WAIS-IV Seven-Subtest Short Form: Validity and Clinical Use in Schizophrenia

Bulzacka, E.; Meyers, John E.; Boyer, Laurent; Gloahec, T. Le; Fond, Guillaume; Szöke, Andreı̈; Leboyer, Marion; Schürhoff, Franck

doi:10.1093/arclin/acw063

Cited by 18 publications

(16 citation statements)

References 34 publications

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“…The results of the regression analyses and the paired-samples t-test comparing the two short forms' values with the complete WAIS-IV were somewhat contradictory. According to the regression analyses the seven-subtest short form (Ward, 1990) was a very good predictor of FSIQ in the Swedish adaptation of the WAIS-IV, explaining 93.1% of the variance of FSIQ which is congruent with earlier findings (Meyers et al, 2013;Bulzacka et al, 2016). Also, at an index level the validity coefficients of the short form (Ward, 1990) showed strong correlations ranging between adjusted r 2 = .913 for VCI , and adjusted r 2 = .679 for PRI.…”

Section: Resultssupporting

confidence: 84%

“…This seven-subtest short form, originating in the WAIS-R had correlations of .96, .97, and .98 with the Performance IQ (PIQ), Verbal IQ (VIQ), and Full-Scale IQ (FSIQ), respectively, of their full-length WAIS-R equivalents (Ward 1990) and is one of the currently most applied abbreviations (e.g. Bulzacka et al, 2016;Strauss, Sherman, & Spreen, 2006). Thus, in the literature much speaks for the benefit of the Ward (1990) formula.…”

Section: Introductionmentioning

confidence: 99%

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Cross-cultural applicability and reduction of the American seven-subtest short form of the WAIS on a Swedish non-clinical sample

Lindau

Najström

2018

Nordic Psychology

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The study aimed at investigating whether the seven-subtest short form based on WAIS-R (Ward 1990) was statistically valid to use on the Swedish version of Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV), if this abbreviation was fit to catch the heterogeneity in test performance across age and if this brief measure was possible to abbreviate even more. WAIS-IV data from a non-clinical sample consisting of 261 participants ranging between 18 and 74 in age was analyzed with bivariate and multiple regression analyses, a prorating method for calculation of Full Scale IQ (FSIQ) and its indices as well as paired-samples t-test. The results were contradictory. When the original WAIS-IV was compared to the seven-subtest short form the results showed a good congruence on FSIQ-level between the two sets, but on index level there were several cases of mismatches. In the younger and middle aged sample (<55 years) results on FSIQ as well as index level were in accordance, whereas in the elderly group (55 years) they were incongruent. The best reduction of the seven-subtest short form was a four-subtest model, encompassing Block Design, Similarities, Arithmetic and Coding, one subtest from each index, but the ttests indicated several cases of mismatches between the full WAIS-IV measures and the prorated scores. Applied on the Swedish version of the WAIS-IV the seven-subtest formula appears to be applicable on an FSIQ level, to be suitable for a younger sample, but not for an elderly. Otherwise, this model and the four-subtest model are recommended to be used with caution.

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Section: Resultssupporting

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Cross-cultural applicability and reduction of the American seven-subtest short form of the WAIS on a Swedish non-clinical sample

Lindau

Najström

2018

Nordic Psychology

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“…The WAIS‐IV performance pattern of our FEP patients almost accords with that of chronic samples (Bulzacka et al, ; Michel et al, ) exhibiting poorer and impaired performance in processing speed and relatively preserved ability in verbal comprehension. This finding echoes well‐established evidence indicating processing speed as the most sensitive function and verbal comprehension as relatively resilient to psychotic illness (Heinrichs & Zakzanis, ; Schaefer, Giangrande, Weinberger, & Dickinson, ).…”

Section: Discussionsupporting

confidence: 78%

Organization framework and preliminary findings from the Athens First‐Episode Psychosis Research Study

Xenaki

Kollias

Stefanatou

et al. 2019

Early Intervention Psych

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Aims: Athens First-Episode Psychosis (FEP) Research study, aims to explore the potential associations between multiple genetic, environmental and neurometabolic risk factors of psychotic disorders, through the clinical management of FEP patients with minimal exposure (<2 weeks) to antipsychotic treatment at entry. The goal of this paper is to introduce the background, rationale and design of the study and present its preliminary findings. Methods: We developed a longitudinal cohort study of FEP patients 16-45 years old, presenting at the emergency units of five psychiatric hospitals across Athens, Greece. Research timeline includes baseline, 1-month and 1-year follow-up. Clinical, genetic, environmental, cognitive and biochemical parameters are measured, using psychometric tools, clinical interviews and laboratory tests. A descriptive analysis of baseline and 1-month assessments was performed including demographic characteristics, family history, medication, clinical picture, traumatic experiences, drug use and cognitive functioning.Results: During the last 3 years, 130 subjects have been enrolled in the study. Data so far reveal that, despite the severity of baseline presentation, at 1-month the majority (57.4%) met the Andreasen symptom severity criteria for remission, without the time criterion and showed mild functional improvement. Several environmental adversities and poor cognitive performance were identified, which need to be further elaborated.Conclusions: Athens FEP Research study is the first gene-environment interaction study in Greece. In this article we introduce the organization and methodological framework of the project, along with its basic initial findings. Future analysis will allow the validation of tractable predictors and risk factors implicated in the development and outcome of psychosis.

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“…WARD 7, the seven subtests of the WAIS proposed by Ward (1990), is useful for people with mental illness who find it difficult to focus and get motivated. The reliability and validity of this tool have been confirmed in studies of psychiatric patients including schizophrenia (Bulzacka et al, 2016;Kim et al, 2005). The Cronbach's alpha value of this instrument was 0.87.…”

Section: Intelligencementioning

confidence: 90%

Effects of a Korean version of the metacognitive training program for outpatients with schizophrenia on theory of mind, positive symptoms, and interpersonal relationships

Park

Lee

Kim

2019

Behav. Cogn. Psychother.

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Background:Since the significance of metacognition as the theoretical basis of a psychological intervention for schizophrenia first emerged, there have been ongoing attempts to restore or strengthen patients’ metacognitive abilities.Aim:A Korean version of the metacognitive training (MCT) program was developed, and its effects on theory of mind, positive and negative symptoms, and interpersonal relationships were examined in stable outpatients with schizophrenia.Method:A pre-test–post-test design with a control group was used. The participants were 59 outpatients (30 in experimental group, 29 in control group) registered at five mental health facilities in a city in South Korea. The developed MCT program was applied for a total of 18 sessions, 60 min per session, over a period of 14 weeks. The hinting task, false belief task, Scale for the Assessment of Positive and Negative Symptoms, and Relationship Change Scale were used to verify the effects of this program. Data were analysed by the chi-square test, t-test, and Mann–Whitney U-test using the SPSS/PASW 18.0 statistics program.Results:The general characteristics, intelligence, and outcome variables of the two groups were homogeneous. After the intervention, the experimental group showed significant improvements in theory of mind, positive and negative symptoms and interpersonal relationships compared with the control group.Conclusion:These results suggest that the MCT program can be a complementary psychotherapy that contributes to symptom relief and interpersonal functioning in patients with schizophrenia, and is effective in the Korean culture, beyond the Western context.

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WAIS-IV Seven-Subtest Short Form: Validity and Clinical Use in Schizophrenia

Cited by 18 publications

References 34 publications

Cross-cultural applicability and reduction of the American seven-subtest short form of the WAIS on a Swedish non-clinical sample

Cross-cultural applicability and reduction of the American seven-subtest short form of the WAIS on a Swedish non-clinical sample

Organization framework and preliminary findings from the Athens First‐Episode Psychosis Research Study

Effects of a Korean version of the metacognitive training program for outpatients with schizophrenia on theory of mind, positive symptoms, and interpersonal relationships

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