Images and chocolate stimuli affect physiological and affective responses of consumers: A cross-cultural study

被引:49
作者
Torrico, Damir Dennis [1 ]
Fuentes, Sigfredo [1 ]
Viejo, Claudia Gonzalez [1 ]
Ashman, Hollis [1 ]
Gunaratne, Nadeesha M. [1 ]
Gunaratne, Thejani M. [1 ]
Dunshea, Frank R. [1 ]
机构
[1] Univ Melbourne, Fac Vet & Agr Sci, Sch Agr & Food, Parkville, Vic 3010, Australia
基金
澳大利亚研究理事会;
关键词
Images stimuli; Chocolate; Physiological reactions; Facial expressions; Emotions; FACIAL EXPRESSION; PURCHASE INTENT; EMOTIONS; JAPANESE; TEMPERATURE; VALIDATION; SCALES; CORE;
D O I
10.1016/j.foodqual.2017.11.010
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
Sensory evaluation relies on explicit responses from consumers. Unconscious responses may complement the information regarding the emotional states of consumers. In this study, physiological, facial expression and sensory/emotional responses to different visual (images) and chocolate stimuli were evaluated using two groups (participants with Asian and Western backgrounds). Panellists (N = 60; 60% Asian-background and 40% Western-background) evaluated 15 images (5-positive/5-neutral/5-negative) and 4 chocolate samples (milk/60%-cocoa/70%-cocoa/candy-inclusions). Consumers assessed their emotions (3-point scale) and liking (9-point scale). Non-invasive peripheral skin temperature (ST), heart rate (BPM), and facial expressions using FaceReader (TM) (FR) were assessed. Western-background participants showed similar heart rate (55-59 vs. 4-59) and temperature (0.6-1.5 degrees C difference) compared to Asian-background participants for images and chocolate samples. BPM (54-59) was not different among stimuli. Consumer emotions (images = 0.87 to 1.00 and chocolate = 0.27 to 0.60) and liking (chocolate = 5.20 to 6.33) were evaluated for both groups. For Asian background participants, ST was positively correlated to FR-happy (r = 0.45) and negatively correlated to FR angry (r = 0.23) and FR-sad (r = -0.20). For Western-background participants, ST was positively correlated to FR-sad (r = 0.23) and negatively correlated to FR-angry (r = -0.35). Cultural differences were found when assessing images based on sensory responses. These findings will be useful to better understand acceptability based on unconscious and emotional responses.
引用
收藏
页码:60 / 71
页数:12
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