Development of the acoustic comfort assessment scale (ACAS-12): psychometric properties, validity evidence and back-translation between Spanish and English

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dc.contributor.authorHerranz Pascual, Miren Karmele
dc.contributor.authorIraurgi Castillo, Ioseba
dc.contributor.authorAspuru Soloaga, Itziar
dc.contributor.authorGarcía, Igone
dc.contributor.authorEguiguren García, José Luis
dc.contributor.authorSantander Pantioso, Álvaro
dc.date.accessioned2025-07-08T08:41:24Z
dc.date.available2025-07-08T08:41:24Z
dc.date.issued2023-02-07
dc.date.updated2025-07-08T08:41:24Z
dc.description.abstractA methodological proposal of a scale for human perception assessment of acoustic environment (acoustic comfort) in urban public spaces is presented: Acoustic Comfort Assessment Scale (ACAS 12). This paper shows the process of constructing this scale and its psychometric properties and validation. The approach is based on the soundscape conceptualisation collected in ISO 12913-1:2014 (Acoustics-Soundscape: Definition and conceptual framework). The proposed scale is a 5-point semantic differential scale made up of twelve pairs of bipolar adjectives, grouped around five theoretical dimensions. It is based on previous versions of 2-point and 3-point scales. The ACAS-12 scale is the result of several empirical studies carried out by the authors on environmental and acoustic comfort assessment, beginning in 2011 in some cities of the Basque Country (Spain). Selected urban open places cover a wide variability of acoustic and non-acoustic characteristics, as well as the type of participants (real users) and activities carried out in these places. The original language of this scale is Spanish. The back-translation technique has been applied to create the English version. The results highlight the good psychometric properties of the ACAS 12 scale (Cronbach's alpha 0.91 and composite reliability 0.90) and indicate that the best factorial solution is that of a single factor composed of the 12 pairs of adjectives that would explain approximately 50% of the ACAS-12 variance (44% of extracted variance by Raykov's method or 56% by the MAP test). The absolute and incremental fit indices were above the minimum reference value of 0.90 and the residual-based indices showed values close to suitability (SRMR = 0.057; RMSEA = 0.042). This result supports the consideration of the ACAS-12 scale as a general measure of acoustic comfort.en
dc.identifier.citationHerranz-Pascual, K., Iraurgi, I., Aspuru, I., Garcia-Pérez, I., Eguiguren, J. L., & Santander, Á. (2023). Development of the acoustic comfort assessment scale (ACAS-12): psychometric properties, validity evidence and back-translation between Spanish and English. PLoS ONE, 18(2 February). https://doi.org/10.1371/JOURNAL.PONE.0281534
dc.identifier.doi10.1371/JOURNAL.PONE.0281534
dc.identifier.eissn1932-6203
dc.identifier.urihttps://hdl.handle.net/20.500.14454/3160
dc.language.isoeng
dc.publisherPublic Library of Science
dc.rights© 2023 Herranz-Pascual et al.
dc.titleDevelopment of the acoustic comfort assessment scale (ACAS-12): psychometric properties, validity evidence and back-translation between Spanish and Englishen
dc.typejournal article
dcterms.accessRightsopen access
oaire.citation.issue2 February
oaire.citation.titlePLoS ONE
oaire.citation.volume18
oaire.licenseConditionhttps://creativecommons.org/licenses/by/4.0/
oaire.versionVoR
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