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| Peabody Picture Vocabulary… | 1 |
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Naglieri, Jack A.; Bardos, Achilles – Diagnostique, 1987
Confidence intervals for the 80, 85, 90, and 95 percent levels of confidence are presented for the Peabody Picture Vocabulary Test-Revised (PPVT-R) using the estimated true score and obtained score based methods. Separate tables are provided for ages 2-1/2 to 18 and ages 19 and above. (Author/VW)
Descriptors: Intelligence Tests, Scores, Test Interpretation, Verbal Ability
