The Effect of an Alternative Definition of “Percent Highly Annoyed” on the Exposure–Response Relationship: Comparison of Noise Annoyance Responses Measured by ICBEN 5-Point Verbal and 11-Point Numerical Scales

Makoto Morinaga, Thu Lan Nguyen, Shigenori Yokoshima, Koji Shimoyama, Takashi Morihara and Takashi Yano
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Makoto Morinaga: Department of Architecture, Faculty of Engineering, Kanagawa University, Kanagawa 221-8686, Japan
Thu Lan Nguyen: Department of Architectural Design, Interdisciplinary Faculty of Science and Engineering, Shimane University, Shimane 690-8504, Japan
Shigenori Yokoshima: Kanagawa Environmental Research Center, Kanagawa 254-0014, Japan
Koji Shimoyama: Aviation Environment Research Center, Organization of Airport Facilitation, Tokyo 105-0011, Japan
Takashi Morihara: Department of Architecture, National Institute of Technology, Ishikawa College, Ishikawa 929-0392, Japan
Takashi Yano: Kumamoto University, Kumamoto 860-8555, Japan

IJERPH, 2021, vol. 18, issue 12, 1-15

Abstract: Since the development of the 5-point verbal and 11-point numerical scales for measuring noise annoyance by the ICBEN Team 6, these scales have been widely used in socio-acoustic surveys worldwide, and annoyance responses have been easily compared internationally. However, both the top two categories of the 5-point verbal scale and the top three ones of the 11-point numerical scale are correspond to high annoyance, so it is difficult to precisely compare annoyance responses. Therefore, we calculated differences in day–evening–night-weighted sound pressure levels ( L den ) by comparing values corresponding to 10% highly annoyed (HA) on L den _%HA curves obtained from measurements in 40 datasets regarding surveys conducted in Japan and Vietnam. The results showed that the L den value corresponding to 10% HA using the 5-point verbal scale was approximately 5 dB lower than that of the 11-point numerical scale. Thus, some correction is required to compare annoyance responses measured by the 5-point verbal and the 11-point numerical scales. The results of this study were also compared with those of a survey in Switzerland.

Keywords: highly annoyed; ICBEN scales; exposure–response relationship; social survey (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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