- Ages 2 years to 80+
- Testing Time: 20 minutes
- Norm-referenced: raw scores; standard scores; percentile ranks; age equivalents
- Complete ROWPVT kit: Manual; Test Plates; 25 English Record Forms, in vinyl folder (2010)
- Qualification Level: B
The ROWPVT – 4th Edition assesses an individual’s ability to match a word that is heard to objects, actions, or concepts. Full-color pictures for 190 items reflect concepts that follow a developmental sequence. Updated word lists and images feature real-life topics of home, school, or media, which are presented in sets of four pictures. Begin the test based on chronological age, and discontinue testing when the ceiling is reached. Provide a comprehensive assessment along with the co-normed EOWPVT-4.
Valid And Reliable
The ROWPVT-4 is a valid and reliable instrument. The standardization sample includes more than 2,400 children and adults ages 2 years, 0 months to103 years from 26 states in the U.S. The standardization sample closely resembles the demographics of the U.S. population. It has a high degree of reliability for Internal Consistency, ranging from 0.94 to 0.98 for the various age groups, with a median of 0.97 across all ages. The test-retest correlation for raw scores is 0.97 and 0.91 for standard scores. The validity data support this test as an instrument for assessing vocabulary abilities across a wide range of ages.