{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T13:12:37Z","timestamp":1778332357939,"version":"3.51.4"},"reference-count":65,"publisher":"Springer Science and Business Media LLC","issue":"5","license":[{"start":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:00:00Z","timestamp":1775606400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T00:00:00Z","timestamp":1775606400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Neurol Sci"],"published-print":{"date-parts":[[2026,5]]},"DOI":"10.1007\/s10072-026-09014-3","type":"journal-article","created":{"date-parts":[[2026,4,8]],"date-time":"2026-04-08T11:26:07Z","timestamp":1775647567000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Development, validity, and reliability of the Parkinson\u2019s voice and speech handicap index (PaVSHI)"],"prefix":"10.1007","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6204-8208","authenticated-orcid":false,"given":"Elif","family":"Tun\u00e7 Songur","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5624-267X","authenticated-orcid":false,"given":"Fatma","family":"Esen Aydinli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2923-1764","authenticated-orcid":false,"given":"\u00d6nal","family":"\u0130ncebay","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4548-5964","authenticated-orcid":false,"given":"\u00d6zlem","family":"Ya\u015far","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0137-5950","authenticated-orcid":false,"given":"Aydan","family":"Dumbak","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1132-3660","authenticated-orcid":false,"given":"Ezgi","family":"Yeti\u0307m Arsava","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8545-7939","authenticated-orcid":false,"given":"G\u00fcl","family":"Yal\u00e7in \u00c7akmakli","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,4,8]]},"reference":[{"key":"9014_CR1","unstructured":"Freed DB (2020) Hypokinetic Dysarthria, in Motor speech disorders: diagnosis and treatment. plural publishing. p. 208"},{"issue":"3","key":"9014_CR2","doi-asserted-by":"publisher","first-page":"209","DOI":"10.1097\/MOO.0000000000000151","volume":"23","author":"LA Mahler","year":"2015","unstructured":"Mahler LA, Ramig LO, Fox C (2015) Evidence-based treatment of voice and speech disorders in Parkinson disease. Curr Opin Otolaryngol Head Neck Surg 23(3):209\u2013215","journal-title":"Curr Opin Otolaryngol Head Neck Surg"},{"issue":"3","key":"9014_CR3","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1155\/1999\/327643","volume":"11","author":"AK Ho","year":"1999","unstructured":"Ho AK et al (1999) Speech impairment in a large sample of patients with Parkinson\u2019s disease. Behav Neurol 11(3):131\u2013137","journal-title":"Behav Neurol"},{"issue":"1","key":"9014_CR4","doi-asserted-by":"publisher","first-page":"350","DOI":"10.1121\/1.3514381","volume":"129","author":"J Rusz","year":"2011","unstructured":"Rusz J et al (2011) Quantitative acoustic measurements for characterization of speech and voice disorders in early untreated Parkinson\u2019s disease. J Acoust Soc Am 129(1):350\u2013367","journal-title":"J Acoust Soc Am"},{"key":"9014_CR5","unstructured":"Duffy JR (2012) The Disorders and Their Diagnoses, in Motor speech disorders: Substrates, differential diagnosis, and management. Elsevier Health Sciences"},{"issue":"3","key":"9014_CR6","doi-asserted-by":"publisher","first-page":"581","DOI":"10.1002\/mds.28415","volume":"36","author":"R Berlot","year":"2021","unstructured":"Berlot R et al (2021) Variability of movement disorders: the influence of sensation, action, cognition, and emotions. Mov Disord 36(3):581\u2013593","journal-title":"Mov Disord"},{"key":"9014_CR7","doi-asserted-by":"publisher","first-page":"401","DOI":"10.1007\/s00221-009-2048-2","volume":"201","author":"MJ Hammer","year":"2010","unstructured":"Hammer MJ, Barlow SM (2010) Laryngeal somatosensory deficits in Parkinson\u2019s disease: implications for speech respiratory and phonatory control. Exp Brain Res 201:401\u2013409","journal-title":"Exp Brain Res"},{"key":"9014_CR8","doi-asserted-by":"publisher","first-page":"576569","DOI":"10.3389\/fneur.2020.576569","volume":"11","author":"G Sharpe","year":"2020","unstructured":"Sharpe G et al (2020) Non-pharmacological treatment challenges in early Parkinson\u2019s disease for axial and cognitive symptoms: a mini review. Front Neurol 11:576569","journal-title":"Front Neurol"},{"issue":"4","key":"9014_CR9","doi-asserted-by":"publisher","first-page":"2027","DOI":"10.3233\/JPD-212621","volume":"11","author":"AK Silbergleit","year":"2021","unstructured":"Silbergleit AK et al (2021) Self-perception of voice and swallowing handicap in Parkinson\u2019s disease. J Parkinson\u2019s Disease 11(4):2027\u20132034","journal-title":"J Parkinson\u2019s Disease"},{"issue":"2","key":"9014_CR10","doi-asserted-by":"publisher","first-page":"408","DOI":"10.1002\/lary.25481","volume":"126","author":"MR van Hooren","year":"2016","unstructured":"van Hooren MR et al (2016) Voice-and swallow\u2010related quality of life in idiopathic P arkinson\u2019s disease. Laryngoscope 126(2):408\u2013414","journal-title":"Laryngoscope"},{"issue":"3","key":"9014_CR11","doi-asserted-by":"publisher","first-page":"66","DOI":"10.1044\/1058-0360.0603.66","volume":"6","author":"BH Jacobson","year":"1997","unstructured":"Jacobson BH et al (1997) The voice handicap index (VHI) development and validation. Am J speech-language Pathol 6(3):66\u201370","journal-title":"Am J speech-language Pathol"},{"issue":"9","key":"9014_CR12","doi-asserted-by":"publisher","first-page":"1549","DOI":"10.1097\/00005537-200409000-00009","volume":"114","author":"CA Rosen","year":"2004","unstructured":"Rosen CA et al (2004) Development and validation of the voice handicap index-10. Laryngoscope 114(9):1549\u20131556","journal-title":"Laryngoscope"},{"issue":"4","key":"9014_CR13","doi-asserted-by":"publisher","first-page":"557","DOI":"10.1016\/S0892-1997(99)80010-1","volume":"13","author":"ND Hogikyan","year":"1999","unstructured":"Hogikyan ND, Sethuraman G (1999) Validation of an instrument to measure voice-related quality of life (V-RQOL). J Voice 13(4):557\u2013569","journal-title":"J Voice"},{"issue":"5","key":"9014_CR14","doi-asserted-by":"publisher","first-page":"483","DOI":"10.1016\/S0022-3999(02)00469-5","volume":"54","author":"IJ Deary","year":"2003","unstructured":"Deary IJ et al (2003) VoiSS: a patient-derived voice symptom scale. J Psychosom Res 54(5):483\u2013489","journal-title":"J Psychosom Res"},{"issue":"5","key":"9014_CR15","doi-asserted-by":"publisher","first-page":"693","DOI":"10.1080\/13682820802317536","volume":"44","author":"M Walshe","year":"2009","unstructured":"Walshe M, Peach RK, Miller N (2009) Dysarthria impact profile: development of a scale to measure psychosocial effects. Int J Lang Commun Disord 44(5):693\u2013715","journal-title":"Int J Lang Commun Disord"},{"issue":"4","key":"9014_CR16","doi-asserted-by":"publisher","first-page":"335","DOI":"10.1044\/1058-0360(2008\/07-0010)","volume":"17","author":"NJ Donovan","year":"2008","unstructured":"Donovan NJ et al (2008) The communicative effectiveness survey: preliminary evidence of construct validity. Am J Speech Lang Pathol 17(4):335\u2013347","journal-title":"Am J Speech Lang Pathol"},{"issue":"4","key":"9014_CR17","doi-asserted-by":"publisher","first-page":"1190","DOI":"10.1044\/1092-4388(2012\/12-0140)","volume":"56","author":"C Baylor","year":"2013","unstructured":"Baylor C et al (2013) The Communicative Participation Item Bank (CPIB): item bank calibration and development of a disorder-generic short form. J Speech Lang Hear Res 56(4):1190\u20131208","journal-title":"J Speech Lang Hear Res"},{"issue":"1","key":"9014_CR18","doi-asserted-by":"publisher","first-page":"11","DOI":"10.1159\/000111799","volume":"60","author":"L Hartelius","year":"2008","unstructured":"Hartelius L et al (2008) Living with dysarthria: evaluation of a self-report questionnaire. Folia Phoniatr et logopaedica 60(1):11\u201319","journal-title":"Folia Phoniatr et logopaedica"},{"issue":"3","key":"9014_CR19","doi-asserted-by":"publisher","first-page":"204","DOI":"10.3109\/09638288.2010.508099","volume":"33","author":"N Miller","year":"2011","unstructured":"Miller N et al (2011) Changing perceptions of self as a communicator in Parkinson\u2019s disease: a longitudinal follow-up study. Disabil Rehabil 33(3):204\u2013210","journal-title":"Disabil Rehabil"},{"issue":"3","key":"9014_CR20","doi-asserted-by":"publisher","first-page":"235","DOI":"10.1093\/ageing\/afj053","volume":"35","author":"N Miller","year":"2006","unstructured":"Miller N et al (2006) Life with communication changes in Parkinson\u2019s disease. Age Ageing 35(3):235\u2013239","journal-title":"Age Ageing"},{"key":"9014_CR21","doi-asserted-by":"publisher","DOI":"10.1016\/j.parkreldis.2024.106944","author":"F Contreras-Ruston","year":"2024","unstructured":"Contreras-Ruston F et al (2024) Voice self-assessment in individuals with Parkinson\u2019s Disease as compared to general voice disorders. Parkinsonism & Related Disorders. https:\/\/doi.org\/10.1016\/j.parkreldis.2024.106944","journal-title":"Parkinsonism & Related Disorders"},{"key":"9014_CR22","first-page":"100074","volume":"3","author":"M Dumican","year":"2020","unstructured":"Dumican M, Watts C (2020) Self-perceptions of speech, voice, and swallowing in motor phenotypes of Parkinson\u2019s disease. Clin Park Relat Disord 3:100074","journal-title":"Clin Park Relat Disord"},{"issue":"2","key":"9014_CR23","doi-asserted-by":"publisher","first-page":"258e13","DOI":"10.1016\/j.jvoice.2016.05.017","volume":"31","author":"I Guimaraes","year":"2017","unstructured":"Guimaraes I et al (2017) The Psychometric Properties of the Voice Handicap Index in People With Parkinson\u2019s Disease. J Voice 31(2):258e13\u2013258e18","journal-title":"J Voice"},{"key":"9014_CR24","doi-asserted-by":"crossref","unstructured":"Dumican M, Harper K, Malczewski A (2024) Self-Reported Voice and Swallow Questionnaires\u2019 Alignment with Unified Parkinson\u2019s Disease Rating Scale Questions: A Preliminary Study. Journal of Voice","DOI":"10.1016\/j.jvoice.2024.03.022"},{"issue":"1","key":"9014_CR25","doi-asserted-by":"publisher","first-page":"146","DOI":"10.1044\/2021_JSLHR-21-00216","volume":"65","author":"CR Watts","year":"2022","unstructured":"Watts CR, Zhang Y (2022) Progression of self-perceived speech and swallowing impairment in early stage Parkinson\u2019s disease: longitudinal analysis of the unified Parkinson\u2019s disease rating scale. J Speech Lang Hear Res 65(1):146\u2013158","journal-title":"J Speech Lang Hear Res"},{"key":"9014_CR26","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1186\/s40814-017-0222-z","volume":"4","author":"CM Sackley","year":"2018","unstructured":"Sackley CM et al (2018) Lee Silverman Voice Treatment versus standard speech and language therapy versus control in Parkinson\u2019s disease: a pilot randomised controlled trial (PD COMM pilot). Pilot Feasibility Stud 4:1\u201310","journal-title":"Pilot Feasibility Stud"},{"key":"9014_CR27","doi-asserted-by":"crossref","unstructured":"Spielman J et al (2007) Effects of an extended version of the Lee Silverman Voice Treatment on voice and speech in Parkinson\u2019s disease.","DOI":"10.1044\/1058-0360(2007\/014)"},{"issue":"6","key":"9014_CR28","doi-asserted-by":"publisher","first-page":"688","DOI":"10.1016\/j.jcomdis.2011.05.003","volume":"44","author":"J Spielman","year":"2011","unstructured":"Spielman J et al (2011) Intensive voice treatment (LSVT\u00ae LOUD) for Parkinson\u2019s disease following deep brain stimulation of the subthalamic nucleus. J Commun Disord 44(6):688\u2013700","journal-title":"J Commun Disord"},{"issue":"2","key":"9014_CR29","doi-asserted-by":"publisher","first-page":"215","DOI":"10.1111\/1460-6984.12132","volume":"50","author":"S Wight","year":"2015","unstructured":"Wight S, Miller N (2015) Lee Silverman voice treatment for people with Parkinson\u2019s: audit of outcomes in a routine clinic. Int J Lang Commun Disord 50(2):215\u2013225","journal-title":"Int J Lang Commun Disord"},{"key":"9014_CR30","unstructured":"Strauss A, Corbin J (1998) Basics of qualitative research techniques."},{"issue":"1","key":"9014_CR31","first-page":"1","volume":"6","author":"P Y\u00fcksel","year":"2015","unstructured":"Y\u00fcksel P, Y\u0131ld\u0131r\u0131m S (2015) Theoretical frameworks, methods, and procedures for conducting phenomenological studies in educational settings. Turkish online J qualitative Inq 6(1):1\u201320","journal-title":"Turkish online J qualitative Inq"},{"key":"9014_CR32","unstructured":"Patton MQ (2014) Qualitative research & evaluation methods: Integrating theory and practice. Sage"},{"key":"9014_CR33","unstructured":"MAXQDA. [cited (2025) 22.03] ; Available from: https:\/\/www.maxqda.com\/new-maxqda-24"},{"issue":"1","key":"9014_CR34","doi-asserted-by":"publisher","first-page":"3","DOI":"10.1007\/BF00988593","volume":"13","author":"JM Corbin","year":"1990","unstructured":"Corbin JM, Strauss A (1990) Grounded theory research: procedures, canons, and evaluative criteria. Qual Sociol 13(1):3\u201321","journal-title":"Qual Sociol"},{"key":"9014_CR35","unstructured":"Merriam SB (1998) Qualitative Research and Case Study Applications in Education. Revised and Expanded from Case Study Research in Education. ERIC"},{"key":"9014_CR36","unstructured":"Y\u0131ld\u0131r\u0131mA. \u015eH and. Sosyal bilimlerde nitel ara\u015ft\u0131rma y\u00f6ntemleri. Ankara: Se\u00e7kin Yay\u0131nc\u0131l\u0131k"},{"issue":"6","key":"9014_CR37","first-page":"435","volume":"25","author":"LM Connelly","year":"2016","unstructured":"Connelly LM (2016) Trustworthiness in qualitative research. Medsurg Nurs 25(6):435","journal-title":"Medsurg Nurs"},{"key":"9014_CR38","unstructured":"G\u00fcngen C, Eker ET, Ya\u015far E, Engin R (2002) (13) F, Standardize mini mental test\u2019in T\u00fcrk toplumunda hafif demans tan\u0131s\u0131nda ge\u00e7erlik ve g\u00fcvenilirli\u011fi. T\u00fcrk Psikiyatri Dergisi, : pp. 273\u2013281"},{"issue":"1","key":"9014_CR39","doi-asserted-by":"publisher","first-page":"e3343","DOI":"10.1002\/brb3.3343","volume":"14","author":"MM Parlak","year":"2024","unstructured":"Parlak MM, K\u00f6se A (2024) Turkish validity and reliability study on the quick aphasia battery. Brain Behav 14(1):e3343","journal-title":"Brain Behav"},{"issue":"1","key":"9014_CR40","doi-asserted-by":"publisher","first-page":"54","DOI":"10.1002\/mdc3.12556","volume":"5","author":"MC Akbostanci","year":"2018","unstructured":"Akbostanci MC et al (2018) Turkish Standardization of Movement Disorders Society Unified Parkinson\u2019s Disease Rating Scale and Unified Dyskinesia Rating Scale. Mov Disord Clin Pract 5(1):54\u201359","journal-title":"Mov Disord Clin Pract"},{"key":"9014_CR41","unstructured":"Digipom [cited 2025 22.03]; Available from: https:\/\/www.digipom.com\/portfolio-items\/easy-voicerecorder\/"},{"issue":"3","key":"9014_CR42","doi-asserted-by":"publisher","first-page":"382e1","DOI":"10.1016\/j.jvoice.2017.11.013","volume":"33","author":"E Ozcebe","year":"2019","unstructured":"Ozcebe E et al (2019) Reliability and Validity of the Turkish Version of the Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V). J Voice 33(3):382e1\u2013382e10","journal-title":"J Voice"},{"key":"9014_CR43","unstructured":"ALPAR C (2016) Spor Sa\u011fl\u0131k Ve E\u011fitim Bilimlerinden \u00d6rneklerle UYGULAMALI \u0130STAT\u0130ST\u0130K VE GE\u00c7ERL\u0130K G\u00dcVEN\u0130RL\u0130K."},{"key":"9014_CR44","unstructured":"Ural A, Kili\u00e7 \u0130 (2005) Bilimsel ara\u015ft\u0131rma s\u00fcreci ve SPSS ile veri analizi."},{"issue":"2","key":"9014_CR45","doi-asserted-by":"publisher","first-page":"155","DOI":"10.1016\/j.jcm.2016.02.012","volume":"15","author":"TK Koo","year":"2016","unstructured":"Koo TK, Li MY (2016) A guideline of selecting and reporting intraclass correlation coefficients for reliability research. J Chiropr Med 15(2):155\u2013163","journal-title":"J Chiropr Med"},{"issue":"4","key":"9014_CR46","doi-asserted-by":"publisher","first-page":"563","DOI":"10.1111\/j.1744-6570.1975.tb01393.x","volume":"28","author":"CH Lawshe","year":"1975","unstructured":"Lawshe CH (1975) A quantitative approach to content validity. Pers Psychol 28(4):563\u2013575","journal-title":"Pers Psychol"},{"key":"9014_CR47","unstructured":"Creswell JW, Clark VLP (2017) Designing and conducting mixed methods research. Sage"},{"issue":"4","key":"9014_CR48","doi-asserted-by":"publisher","first-page":"152","DOI":"10.1044\/nnsld22.4.152","volume":"22","author":"NJ Donovan","year":"2012","unstructured":"Donovan NJ (2012) Patient-reported outcomes for acquired dysarthria. Perspect Neurophysiol Neurogenic Speech Lang Disorders 22(4):152\u2013159","journal-title":"Perspect Neurophysiol Neurogenic Speech Lang Disorders"},{"issue":"1","key":"9014_CR49","doi-asserted-by":"publisher","first-page":"62","DOI":"10.1044\/2016_JSLHR-S-16-0022","volume":"60","author":"DO Francis","year":"2017","unstructured":"Francis DO et al (2017) Voice-related patient-reported outcome measures: a systematic review of instrument development and validation. J Speech Lang Hear Res 60(1):62\u201388","journal-title":"J Speech Lang Hear Res"},{"key":"9014_CR50","unstructured":"Chen CL, Su MHI, Lin CS (2019) C. H., The development of the Parkinson\u2019s disease Language and communication assessment [poster presentation]. In The 14th International Conference on Alzheimer\u2019s & Parkinson\u2019s diseases, Lisbon, Portugal, 2019"},{"issue":"1","key":"9014_CR51","doi-asserted-by":"publisher","first-page":"12","DOI":"10.1159\/000499627","volume":"19","author":"C Atkinson-Clement","year":"2019","unstructured":"Atkinson-Clement C et al (2019) Psychosocial impact of dysarthria: the patient-reported outcome as part of the clinical management. Neurodegenerative Dis 19(1):12\u201321","journal-title":"Neurodegenerative Dis"},{"issue":"1","key":"9014_CR52","first-page":"403680","volume":"2013","author":"A Letanneux","year":"2013","unstructured":"Letanneux A et al (2013) The Dysarthria Impact Profile: a preliminary French experience with Parkinson\u2019s disease. Parkinson\u2019s disease 2013(1):403680","journal-title":"Parkinson\u2019s disease"},{"key":"9014_CR53","first-page":"e2940","volume":"29","author":"L Holanda","year":"2024","unstructured":"Holanda L et al (2024) Content validation Living with Dysarthria. Audiology-Communication Res 29:e2940","journal-title":"Audiology-Communication Res"},{"issue":"4","key":"9014_CR54","doi-asserted-by":"publisher","first-page":"194","DOI":"10.1016\/S0897-1897(05)80008-4","volume":"5","author":"LL Davis","year":"1992","unstructured":"Davis LL (1992) Instrument review: getting the most from a panel of experts. Appl Nurs Res 5(4):194\u2013197","journal-title":"Appl Nurs Res"},{"issue":"3","key":"9014_CR55","first-page":"2694","volume":"8","author":"L S\u00fcr\u00fcc\u00fc","year":"2020","unstructured":"S\u00fcr\u00fcc\u00fc L, Maslakci A (2020) Validity and reliability in quantitative research. Bus Manage Studies: Int J 8(3):2694\u20132726","journal-title":"Bus Manage Studies: Int J"},{"issue":"3","key":"9014_CR56","doi-asserted-by":"publisher","first-page":"337","DOI":"10.1016\/j.jvoice.2005.09.007","volume":"21","author":"H Bogaardt","year":"2007","unstructured":"Bogaardt H et al (2007) Validation of the voice handicap index using Rasch analysis. J Voice 21(3):337\u2013344","journal-title":"J Voice"},{"issue":"2","key":"9014_CR57","doi-asserted-by":"publisher","first-page":"169","DOI":"10.1111\/j.0307-7772.2004.00775.x","volume":"29","author":"J Wilson","year":"2004","unstructured":"Wilson J et al (2004) The Voice Symptom Scale (VoiSS) and the Vocal Handicap Index (VHI): a comparison of structure and content. Clinical Otolaryngology & Allied Sciences (2):169\u2013174","journal-title":"Clinical Otolaryngology & Allied Sciences"},{"issue":"5","key":"9014_CR58","doi-asserted-by":"publisher","first-page":"767","DOI":"10.1111\/ggi.13255","volume":"18","author":"R Cardoso","year":"2018","unstructured":"Cardoso R et al (2018) Psychosocial impact of Parkinson\u2019s disease-associated dysarthria: Cross\u2010cultural adaptation and validation of the Dysarthria Impact Profile into European Portuguese. Geriatrics & Gerontology International (5):767\u2013774","journal-title":"Geriatrics & Gerontology International"},{"key":"9014_CR59","unstructured":"Dollaghan CA (2007) The handbook for evidence-based practice in communication disorders. Paul H. Brookes Publishing Co."},{"issue":"2","key":"9014_CR60","doi-asserted-by":"publisher","first-page":"127","DOI":"10.1177\/01632787221108458","volume":"46","author":"C-L Chen","year":"2023","unstructured":"Chen C-L et al (2023) Evaluation of the Psychometric Properties of a Newly Developed Chinese Screening Tool for Speech Disorders in Patients With Parkinson\u2019s Disease. Eval Health Prof 46(2):127\u2013134","journal-title":"Eval Health Prof"},{"issue":"1","key":"9014_CR61","doi-asserted-by":"publisher","first-page":"25","DOI":"10.1080\/19312458.2017.1396583","volume":"12","author":"S Carpenter","year":"2018","unstructured":"Carpenter S (2018) Ten steps in scale development and reporting: a guide for researchers. Commun Methods Meas 12(1):25\u201344","journal-title":"Commun Methods Meas"},{"key":"9014_CR62","doi-asserted-by":"publisher","first-page":"245","DOI":"10.5116\/ijme.5f96.0f4a","volume":"11","author":"M Tavakol","year":"2020","unstructured":"Tavakol M, Wetzel A (2020) Factor analysis: a means for theory and instrument development in support of construct validity. Int J Med Educ 11:245","journal-title":"Int J Med Educ"},{"issue":"6","key":"9014_CR63","doi-asserted-by":"publisher","first-page":"676","DOI":"10.1097\/WCO.0b013e3283168df0","volume":"21","author":"D Aarsland","year":"2008","unstructured":"Aarsland D, Beyer MK, Kurz MW (2008) Dementia in Parkinson\u2019s disease. Curr Opin Neurol 21(6):676\u2013682","journal-title":"Curr Opin Neurol"},{"issue":"9","key":"9014_CR64","doi-asserted-by":"publisher","first-page":"1020","DOI":"10.1002\/mds.20213","volume":"19","author":"CG Goetz","year":"2004","unstructured":"Goetz CG et al (2004) Movement Disorder Society Task Force report on the Hoehn and Yahr staging scale: status and recommendations the Movement Disorder Society Task Force on rating scales for Parkinson\u2019s disease. Mov Disord 19(9):1020\u20131028","journal-title":"Mov Disord"},{"issue":"s1","key":"9014_CR65","doi-asserted-by":"publisher","first-page":"S107","DOI":"10.3233\/JPD-181473","volume":"8","author":"E Kalbe","year":"2018","unstructured":"Kalbe E, Aarsland D, Folkerts A-K (2018) Cognitive interventions in Parkinson\u2019s disease: where we want to go within 20 years. J Parkinsons Dis 8(s1):S107\u2013S113","journal-title":"J Parkinsons Dis"}],"container-title":["Neurological Sciences"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10072-026-09014-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s10072-026-09014-3","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10072-026-09014-3.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,9]],"date-time":"2026-05-09T13:03:24Z","timestamp":1778331804000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s10072-026-09014-3"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,8]]},"references-count":65,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2026,5]]}},"alternative-id":["9014"],"URL":"https:\/\/doi.org\/10.1007\/s10072-026-09014-3","relation":{},"ISSN":["1590-1874","1590-3478"],"issn-type":[{"value":"1590-1874","type":"print"},{"value":"1590-3478","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,8]]},"assertion":[{"value":"10 January 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"27 March 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 April 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Ethical approval for the study was granted by the Hacettepe University Health Sciences Research Ethics Committee on March 5, 2024 (Decision No: 2024\/05\u201351). All participants provided written informed consent prior to participation.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Approval"}},{"value":"The authors declare that they have no conflict of interest.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}],"article-number":"406"}}