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Peabody Picture Vocabulary Test : ウィキペディア英語版 | Peabody Picture Vocabulary Test
The Peabody Picture Vocabulary Test, the 2007 edition of which is known as the PPVT-IV, is an untimed test of receptive vocabulary for Standard American English and is intended to provide a quick estimate of verbal ability and scholastic aptitude. It was developed in 1959 by special education specialists Lloyd M. Dunn and Leota M. Dunn. The current version lists L.M. Dunn and his son D.M. Dunn as authors.〔http://psychcorp.pearsonassessments.com/HAIWEB/Cultures/en-us/Productdetail.htm?Pid=PAa30700〕〔http://www.pearsonassessments.com/HAIWEB/Cultures/en-us/Productdetail.htm?Pid=PAa12010&Mode=summary〕 ==Procedure== The test is given verbally and takes from twenty to thirty minutes to complete. No reading is required by the individual, and scoring is rapid. For its administration, the examiner presents a series of pictures to each person. There are four pictures to a page, and each is numbered. The examiner speaks a word describing one of the pictures and asks the individual to point to or say the number of the picture that the word describes. Item responses can also be made by multiple choice selection depending on the age of the person being tested. The total score can be converted to a percentile rank, mental age, or a standard deviation IQ score. Although desirable, no special training is required to properly administer and score the PPVT-IV. The test publisher recommends that anyone interpreting or explaining the test scores should have knowledge in psychological testing and statistics.
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