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The Peabody Picture Vocabulary Test, Fourth Edition (PPVT-4) is an individually administered, norm-referenced instrument that assesses receptive vocabulary for individuals age 2 years 6 months through 90 years and older.PPVT-4 is available in two parallel forms.Each form contains training items and 228 test items, each consisting of four full-color pictures as response options on a page.For each item, the examiner says a word, and the examinee responds by selecting the picture that best illustrates that word's meaning.PPVT-4 may be administered by individuals with a range of educational backgrounds, including speech-language pathologists, school psychologists, learning disabilities specialists, and educational diagnosticians, who are trained in standardized test administration.Professionals can use PPVT-4 as a part of a larger assessment battery or simply as a broad indicator of oral vocabulary or verbal ability.
Attaway et al. (Tue,) studied this question.