BBTOP: Bankson-Bernthal Test of Phonology By Nicholas W. Bankson & John E. Bernthal

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BBTOP: Bankson-Bernthal Test of Phonology By Nicholas W. Bankson & John E. Bernthal

Ages: 3-0 through 9-0
Testing Time: 15 to 20 minutes
Administration: Individual

The Bankson-Bernthal Test of Phonology (BBTOP) can be administered in 15 to 20 minutes to individuals of ages 3-0 through 9-0. The BBTOP allows clinicians to assess a child’s articulation and phonology from three different points of view: a whole word accuracy analysis; a traditional consonant articulation analysis; and a phonological process analysis. Designed for preschool and school-age children, the BBTOP includes a colorful Picture Book containing 80 pictures, one for each test item, and an easel on which to place the book. You may interpret the results in the way that best describes the child’s performance and needs.

The Word Inventory, based on the percentage of words correctly produced, quickly indicates if the more in-depth analysis is needed. The Consonant Inventory, a traditional articulation assessment, examines misarticulations by individual segments in initial and final positions. The Phonological Process Inventory probes 10 of the most frequently occurring phonological processes: assimilation, gliding, cluster simplification, final consonant deletion, weak syllable deletion, deaffrication, stopping, vocalization, depalatalization, and fronting.

The Record Form makes scoring easy by including examples of all the common phonological processes observed for each target word in the standardization sample. Practice phonological process scoring exercises are also provided in the manual, with examples drawn from many ages and levels of phonological accuracy.


Elicits sounds in multiple positions
Yields normed scores for word accuracy, consonant articulation, and phonological processes
Lists common responses from standardization for each target
Includes practice exercises for scoring the Phonological Process Inventory
Gives clinicians the ability to report either percentile ranks or standard scores (M = 100, SD = 15)
Was standardized on 1,000 children
Has high reliabilities: internal consistency from .92 to .98, test-retest from .74 to .85, and interrater from .93 to .99 for the three inventories

Complete BBTOP Kit Includes : Manual, Picture Book, 25 Record Forms, and an easel, all in a carrying case. (©1990)

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