Preschool Language Scales, Fifth Edition (PLS-5)

PLS-5 is a developmental language assessment designed for children from ages birth through 7:11. This assessment focuses on receptive and expressive language skills and provides both norm-referenced and criterion-referenced scores. The diagnostic test can be administered by a trained professional.


Risk indicator, vocabulary, phonemic awareness, phonics

Administration information

5-10 minutes
PLS-5 0-3 English Kit (Includes: Stimulus Book/Test Manual (with stimulus pages, administration and scoring directions, and technical information) and 25 Record Forms): $88.00; 3-6 English Kit (Includes: Stimulus Book/Test Manual (with stimulus pages, adm
Pre-recorded Webinars available
"Level B (Purchasing requires a master's degree in psychology, education, speech language pathology, occupational therapy, social work, counseling, or field related to assessment, and formal training in the ethical adminitration, scoring, and interpretat

Access and Use

P: 800-627-7271 F:800.232.1223
Instrument Use in Peer-Reviewed Studies

Studies on Preschool Language Scales: Cupples, L., Ching, T. Y. C., Leigh, G., Martin, L., Gunnourie, M., Button, L., … Van Buynder, P. (2018). Language Development in Deaf or Hard-of-Hearing Children with Additional Disabilities: Type Matters! Journal of Intellectual Disability Research, 62(6), 532–543.

Seager, E., & Abbot-Smith, K. (2017). Can Early Years Professionals Determine Which Preschoolers Have Comprehension Delays? A Comparison of Two Screening Tools. Child Language Teaching and Therapy, 33(1), 67–79. 

Daub, O., Bagatto, M. P., Johnson, A. M., & Cardy, J. O. (2017). Language Outcomes in Children Who Are Deaf and Hard of Hearing: The Role of Language Ability before Hearing Aid Intervention. Journal of Speech, Language, and Hearing Research, 60(11), 3310–3320.

Abel, A. D., Schuele, C. M., Arndt, K. B., Lee, M. W., & Blankenship, K. G. (2017). Another Look at the Influence of Maternal Education on Preschoolers’ Performance on Two Norm-Referenced Measures. Communication Disorders Quarterly, 38(4), 231–241.

DesJardin, J. L., Doll, E. R., Stika, C. J., Eisenberg, L. S., Johnson, K. J., Ganguly, D. H., … Henning, S. C. (2014). Parental Support for Language Development during Joint Book Reading for Young Children with Hearing Loss. Communication Disorders Quarterly, 35(3), 167–181.

Rodriguez, B. L., & Guiberson, M. (2011). Using a Teacher Rating Scale of Language and Literacy Skills with Preschool Children of English-Speaking, Spanish-Speaking, and Bilingual Backgrounds. Early Childhood Education Journal, 39(5), 303–311.

Bennett, T. A., Szatmari, P., Georgiades, K., Hanna, S., Janus, M., Georgiades, S., … Thompson, A. (2015). Do Reciprocal Associations Exist between Social and Language Pathways in Preschoolers with Autism Spectrum Disorders? Journal of Child Psychology and Psychiatry, 56(8), 874–883.

Conway, L. J., Levickis, P. A., Mensah, F., McKean, C., Smith, K., & Reilly, S. (2017). Associations between Expressive and Receptive Language and Internalizing and Externalizing Behaviours in a Community-Based Prospective Study of Slow-to-Talk Toddlers. International Journal of Language & Communication Disorders, 52(6), 839–853.

Mendelsohn, A. L., Brockmeyer, C. A., Dreyer, B. P., Fierman, A. H., Berkule-Silberman, S. B., & Tomopoulos, S. (2010). Do Verbal Interactions with Infants during Electronic Media Exposure Mitigate Adverse Impacts on Their Language Development as Toddlers? Infant and Child Development, 19(6), 577–593.

Meinzen-Derr, J., Wiley, S., Grether, S., & Choo, D. I. (2011). Children with Cochlear Implants and Developmental Disabilities: A Language Skills Study with Developmentally Matched Hearing Peers. Research in Developmental Disabilities: A Multidisciplinary Journal, 32(2), 757–767.


Manual scoring
Open Access
Resources on Psychometric Properties

Unable to find resources on Early Childhood Educators version.

Resources on PLS-5: Smith, K. (2014, October 28). PLS-5 Validity Study – A Comparison of Test Scores. Retrieved December 12, 2018, from…

Leaders. (2013). Test Review: Preschool Language Scales-Fifth Edition. Retrieved from…

Qi, C. H., & Marley, S. C. (2011). Validity Study of the “Preschool Language Scale-4” with English-Speaking Hispanic and European American Children in Head Start Programs. Topics in Early Childhood Special Education, 31(2), 89–98.