The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia

Selma Cilem Kizilpinar; Gulbahar Bastug; Erguvan Tugba Ozel Kizil

doi:10.5455/PBS.20230213045240

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Original Research

PBS. 2023; 13(3): 137-145

doi: 10.5455/PBS.20230213045240

The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia

Selma Cilem Kizilpinar, Gulbahar Bastug, Erguvan Tugba Ozel Kizil.

Abstract
Objective: The assessment of premorbid intelligence and adjustment/functioning in schizophrenia is quite important for clinical evaluation. Several methods can be used to estimate premorbid functioning. However, these methods may be affected by retrospective bias, verbal skills, and the disorder itself. This study aimed to investigate whether the Raven’s Standard Progressive Matrices Test (RSPM) performance is related to premorbid intelligence/functioning, or adjustment in schizophrenia.
Methods: Schizophrenia patients (n=31) and healthy controls (n=30) were included in the study. The Premorbid Adjustment Scale (PAS), the Positive and Negative Syndrome Scale (PANSS), and the Personal and Social Performance Scale (PSPS) were applied to patients with schizophrenia, while the WAIS-R and the RSPM were applied to all participants.
Results: No statistically significant differences were observed between the groups in terms of age, sex, and total years of education (p=0.86, p=0.06 and p=0.10, respectively). Healthy controls performed significantly better than the patient group in terms of intellectual abilities as measured by the RSPM and the WAIS-R. The RSPM performance was correlated with all WAIS-R scores, total years of education, and the academic subscale of the PAS, while it was not correlated with the PAS-developmental scores or the PSPS and PANSS scores of patients with schizophrenia.
Conclusion: The results of the study support the validity of the RSPM which is an easily applied tool that is not affected by verbal skills as a good measure of premorbid intelligence, and adjustment/ functionality in patients with schizophrenia.

Key words: premorbid functionality, premorbid adjustment, premorbid intelligence, Raven’s Standard Progressive Matrices Test, schizophrenia, WAIS-R

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How to Cite this Article

Pubmed Style

Kizilpinar SC, Bastug G, Kizil ETO. The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. PBS. 2023; 13(3): 137-145. doi:10.5455/PBS.20230213045240

Web Style

Kizilpinar SC, Bastug G, Kizil ETO. The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. https://www.pbsciences.org/?mno=143678 [Access: September 12, 2024]. doi:10.5455/PBS.20230213045240

AMA (American Medical Association) Style

Kizilpinar SC, Bastug G, Kizil ETO. The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. PBS. 2023; 13(3): 137-145. doi:10.5455/PBS.20230213045240

Vancouver/ICMJE Style

Kizilpinar SC, Bastug G, Kizil ETO. The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. PBS. (2023), [cited September 12, 2024]; 13(3): 137-145. doi:10.5455/PBS.20230213045240

Harvard Style

Kizilpinar, S. C., Bastug, . G. & Kizil, . E. T. O. (2023) The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. PBS, 13 (3), 137-145. doi:10.5455/PBS.20230213045240

Turabian Style

Kizilpinar, Selma Cilem, Gulbahar Bastug, and Erguvan Tugba Ozel Kizil. 2023. The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. Psychiatry and Behavioral Sciences, 13 (3), 137-145. doi:10.5455/PBS.20230213045240

Chicago Style

Kizilpinar, Selma Cilem, Gulbahar Bastug, and Erguvan Tugba Ozel Kizil. "The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia." Psychiatry and Behavioral Sciences 13 (2023), 137-145. doi:10.5455/PBS.20230213045240

MLA (The Modern Language Association) Style

APA (American Psychological Association) Style

Kizilpinar, S. C., Bastug, . G. & Kizil, . E. T. O. (2023) The Raven’s Standard Progressive Matrices Performance is Associated with Premorbid Intelligence, Functioning or Adjustment in Patients with Schizophrenia. Psychiatry and Behavioral Sciences, 13 (3), 137-145. doi:10.5455/PBS.20230213045240

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