Abstract

ANDRADE, Alexsandro Luiz De; CRUZ, Roberto Moraes; PAUL, Stephan  and  BITENCOURT, Raquel Fava de. Construction of semantic differential scales: a measure for the evaluation of aircraft interior sound. Aval. psicol. [online]. 2009, vol.8, n.2, pp. 197-208. ISSN 1677-0471.

This study reports the construction of a psychometrical measure, based on the semantic differential technique, for acoustic properties' evaluation in aircraft interiors. Two studies composed the research: a first study of semantic descriptors, and a second one for measure construction. Five hundred and ninety people took part on the research. The first study had 298 participants, 175 were male (58,7%). The mean age was 23,2 years old (SD = 5,2 years). On the second study 292 people participated, 172 of whom were male (58,9%), and the mean age was 24,2 years old (SD = 6,6 years). The results of the first study provided a list of descriptors able to describe acoustic phenomena in aircraft interiors. The second study, after factor analysis and determination of Cronbach's alpha reliability index and MANOVA, presented satisfactory validity and reliability parameters. The final scale measured four factors: Appreciation, Adequacy, Stability and Intensity.

Keywords : Psychometrics; Semantic differential; Aviation; Psychoacoustics.

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