • Picture Naming: Categories–assesses efficiency in naming objects and the categories to which they belong

The standardized assessment has ample evidence of reliability and validity:

  • The average internal consistency (content sampling) reliability coefficients for all forms exceed .85.
  • The average test-retest (time sampling) coefficients for the Word Finding Index exceed .80.
  • Correlations of the Word Finding Index with those of other well-known expressive language tests are large or very large in magnitude.
  • Diagnostic accuracy studies indicate that the TWF-3 is able to accurately identify students with word finding difficulties (i.e., sensitivity = .86, specificity = .78, ROC/AUC = .88, cut score = 90).
  • Considerable other validity evidence is provided in the manual.

The Informal Assessment

Five informal analyses are also provided. Three of these analyses (the Phonemic Cueing Procedure, the Imitation Procedure, and the Substitution Analysis) examine types of word finding errors students make. The remaining informal analyses (the Delayed Response Procedure and the Secondary Characteristics Tally) contribute to interpreting the Word Finding Index.

What's Included?

  • Examiner's Manual
  • Word Finding Assessment Picture Book
  • Comprehension Check Picture Book
  • 10 Preprimary Examiner Record Forms
  • 10 Primary Examiner Record Forms
  • 10 Intermediate Examiner Record Forms
  • Sturdy Storage Box (©2015)

Target Audience:

Ages: 4-6 through 12-11

Author:

Diane J. German, Ph.D., is a professor at National-Louis University where she holds the Endowed Chair in Special Education created to support her work in word finding. She is an internationally acclaimed author and researcher having published the standard in assessment instruments in word finding. Further, she has published articles, presented technical papers, and taught numerous seminars in the US, Canada, Europe and Asia. 

 


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More Offerings by: Diane German

Ecourses

  E-Course # Course Title & Author CEUs Price  
e78 Interventions For Word Retrieval
Diane German, Ph.D.
0.35 $69.00
e143 Diagnostic Assessment of Semantic And Phonological Based Word Finding Difficulties
Diane German, Ph.D.
0.25 $44.00

Products

  Title Price  
Word-Finding Intervention Program - 2nd Edition $92.00

 

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