A new approach to measuring absolute pitch on a psychometric theory of isolated pitch perception: Is it disentangling specific groups or capturing a continuous ability?

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Autor(es): dc.contributorFederal University of Santa Maria-
Autor(es): dc.contributorUniversity of Hong Kong-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorDi Giuseppe Germano, Nayana-
Autor(es): dc.creatorCogo-Moreira, Hugo-
Autor(es): dc.creatorCoutinho-Lourenço, Fausto-
Autor(es): dc.creatorBortz, Graziela [UNESP]-
Data de aceite: dc.date.accessioned2022-02-22T00:50:07Z-
Data de disponibilização: dc.date.available2022-02-22T00:50:07Z-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-06-25-
Data de envio: dc.date.issued2021-01-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1371/journal.pone.0247473-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/207392-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/207392-
Descrição: dc.descriptionAbsolute Pitch (AP) is commonly defined as a rare ability that allows an individual to identify any pitch by name. Most researchers use classificatory tests for AP which tracks the number of isolated correct answers. However, each researcher chooses their own procedure for what should be considered correct or incorrect in measuring this ability. Consequently, it is impossible to evaluate comparatively how the stimuli and criteria classify individuals in the same way. We thus adopted a psychometric perspective, approaching AP as a latent trait. Via the Latent Variable Model, we evaluated the consistency and validity for a measure to test for AP ability. A total of 783 undergraduate music students participated in the test. The test battery comprised 10 isolated pitches. All collected data were analyzed with two different rating criteria (perfect and imperfect) under three Latent Variable Model approaches: continuous (Item Response Theory with two and three parameters), categorical (Latent Class Analysis), and the Hybrid model. According to model fit information indices, the perfect approach (only exact pitch responses as correct) measurement model had a better fit under the trait (continuous) specification. This contradicts the usual assumption of a division between AP and non-AP possessors. Alternatively, the categorical solution for the two classes demonstrated the best solution for the imperfect approach (exact pitch responses and semitone deviations considered as correct).-
Descrição: dc.descriptionDepartment of Music Federal University of Santa Maria-
Descrição: dc.descriptionSchool of Public Health University of Hong Kong-
Descrição: dc.descriptionDepartment of Psychobiology Federal University of Sao Paulo-
Descrição: dc.descriptionDepartment of Music UNESP-
Descrição: dc.descriptionDepartment of Music UNESP-
Idioma: dc.languageen-
Relação: dc.relationPLoS ONE-
???dc.source???: dc.sourceScopus-
Título: dc.titleA new approach to measuring absolute pitch on a psychometric theory of isolated pitch perception: Is it disentangling specific groups or capturing a continuous ability?-
Tipo de arquivo: dc.typelivro digital-
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