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The Concurrent Validity of the Shipley-2 and the WAIS-IV

Lodge, John K.
http://rave.ohiolink.edu/etdc/view?acc_num=wsupsych1334268777

Abstract Details

2013, Doctor of Psychology (PsyD), Wright State University, School of Professional Psychology.
The recently developed Shipley-2 was compared to the Wechsler Adult Intelligence Scale, 4th edition (WAIS-IV) in order to determine the former’s level of concurrent validity as a test of intellectual ability. A convenience sample of 25 clinical subjects were administered both measures at two participating outpatient clinics, and the sum results of this testing were tabulated and then correlated through the use of a statistical software package. Results showed very strong levels of correlation between the five Shipley-2 scores (Vocabulary, Abstraction, Block Patterns, Composite A, and Composite B) and the Full Scale IQ (FSIQ) of the WAIS-IV (r = .549 to .807, p = .01), as well as moderate to strong correlations between the Shipley-2 scale scores and the Index scores from the WAIS-IV. More varied levels of correlation were detected between the WAIS-IV subtests and the various scores from the Shipley-2. These results suggest that the Shipley-2 can be effectively used as a screening tool or quick measure of intellectual ability among an outpatient clinical population or within similar mental health settings. However, a larger and more comprehensive analysis is needed in order to determine the full range of the new Shipley’s applicability as a measure of intellectual functioning.
Leon VandeCreek, Ph.D., ABPP (Committee Chair)
Jeffery Allen, Ph.D., ABPP (Committee Member)
Julie Williams, Psy.D., ABPP (Committee Member)
44 p.
Psychological Tests; Psychology
adult outpatients; concurrent validity; intellectual functioning assessment; Shipley-2; undergraduate students; WAIS-IV

Recommended Citations

Citations

  • Lodge, J. K. (2013). The Concurrent Validity of the Shipley-2 and the WAIS-IV [Doctoral dissertation, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wsupsych1334268777

    APA Style (7th edition)

  • Lodge, John. The Concurrent Validity of the Shipley-2 and the WAIS-IV. 2013. Wright State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wsupsych1334268777.

    MLA Style (8th edition)

  • Lodge, John. "The Concurrent Validity of the Shipley-2 and the WAIS-IV." Doctoral dissertation, Wright State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=wsupsych1334268777

    Chicago Manual of Style (17th edition)

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This open access ETD is published by Wright State University Professional Psychology Program and OhioLINK.