Transactions of Japan Society of Kansei Engineering
Online ISSN : 1884-5258
ISSN-L : 1884-0833
Advance online publication
Displaying 1-13 of 13 articles from this issue
  • Fumihiko SATO, Naoko KANEKON, Yoko SHIKATA, Tatsunori MATSUI
    Article ID: TJSKE-D-22-00013
    Published: 2022
    Advance online publication: November 22, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    In this study, we conducted interview surveys and observational surveys for understanding the characteristics of counseling skills possessed by expert hairdresser, and developed an integrated model of activities and thought processes in counseling. As a result, the following three characteristics were suggested: (1) The counseling process is proposal-based rather than listening-based, (2) The thoughts in the observation phase are based on abstract cognitions about clothing, and (3) The decision-making in the observation phase are more frequently in line with the customer’s wishes. These are expected not only to explain the skills possessed by expert hairdressers but also to provide clues for discussing counseling by novice. Therefore, this study is expected to contribute to the expertise of hairdresser. In constructing the model, we developed a method for integrated visualization of activities and thought processes. This method is considered to be novel and useful in skill analysis.

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  • Hikaru CHIDA, Hanae ISHI
    Article ID: TJSKE-D-22-00009
    Published: 2022
    Advance online publication: November 16, 2022
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    Farmers’ restaurants refer to the restaurants where the farmers use ingredients produced in-house or locally. The farmers’ restaurants are expected to play a social role such as increasing agricultural income, so they need increase the number of customers. This research focused on the appearance of the restaurant as one of the important factors for attracting customers and considered the psychological criteria and physical components of the favorable appearance of a farmer’s restaurant. In addition, this research also found that the criteria for judging the favorable appearance differ depending on the purpose of visiting the farmer’s restaurant. By utilizing the results of this research to achieve the favorable appearance, it is expected that the farmer’s restaurant will be able to attract more people, increase the number of customers and play the expected social role.

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  • Fu SATO, Katsunari SATO
    Article ID: TJSKE-D-22-00029
    Published: 2022
    Advance online publication: October 31, 2022
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    Nigirikawa is a leather tape attached to Japanese bow in Kyudo. It assists the “Teuchi” (the method of gripping bow), which is to twist the bow counterclockwise to make the arrow fly straight. Kyudo players select the materials of the Nigirikawa for ease of use from subjective impression. The objective of this study is to examine the effectiveness of grip strength in drawing the bow as an objective evaluation index. We attached four pressure sensors to the grip of the bow to measure the pressure during shooting and compared the four types of Nigirikawa (deer, shark, cow, and sheep). The results showed that the differences of gripping force depending on the ease of use of the Nigirikawa in two movements of “Daisan” and “Kai”. Therefore, we concluded that gripping force is effective as an objective evaluation index of Nigirikawa.

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  • Midori YONEZAWA
    Article ID: TJSKE-D-22-00012
    Published: 2022
    Advance online publication: October 27, 2022
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    The Design Dept. of Mitsubishi Electric Corp. has been researching the Design Approach method for a proposal approach to information system design. This paper presents a case study of the use of this methodology in the development of an information communication system and discusses the similarities and differences between the research phase and actual development. As representative examples, I report practical results applied to a large facility maintenance system and a medium-sized library system. Although the basic process of formulating a concept from a workshop and environmental analysis by the parties involved is common, it was found that the order of the process differs from case to case and that a detailed internal environmental analysis is necessary to lead to the development of a specific UI design.

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  • - An Application of Estimation Methods for Contingent Focus Model -
    Hajime MURAKAMI, Naoto SUNAGA, Takahito HOSHINO, Daiki TATEOKA, Sho HI ...
    Article ID: TJSKE-D-22-00019
    Published: 2022
    Advance online publication: October 20, 2022
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    The present study indicates a mathematical model regarding the focus theory of normative conduct and estimation methods of parameters related to the degree of decision-makers’ attention by expanding the contingent focus model using web questionnaire data concerning normative decision making under COVID-19 pandemic. We have also shown examples of estimation methods. We made two different assumptions about the parameters and estimated three types of parameters for each assumption; 1) attention degree towards the injunctive norm, 2) relative attention degree on the corresponding level of the factor, 3) a psychological parameter specific to an experimental manipulation. Finally, we discussed the interpretation of parameters and relationships among parameters that were estimated based on two different assumptions.

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  • Risa YAMAMOTO, Hiroyuki YAMADA
    Article ID: TJSKE-D-22-00028
    Published: 2022
    Advance online publication: October 20, 2022
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    In this study, we compared and evaluated whether different facial expressions on the package resulted in different evaluations of the confectionery by presenting participants in the experiment with different facial expressions on a fictitious package and conducting a pairwise evaluation. In the result, it revealed differences in the evaluation of “visual taste” and “familiarity” depending on differences in facial expression, although the effects of the combination and individual differences in preference were also observed. As for the influence of each part of the face, it was found that the mouth part influenced “familiarity,” while the eye part had a significant influence on the “visual taste” evaluation. This suggests that having a face on the confectionery package with an appropriate facial expression for the product itself will help people feel more comfortable with the product and understand information such as the type and strength of the product’s flavor.

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  • Mami ISHIKAWA, Yuki OKAWA, Eri WAKABAYASHI, Ayana HIRONO, Yoshiyuki OS ...
    Article ID: TJSKE-D-22-00034
    Published: 2022
    Advance online publication: October 20, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    This study aimed to investigate the effect of flavored mouthwash on peripheral and cardiac autonomic nervous system activity. In a within-subject experimental design, 10 male and 10 female healthy adults went through two types of mouthwashes, one was with citrus mint flavor and another was with spice mint flavor, right after performing a 20-minute calculation task given as a cognitive stressor. Along with subjective evaluation, skin conductance and electrocardiogram was recorded throughout the experiment. Although there was no difference in the subjective stress levels between the two conditions, the level of skin conductance decreased more remarkably and significantly during the recovery period when the participants used citrus mint mouthwash. The findings suggest that a particular flavored mouthwash may provide physiological effect on user regardless of its subjective sensation and the citrus mint type mouthwash might be better suited for use in need of a relaxation.

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  • Shigeru TOMINAGA, Tatsuya IWAKI
    Article ID: TJSKE-D-22-00003
    Published: 2022
    Advance online publication: October 06, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    We evaluated the biphasic mood-elevating and relaxing effects of chocolate eating behavior in a context of resting during or after work or study. To evaluate these two effects, psychological, physiological and behavioral measurements were compared between before and after of their chocolate eating. Participants ate 4.6 g of chocolate between or after two sessions, 5 and 7 minutes, of tracking task. These scenarios mimicked common chocolate eating scene, work or study, where continuous concentration is to be required. As a result, eating between the task sessions improved task performance and enhanced positive mood, whereas eating after the task enhanced positive mood but also stimulated brain activity. This indicates that the psychophysiological effect of eating chocolate is not biphasic but rather monophasic, that is, a mood-enhancing effect. However, the post-task stimulation of brain activity might be context-dependent. Note that these results should be the mixed effects of food and physical activity.

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  • Misato MURAMATSU, Jun FUJIKI, Toshiyo MINAMIYAMA, Kaya KAWAGUCHI, Tzu- ...
    Article ID: TJSKE-D-22-00008
    Published: 2022
    Advance online publication: September 22, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    Our study conducted a survey experiment to identify potential changes in feelings when a visual stimulus linked to a selection is observed after making a proactive selection. We compared changes in feelings in four different situations, depending on combinations of the presence or absence of a selection and visual stimulus. The survey was conducted on 28 healthy adults. In the case of proactive selection only, there was no effect on positive feelings. However, there was an effect of reduced negative feelings. The results showed that visual stimulus only increased positive feelings and reduced negative feelings. Furthermore, the combination of visual stimuli after the selection was shown to reduce negative feelings, particularly when compared to making a proactive selection or adding visual stimuli on their own. In conclusion, the results suggest that a visual stimulus after decision-making may induce a state of satisfaction, elevate positive feelings, and lower negative feelings.

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  • Youngah KAMETANI, Haruhi OOSUMI, Hiroyuki KANAI, Kaoru WAKATSUKI, Hide ...
    Article ID: TJSKE-D-22-00027
    Published: 2022
    Advance online publication: September 22, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    The design for emergency medical personal uniforms should include not only “aesthetics and solidarity” required as uniforms, but also “functionality” necessary for emergency operations. Questionnaires and motion analysis were conducted to understand the current situation and identify problems with the current emergency medical services uniform (pants) to emergency medical services personnel and analysis of their movements during drills. With introduction of materials and textile structures that can follow dynamic motions (e.g., stretch), new designs for emergency medical personal uniforms and its effectiveness by clothing pressure measurement have been investigated. The results showed (1) A larger clothing pressure acts in the crouching exercise than that in the one-leg-raising exercise, (2) The stretchable fabric reduced overall clothing pressure on the lower limbs of the human body during both the one-leg-raising and crouching exercises, (3) The knee tack and the lumbar yoke reduced clothing pressure on the lower limbs of the human body locally.

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  • - Using a Quantitate Evaluation by an EEG-based BMI -
    Ryohei P. HASEGAWA, Hidemasa YONEDA, Katsuyuki IWATSUKI, Shintaro OYAM ...
    Article ID: TJSKE-D-22-00030
    Published: 2022
    Advance online publication: September 22, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    We have been developing a cognitive assessment system based on an electroencephalography (EEG)-based brain-machine interface (BMI) that uses event-related potentials (ERPs) as a virtual “Mind Switch.” ERPs reflect temporal changes in attention and are also known as potential biomarkers for assessing cognitive function. We recorded EEG data from 10 healthy subjects who performed target-selection tasks based upon the visual discrimination of fingerspelling images with or without motor responses (key release). We found differential responses between target and non-target images, which were quantitatively evaluated by the decoding accuracy of the target. We also found that ERPs were enhanced when accompanied by key releases, which might indicate that a more attentive state was involved. These results suggest that fingerspelling images are a feasible tool for cognitive assessment. Future studies should be conducted to demonstrate the applicability of our system in preventing frailty in older people.

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  • Yusuke UENO, Toshinobu HARADA, Yohei ISHIGURO
    Article ID: TJSKE-D-22-00026
    Published: 2022
    Advance online publication: September 07, 2022
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    In recent years, due to the spread of the new coronavirus, it has become common to wear masks in daily life. As a result, makeup around the eyes and eyebrows has become one of the most important aspects of the facial impression one gives to others. The purpose of this study was to clarify the relationship between the proportions of women’s eyes and eyebrows after wearing makeup and their impressions of three items: gender, age, and gorgeousness, using a neural network. First, the proportions were measured from the 2,014 facial images collected, and a neural network was trained using the three impression items of a facial images evaluated by beauty experts as supervised signals. Next, we analyzed the impact of each proportion on the three impression items. Finally, an experiment was conducted with the same experts to verify whether analysis results were adequate. The results revealed how the proportions of the eyes and eyebrows affect the impression one gives to others.

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  • Katsuki MOROMUGI, Toshinobu HARADA
    Article ID: TJSKE-D-22-00031
    Published: 2022
    Advance online publication: August 17, 2022
    JOURNAL FREE ACCESS ADVANCE PUBLICATION

    When creating a new product design, a designer chooses design solutions from concepts that combine different impression words. However, there could be more than one optimal design solution. Therefore, a reverse inference system that returns all optimal design solutions is necessary. The purpose of this study is twofold: First, using the eyeglass design as a case study, we clarify the capability to search for diverse design solutions using deep generative models, a solution method for reverse inference. Second, we compare differences in the explored design solutions between two deep generative models, CVAE and JMVAE. The two models generated diverse eyeglass frame designs and yielded results having different characteristics in the search range.

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