Native influences on the construction of thermal sensation scales
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ORIGINAL PAPER
Native influences on the construction of thermal sensation scales Katerina Pantavou 1 Ioannis X. Tsiros 1
&
Ioannis Koletsis 1 & Spyridon Lykoudis 2 & Emmanouil Melas 1 & Marialena Nikolopoulou 3 &
Received: 21 December 2019 / Revised: 22 March 2020 / Accepted: 22 April 2020 # ISB 2020
Abstract Thermal scales assess thermal environments in terms of thermal sensation and comfort. The number of scale’s categories and their verbal realization/labels, especially when translated for local applications, are subjects of research. This study examined variations from the ISO 10551 thermal scale when translated into Greek language. We conducted an online survey asking participants to translate the English ISO 10551 scale, develop their own scales (five, seven and nine-point), report a wording for thermal comfort, and assign discrete values to scales’ categories proportional to their perceived distances. Overall, 357 participants enrolled in the survey while data from 321 questionnaires included in the analysis. The interpretations of ISO 10551 categories varied (6–18) although the majority consisted of the exact translation. The wordings of the formulated scales differed from ISO 10551 scale indicating a more intense expression mode. The labels overlapped in the extreme categories of the nine-point scale supporting the use of the seven-point scale. Most participants (~ 65%) reported thermal comfort equivalent to neutrality. About half of the participants reported equal distances between the categories of the scales. The results can be applied on thermal sensation studies having a possible impact on the use of outdoor spaces under various contexts, i.e., public health, urban design, and energy conservation. Keywords Thermal scale . Thermal sensation . Thermal comfort . Greek language . Translation
Introduction The number of studies on subjective outdoor thermal sensation has increased over the last decades. Researchers worldwide attempt to quantify human thermal sensation and define the thresholds of thermal comfort and stress (Potchter et al. 2018). For this purpose, field surveys have been conducted in different climates and cultures involving micrometeorological measurements and questionnairebased interviews (Johansson et al. 2014). The questionnaires are used to collect demographic data, personal information (i.e., clothing, activity, medical history), and information on psychological mechanisms (i.e., experience,
* Katerina Pantavou [email protected] 1
Laboratory of General and Agricultural Meteorology, Agricultural University of Athens, Iera Odos 75, 118 55 Athens, Greece
2
Kalamata, Greece
3
Centre for Architecture and Sustainable Environment, Kent School of Architecture and Planning, University of Kent, Kent, UK
expectation, preferences, perceived control) that may affect the assessment of thermal sensation, and to record the perceptual judgment on subjective thermal state (Johansson et al. 2014). Thermal sensation has been evaluated using five-, seven-, nine-, and ten-point scales, comprisi
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