Item responses can also be made by multiple choice selection depending on the age of the person being tested.
The PPVT-IV was developed from adult norms obtained on 828 persons ages 19 to 40 selected to be nationally representative of geographical regions and major occupational groups.
The PPVT-IV provides an estimate of the client's verbal intelligence and has been administered to groups who had reading or speech problems, had intellectual disability, or were emotionally withdrawn.
Studies of earlier versions of the test suggested that it tended to underestimate full-scale IQ scores for both intellectually disabled and gifted test-takers.
Because the manner of the individual's response to stimulus vocabulary is to point in any fashion to one of four pictures that best fits the stimulus work, these tests also apply to rehabilitation of individuals who have multiple physical impairments, but whose hearing and vision are intact.
One mechanized testing system employed a Digital Equipment Corporation PDP-12 computer, interfaced with a Universal Digital Controller to control the random access audio system and the slide projector.
[3] An e-assessment project, published in the mid-1980s, conducted an examination of both test validity and test reliability using a personal computer (Apple II) for administering the Peabody Picture Vocabulary Test-Revised (PPVT-R) compared to a traditional paper and pencil administration.
The software administration also included offering verbal praise to the child for correct responses when appropriate and informing each student when the test was completed.