Early Literacy Research Library (ELRL) - Metric

Slosson Oral Reading Test (SORT)


Access: FREE/Open Access

evaluation focus

Reading Level

applicable ages


available language(s)



Must be purchased

additional materials

SORT – Component List


The Slosson Oral Reading Test (SORT) is a tool that can be used to measure reading level in children and adults. The SORT assesses word recognition using a list of 200 words in groups of 20 that progress steadily in difficulty through high school reading levels.


Scores Available:

    • Standard scores by Age and Grade Levels
    • T-Scores
    • Stanines
    • Normal Curve Equivalents (NCEs)

Administration Format: paper/pencil test, scantron scoring available

Administration Time: 3-5 minutes


Reliability and Validity: the most recent version of the test (SORT-R3) has been nationally standardized with norms representing a population of 1,331 from 24 states and ranging in age from preschool to adulthood. Correlations greater than or equal to 0.90 with the Peabody Individual Achievement Test (PIAT) and Woodcock- Johnson Tests of Achievement. Confidence intervals were established for grade equivalents (96%) and age equivalents (99%).


Available for Purchase: http://www.slosson.com/onlinecatalogstore_i1004020.html?catId=51705

Source: http://www.slosson.com/onlinecatalogstore_c51705.html

supporting literature

Johnson, M.E., Fisher, D.G. (1996) Evaluating Three Reading Tests for Use with Alcohol and Other Drug-Abusing Populations. Alcohol Clinical and Experimental Research, 20(6), 1125-9.
PDF: SORT – 1 – Johnson 1996
Link: https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1530-0277.1996.tb01957.x?sid=nlm%3Apubmed

Floyd, S.W. (1999) Does Phonological Awareness Predict Reading Acquisition? A Comparison of Scores on Auditory Subtests of "The Phonological Awareness Test" to Scores on the "Slosson Oral Reading Test" and the grade 2 "Scott Foresman Class Placement Test: Comprehension Subtest". University of South Carolina ProQuest Dissertations Publishing.
PDF: SORT – 2 – Floyd 1999
Link: https://www.proquest.com/openview/fa273c3506d7c7336f7013e8ff03046e/1?pq-origsite=gscholar&cbl=18750&diss=y

Davis, T.C., Crouch, M.A., Long, S.W., Jackson, R.H., Bates, P., George, R.B., Bairnsfather, L.E. (1991) Rapid Assessment of Literacy Levels of Adult Primary Care Patients. Family Medicine, 23(6), 433-435.
PDF: SORT – 3 – Davis 1991 (abstract only)
Link: https://pubmed.ncbi.nlm.nih.gov/1936717/