Academic journal article College Student Journal

Saving Time: Using the Peabody Picture Vocabulary Test-III as a Screening Test of Intelligence with Undergraduates

Academic journal article College Student Journal

Saving Time: Using the Peabody Picture Vocabulary Test-III as a Screening Test of Intelligence with Undergraduates

Article excerpt

Most college and university counseling centers are overwhelmed with traditional clients. There is also an increased number of students with disabilities. Being able to screen students accurately and efficiently would save precious time. The Peabody Picture Vocabulary Test-III and the Wechsler Adult Intelligence Scale-III were given to 31 students (14 men, 17 women; 18-21 yr. old) who were enrolled in introductory psychology classes at a Midwestern university. The statistically significant correlations of .74, .67, .76, and .79, respectively, between the Peabody Standard Score Equivalents and the Wechsler Verbal and Full Scale IQs, Verbal Comprehension Index scores, and Vocabulary subtest scores suggest that the Peabody is a satisfactory screening test of intelligence for use with undergraduate college and university students.

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Time is precious! Most college and university counseling centers are overwhelmed with clients. In addition to serving the traditional clientele, there is an increased number of students with disabilities who often need to be evaluated. Being able to screen students accurately and efficiently would help save that precious commodity, time.

The Peabody Picture Vocabulary Test-III (PPVT-III; Dunn & Dunn, 1997) is a measure of receptive vocabulary and" is designed to be administered to Children as young as 2 1/2 years as well as to mature adults. The Peabody series has been used primarily as a screening device to measure intelligence. Fifteen minutes or less is required for the administration of the PPVT-III. The Wechsler Adult Intelligence Scale-Ill (WAIS-III; Wechsler, 1997) is designed to be administered to individuals 16-89 years old with administration time approximately 75-90 minutes. Since 1939 with the publication of the Wechsler-Bellevue Intelligence Scale, the Wechsler has been the test by which all adult intelligence tests are judged. The earlier editions replaced by the PPVT-III and the WAIS-III ranked in the top 7 in frequency of mention of use among instruments of all types by psychologists in a wide variety of settings (Lubin, Larsen, & Matarazzo, 1984). The trust placed in these two instruments is obvious.

Because both tests were revised and published in 1997, the authors had little, if any, opportunity to determine the relationships between the two new revisions; therefore, this study was undertaken to supply some preliminary data about the concurrent criterion-related validity of the two revisions. Specifically, answers to three questions were sought: (1) What are the correlations between the WAIS-III Verbal (V), Performance (P), and Full Scale (FS) IQs and the PPVT-III Standard Score Equivalents (SSE)? (2) What is the correlation between the WAIS-III Verbal Comprehension Index (VCI), which is comprised of the Vocabulary, Similarities, and Information subtests, and the PPVT-III SSE? (3) What is the correlation between the WAIS-III Vocabulary subtest score and the PPVT-III SSE?

Method

Participants

The participants included 31 undergraduates (14 men, 17 women; 18-21 years old) from a Midwestern university of approximately 5,400 students. The sample consisted of one Hispanic woman and 30 Caucasian men and women. …

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