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ERIC Number: ED336389
Record Type: RIE
Publication Date: 1990-Aug
Pages: 19
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Concurrent Validation of the Wechsler Preschool and Primary Scale of Intelligence--Revised (WPPSI) with the McCarthy Scales of Children's Abilities, and the Peabody Picture Vocabulary Test--Revised.
Oakes, Jane; Faust, Douglas S.
The Wechsler Preschool and Primary Scale of Intelligence (WPPSI) has recently undergone a major revision and restandardization to update its 20-year-old norms, extend the age range down to age 3 and up to age 7 years, update and revise its test items, and increase its appeal to young children. This paper presents the results of a concurrent validation study comparing the performance of 33 preschool children, aged 48 to 60 months, on the revised WPPSI (WPPSI-R) and on the McCarthy Scales of Children's Abilities (MSCA) and the Peabody Picture Vocabulary Test--Revised (PPVT-R). A relatively high level of parental education and economic status made the sample not representative of the general population. Subjects were administered the WPPSI-R on one day and the MSCA and PPVT-R on another day, never more than 26 days later. Scores obtained on all measures were compared through Pearson product moment correlations and t-tests of the paired mean differences for the total sample. Analysis of variance techniques were used to evaluate the potential impact of order of administration or gender on test outcomes. Mean performance on each instrument was within the average range for the sample. Results suggest that the WPPSI-R samples cognitive function in a manner similar to the MSCA for this age range. The diminished intercorrelation with the PPVT-R may reflect the restricted range of the current sample or may reflect substantial differences in what the two tests measure. Five tables present study data. A 20-item list of references is included. (Author/SLD)
Publication Type: Reports - Research; Speeches/Meeting Papers
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: McCarthy Scales of Childrens Abilities; Peabody Picture Vocabulary Test (Revised); Wechsler Preschool Primary Scale Intelligence
Note: Paper presented at the Annual Meeting of the American Psychological Association (98th, Boston, MA, August 10-14, 1990).