Evidence map›Paper›PMID 42482531›Full record

ArticleInternational journal of methods in psychiatric research2026

The Turkish Version of the Modified Agitation Severity Scale: Validity and Reliability Study.

Fahriye Oflaz, Pınar Çetinay Aydın, Tuğba Şahin Tokatlıoğlu, Yusuf Ezel Yıldırım, Kaan Fırat Demirel, Erdem Efe

Abstract readValidation Study
In one paragraph

Article in International journal of methods in psychiatric research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

6 authors.

Fahriye OflazSchool of Nursing, Koç University, Istanbul, Türkiye.ORCID https://orcid.org/0000-0002-3878-028X
Pınar Çetinay AydınDepartment of Psychiatry, University of Health Sciences, Bakirkoy Prof. Dr. Mazhar Osman Training and Research Hospital for Mental Health and Neurological Diseases, Istanbul, Türkiye.ORCID https://orcid.org/0000-0002-1605-2724
Tuğba Şahin TokatlıoğluDepartment of Nursing, Faculty of Health Sciences, Istanbul Aydın University, Istanbul, Türkiye.ORCID https://orcid.org/0000-0003-2569-9906
Yusuf Ezel YıldırımDepartment of Psychiatry, University of Health Sciences, Bakirkoy Prof. Dr. Mazhar Osman Training and Research Hospital for Mental Health and Neurological Diseases, Istanbul, Türkiye.ORCID https://orcid.org/0000-0001-9089-069X
Kaan Fırat DemirelDepartment of Psychiatry, University of Health Sciences, Bakirkoy Prof. Dr. Mazhar Osman Training and Research Hospital for Mental Health and Neurological Diseases, Istanbul, Türkiye.
Erdem EfeDepartment of Psychiatry, University of Health Sciences, Bakirkoy Prof. Dr. Mazhar Osman Training and Research Hospital for Mental Health and Neurological Diseases, Istanbul, Türkiye.ORCID https://orcid.org/0009-0001-8132-2073

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThis study aimed to evaluate the validity and reliability of the Turkish version of the Modified Agitation Severity Scale (MASS) among patients diagnosed with schizophrenia and bipolar disorder.

methodsThe study was conducted in the acute male psychiatry unit of a regional mental health hospital in Istanbul, with 136 patients who met the inclusion criteria. The adaptation process involved translation, back-translation, expert review, and pilot testing. Reliability analyses included the Kuder-Richardson Formula 20 (KR-20) for dichotomous scoring and Cronbach's alpha for weighted scoring. Item-total correlations and "alpha if item deleted" values were examined. Construct validity was assessed through correlations with the Overt Aggression Scale (OAS). Criterion validity was evaluated by comparing MASS scores between patients who required clinical intervention and those who did not.

resultsThe Turkish MASS demonstrated strong internal consistency (KR-20 = 0.863; Cronbach's alpha = 0.828). Item-total correlations were within acceptable ranges. Significant positive correlations were observed between MASS total scores and OAS subscale scores (r = 0.324-0.816), supporting construct validity. Patients who required intervention had significantly higher MASS scores than those who did not (17.57 ± 10.01 vs. 2.58 ± 2.55; p < 0.001), confirming criterion-related validity.

conclusionThe Turkish version of the MASS is a valid, reliable, and practical instrument for assessing agitation in psychiatric settings. It offers an objective and standardized method that supports timely detection, early intervention, and improved patient safety.

Indexed as

Bipolar DisorderPsychiatric Status Rating ScalesPsychometricsPsychomotor AgitationSchizophreniaSeverity of Illness IndexAdultHumansMaleMiddle AgedReproducibility of ResultsTurkeyYoung Adultagitationpsychometricspsychomotor agitationvalidation studies

Identifiers

PMID42482531
PMCPMC13389430

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.