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LAC 3 Lindamood Auditory Conceptualization Test Third Edition
Ages: 5-18   Grades: K-Adult

Measure an individual's ability to perceive and conceptualize speech sounds using a visual medium with the LAC 3.

Test Set
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LAC 3 Examiner Record Books (25)
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Test Purpose
The perception and conceptualization of speech sounds is important to reading.  Now the LAC 3 also measures the cognitive ability to distinguish and manipulate sounds, two skills critical to reading and spelling success.



  • Isolated Phoneme Patterns
  • Tracking Phonemes (Monosyllables)
  • Counting Syllables (Multisyllables)
  • Tracking Syllables (Multisyllables)
  • Tracking Syllables and Phonemes (Multisyllables)

Testing Time

  • 20-30 minutes


  • Raw Scores
  • Standard Scores
  • Percentile Ranks
  • Age Equivalents
  • Grade Equivalents

Test Procedure
Begin with the first item in each category and continue until all items in each category are given or until a ceiling is reached.  The ceiling is a total of five errors that do not need to be consecutive except in Isolated Phoneme Patterns and Counting Syllables (Mulitsyllables).


Examiner Qualifications
This test may be administered and interpreted by professionals who have professional training in assessment and phonological awareness disorders.


Copyright © 2004

Test Set includes: examiner's manual, examiner record booklets, 24 blocks, 6 felts, CD, and the examiner's presentations in Spanish form - distributed item

Warning: CHOKING HAZARD - Small parts, not for children under 3 yrs.


Patricia C. Lindamood, Phyllis Lindamood