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Table 1 Questionnaire structure

From: Physiological comfort evaluation under different airflow directions in a heating environment

Category Scale Type
Thermal sensation Very cold ←→ very hot (1–7) 7-step Likert, integer values
Pleasantness Very unpleasant ←→ very pleasant (0–100) 10-cm VAS
Fatigue Best condition and no fatigue ←→ worst condition and extreme fatigue (0–100) 10-cm VAS
Sleepiness fully awake ←→ very sleepy (1–9) 9-step Likert, integer values
Anxiousness Not feeling anxious at all ←→ feeling extremely anxious (0–100) 10-cm VAS