This study was to clarify the current state of communication among nursing students with elderly people with hearing loss and the challenges faced by nursing students. A survey was conducted among 112 third-year nursing students regarding their experiences communicating with elderly people with hearing loss, how to respond during communication, the difficulties they felt with elderly people with hearing loss, and their image of elderly people with hearing loss. As a result of analyzing 70 people (62.5% of effective answer rates), 33 people had experience communicating with them. In communication situations, “speak clearly”, “speak slowly”, “don't shout”, “speak loudly”, “speak and look the other person in the eyes”, “be considerate of the other person's hearing preferences”, They believed it was necessary to “show a sincere attitude that respects individuals,” and implemented the measures. However, elderly people with hearing loss found it difficult to “hear things wrong,” “give vague answers,” and “not be able to follow conversations.” Because of this sense of difficulty, students are expected to have a negative image of them. Therefore, it is necessary for students to learn appropriate communication skills for elderly people with hearing loss and eliminate their weaknesses.

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One of the ankle joint movements is inversion. However, there are various problems in the evaluation methods for this movement. In particular, there have been few studies on the evaluation of inversion in the loading position, and no quantitative evaluation has been carried out inside the skin. In this study, we propose evaluation methods for inversion of the ankle angle using ultrasound echo, focusing on the lateral part of the heel in the loading position. For ultrasound imaging, a special fixation holder was developed and validation was carried out on five healthy male subjects. Significant differences were found in the coefficient of the approximation curve on the bone surface, the distance to the bone surface to the epidermis and the soft tissue luminance value during the inversion in the loading position.

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Many healthcare-oriented recipe recommendation methods are proposed in previous research. In some previous research, the additional purchase cost and the food loss are minimized in addition to the minimization of the healthcare loss under the limits on the cost of purchasing additional ingredients and food loss when there are multiple optimal solutions. But in the previous research, the healthcare loss is minimized for only one person, even when targeting families. In this research, new healthcare-oriented recipe recommendation method considering families is studied. In the proposed method, the healthcare loss is minimized for families under the limits on the cost of purchasing additional ingredients and food loss. Weights for nutrients and family members can be set in the proposed method. The additional purchase cost and the food loss are also minimized in addition to the minimization of the healthcare loss when there are multiple optimal solutions. The effectiveness of the proposed methods is shown by some computational examples. This research is basic research, and future extended research is required.

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There is a lot of previous research on sales promotion strategy using digital signage. Maximization of expected sales is one of important topics on sales promotion strategy using digital signage. In the previous research, only maximization of expected sales for one customer with unknown customer class which indicates fixed attributes such as gender and age group has been studied. Maximization of expected sales for multiple customers has not been studied. In this research, a new sales promotion strategy which maximizes the expected sales for multiple customers based on statistical decision theory is proposed. In the proposed method, the expected sales is maximized with respect to a Bayes criterion. The effectiveness of the proposed method is shown by some computational examples. The expected sales of the proposed method is greater than those of comparison targets. In this research, the expected sales is maximized under the condition that all probabilities are known. But the probabilities are unknown in real cases. An expansion of this research with unknown probabilities is one of further works.

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The purpose of this study was to clarify the relationship between the difference in the environment under the body surface during cardiac arrest and the quality of chest compressions. A study on the quality of chest compressions was conducted using CPR mannequins by 30 University A nursing students in five environments. The analysis calculated descriptive statistics on basic attributes and the quality of chest compressions in the five environments, and multiple comparisons were made between the assessment of chest compressions and the environments. Pearson's product-moment correlation coefficient or Spearman's rank correlation coefficient was calculated for the relationship between the quality of chest compressions and the body size of the practitioner. Results there was no correlation between the quality of chest compressions and body size in the five environments. The effect of hardness under the body surface, posture of the practitioner and physique on the quality of the chest compressions was clarified. In the subjective evaluation, the evaluation is significantly higher as the support basal plane of the practitioner is secured.

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The purpose of clarifying future issues in the simultaneous bidirectional class, we examined the content that is likely to become a problem. The subjects were 170 students in the physical therapist training school. In the second half of the 2021 academic year, I introduced simultaneous bidirectional class in earnest, and at the end of the same year, I conducted a 10-point survey using Google Forms regarding attendance and satisfaction. In the course questionnaire, there was a tendency for a large percentage of respondents to be at level 3 or lower for questions such as 「④were you able to communicate smoothly with the teacher?」・「⑤Did you find it easy to ask questions to the teacher?」. As an interpretation of the result, Among the items that tend to be problematic in simultaneous bidirectional class, it was suggested that it is difficult for students to communicate with teachers and ask questions. This is an issue that needs to be urgently addressed for the future. Therefore, as a teacher, it is thought that it is necessary to make efforts to improve the problems by utilizing the chat function, etc., while taking advantage of the simultaneous bidirectional class.

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