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Dysphonia Severity Index

The Dysphonia Severity Index (DSI) is an objective multiparametric acoustic tool designed to assess voice...

September 12, 2026 • Dr. Mohammed Looti
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GRBAS Voice Assessment Instrument

A comprehensive academic review of the GRBAS Voice Assessment Instrument developed by Minoru Hirano (1981),...

September 12, 2026 • Dr. Mohammed Looti
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Voice Related Quality of Life Measure

A comprehensive academic analysis of the Voice Related Quality of Life Measure (V-RQOL), detailing its...

September 12, 2026 • Dr. Mohammed Looti
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Utrecht Communication Assessment

The Utrecht Communication Assessment (Utrechts Communicatie Onderzoek, UCO) is a clinical observational instrument developed in...

September 12, 2026 • Dr. Mohammed Looti
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Voice Handicap Index

The Voice Handicap Index (VHI) is a clinically validated, 30-item patient-reported outcome measure developed by...

September 12, 2026 • Dr. Mohammed Looti
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Verbs and Sentences Test

The Verbs and Sentences Test (Werkwoorden- en Zinnentest; WEZT) is an authoritative neurolinguistic diagnostic battery...

September 12, 2026 • Dr. Mohammed Looti
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Scenario Test

The Scenario Test is an ecologically valid psychometric instrument designed to evaluate functional communication in...

September 11, 2026 • Dr. Mohammed Looti
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ScreeLing

The ScreeLing is a standardized, diagnostic psycholinguistic bedside screening tool developed by Sabine Doesborgh and...

September 11, 2026 • Dr. Mohammed Looti
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Dutch NonSpeech Test

The Dutch NonSpeech Test (Nederlandstalige NonSpeech test; NNST) is a standardized observational assessment measuring early...

September 11, 2026 • Dr. Mohammed Looti