Journal of Home Economics of Japan
Online ISSN : 1882-0352
Print ISSN : 0913-5227
ISSN-L : 0913-5227
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  • Miki KOSAKA, Chikako NAKAMORI
    2020 Volume 71 Issue 10 Pages 631-647
    Published: 2020
    Released: October 28, 2020
    JOURNALS FREE ACCESS

    ??The purpose of this study is to propose a framework and indicators for a life evaluation index to be used as a representative index of children's subjective well-being.

    ??Analysis of representative domestic and international children's well-being indexes and subjective well-being indexes identified that there is a need for an index that measures their actual life states in specific life contexts to evaluate children's lives, creating a framework for gaining a comprehensive understanding of children's lives and the early detection and prevention of issues.

    ??This study uses the comprehensive “framework of life” perspective provided by Nakayama (1997), in which the child's actual life states comprises life behaviors centering on home life as well as the living environment that defines these behaviors. The child's living environment consists of material conditions, referring to the material resources of the household, and family environment conditions, referring to the family rules. These specific indexes respond to the establishment of specific life contexts based on four independence factors: life independence, economic independence, social independence, and emotional independence. Moreover, the standards for independence of the behaviors are based on the educational content of government curriculum guidelines centering on the subject of home economics.

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  • Ayako MIKAMI, Noriko AKAISHI, Riichiro INOUE, Keiko NAGAO
    2020 Volume 71 Issue 10 Pages 648-656
    Published: 2020
    Released: October 28, 2020
    JOURNALS FREE ACCESS

    ??In recent years, abnormal weather due to climate change has occurred frequently. The challenge is to control carbon dioxide emissions, the main cause of global warming.

    ??Therefore, in this study, we decided to quantify the effect of energy saving methods on CO2 emission reduction in basic cooking.

    ??We measured the amount of electricity and gas used under set conditions using currently available cooking equipment and utensils.

    ??Eleven items in the following four categories were surveyed: “Adjustment of fire intensity and selection of cooking utensils”, “Simultaneous cooking,” “Preparation of appropriate amounts when necessary,” and “Selection of cooking equipment and functions”.

    ??It was confirmed that the energy saving methods implemented would lead to a CO2 reduction of approximately 7 to 74%. From the above, it was suggested that an energy saving effect could be expected by making energy saving efforts when preparing meals.

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  • Kaori SASAKI, Chika KAWABE, Masato SAITO, Hitomi HAMADA
    2020 Volume 71 Issue 10 Pages 657-665
    Published: 2020
    Released: October 28, 2020
    JOURNALS FREE ACCESS

    ??To investigate the effect of green tea derived cellulose nanofiber (CNF) coating on fabric, we studied the characteristics of green tea-derived CNF coating on cotton fabrics.

    ??The CNF used in this study were derived from leaves and stems of green tea and hardwood bleached kraft pulps. The CNF were prepared by two mechanical methods: the water jet method and the ball mill method. Commercial TEMPO-oxidized CNF were used for comparison. CNF suspensions were coated on cotton fabrics with a coater. Several properties of the CNF coated fabrics were thoroughly characterized. After the CNF coating of the fabrics, the air permeability decreased. The green tea-derived CNF-coated fabrics showed good deodorizing performance for ammonia, which did not decrease after washing. The deodorizing performance seems to be caused not only by physical adsorption to pores in the CNF network, but by the chemical components of green tea.

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  • Hideko TAKAHASHI
    2020 Volume 71 Issue 10 Pages 666-672
    Published: 2020
    Released: October 28, 2020
    JOURNALS FREE ACCESS

    ??In Iwate prefecture, in Okutama, Senmaya-cho, Ichinoseki-city, Iwate prefecture, “discipline dojo” was held until the mid-1960s. At “discipline dojo”, young people learned about the protocols of wedding ceremonies. I investigated a lecture book used in the dojo. Explanations and figures of the protocols were described in the book. The room where the wedding took place, the method of pouring Japanese alcohol into cups, and the order of pouring were shown in detail. The goods which were part of the ceremony were “hanpi”, “sangozakana”, “otyou”, “metyou”, and cups with their respective roles. “Hanpi” was a pair of cups for Japanese alcohol. “Sangozakana” on a tray was ritual cuisine consisting of three foods, peeled Japanese radish, small dried fishes and kelp. “Otyou” and “metyou” were two kettles for Japanese alcohol decorated with folded papers. “Otyou” and “metyou” referred to a boy and a girl who poured Japanese alcohol into cups for the bride and bridegroom. This survey revealed that there were typical protocols of wedding ceremonies unique to Okutama.

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  • Miyuki OKADA, Yuko OHASHI
    2020 Volume 71 Issue 10 Pages 673-679
    Published: 2020
    Released: October 28, 2020
    JOURNALS FREE ACCESS

    ??If students could build a good relationship with their romantic partner, the couple would be happy. However, if they excessively depend on their romantic partner, both they and their romantic partner could suffer the pangs of love. Building an adaptive dependence on their romantic partner is an important task for adolescents. The parent-child relationship has a significant connection and is influential on students' dependence on their romantic partner. This study examined the dependence on their romantic partner among university students, and sought to identify the connection between the dependence on their romantic partner and the parent-adolescent relationship. The study group consisted of 596 university students. The authors investigated the dependence on a romantic partner and the parent-adolescent relationship by using a questionnaire.

    ??Based on exploratory factor analysis, university students displayed the dependence on their romantic partner in the following five ways: “reliance”, “separation anxiety”, “self-reliance”, “expectation”, and “subordination”. The means of all the items within the categories, “expectation” and “reliance” were higher than the means of those within the other categories.

    ??In comparison with the parent-adolescent relationship, we identified the differences of romantic relationships divided between male and female student cohorts from the results of the multiple regression analysis. Regarding male students, the dependence in parent-adolescent relationship had a great influence on “subordination”, “separation anxiety”, “reliance”, and “expectation” categories. Regarding female students, the dependence in parent-adolescent relationship had a great influence on “reliance” and “expectation” categories. Male students depend on their parents, which are divided into two patterns, adaptive dependencies and maladaptive dependencies on their romantic partner.

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