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  • Open Access

    ARTICLE

    Mechanical Properties and Microcosmic Properties of Self-Compacting Concrete Modified by Compound Admixtures

    Song Yang1, Bing Qi1, Zubin Ai1, Zhensheng Cao1, Shiqin He2,*, Lijun Li3

    Journal of Renewable Materials, Vol.10, No.4, pp. 897-908, 2022, DOI:10.32604/jrm.2022.016653

    Abstract It has become a research hotspot to explore raw material substitutes of concrete. It is important to research the mechanical properties of self-compacting concrete (SCC) with slag powder (SP) and rubber particle (RP) replacing cement and coarse aggregate, respectively. 12 kinds of composite modified self-compacting concrete (CMSCC) specimens were prepared by using 10%, 20% and 30% SP and 30%, 40%, 50% and 60% RP. The rheological properties, mechanical properties and microstructure of the CMSCC were investigated. Results indicate that the workability, compressive strength, splitting tensile strength and flexural strength of CMSCC prepared by 20% SP and less than 40% RP… More >

  • Open Access

    ARTICLE

    Fly Ash/Paraffin Composite Phase Change Material Used to Treat Thermal and Mechanical Properties of Expansive Soil in Cold Regions

    Yong Chen1, Yinghao Huang1,2,*, Min Wu1 and Shuo Wang1

    Journal of Renewable Materials, Vol.10, No.4, pp. 1153-1173, 2022, DOI:10.32604/jrm.2022.018856

    Abstract Phase change materials (PCMs) can store large amounts of energy in latent heat and release it during phase changes, which could be used to improve the freeze-thaw performance of soil. The composite phase change material was prepared with paraffin as the PCM and 8% Class C fly ash (CFA) as the supporting material. Laboratory tests were conducted to reveal the influence of phase change paraffin composite Class C fly ash (CFA-PCM) on the thermal properties, volume changes and mechanical properties of expansive soil. The results show that PCM failed to establish a good improvement effect due to leakage. CFA can… More >

  • Open Access

    ARTICLE

    Protective Factors for Loneliness among Adolescents during COVID-19: Role of the Interpersonal Relationships and Sibling Status

    Sha Shen1, Saidi Wang2,*, Md Zahir Ahmed3, Fatema Akhter Hiramoni4, Jingrong Sha1, Xiangdong Yan5, Mary C. Jobe6 and Oli Ahmed7

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 499-511, 2021, DOI:10.32604/IJMHP.2021.018661

    Abstract This study examined the moderating effects of parent-child, same-sex, opposite-sex and teacher-student relationships between sibling status and loneliness during COVID-19. A total of 1,591 adolescents in China completed the study questionnaires which assessed the aforementioned variables. The results showed that same-sex and teacherstudent relationships moderated the association between sibling status and loneliness. The results indicated that among participants with good same-sex relationships during COVID-19, compared to non-only-children participants, the only-children participants were more likely to experience a lower level of loneliness. However, participants with poor same-sex relationships experienced similar level of loneliness regardless of whether they had siblings. These findings… More >

  • Open Access

    ARTICLE

    The Kazdin Method for Developing and Changing Behavior of Children and Adolescents

    Alan E. Kazdin*

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 429-442, 2021, DOI:10.32604/IJMHP.2021.019135

    Abstract The Kazdin Method™ is a version of parent management training in which parents are trained to alter the behaviors of their children. The method draws on the principles and techniques of applied behavior analysis. The techniques focus on antecedents (what comes before the behavior), behavior (crafting the precise behaviors one wishes to develop), and consequences (usually praise to increase the likelihood that the desired behaviors will be performed again). The key focus is repeated practice in changing parent and child behaviors. The article traces the evolution of my use of parent training to treat severe aggressive and antisocial behavior among… More >

  • Open Access

    ARTICLE

    The Relationship among Chinese Adolescents’ Parental Involvement, Core Self-Evaluation and School Adaptation

    Yi Yang1,*, Tao Li2, Lijun He3,4

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 521-531, 2021, DOI:10.32604/IJMHP.2021.019290

    Abstract The present study discusses the relationship among Chinese adolescents’ parental involvement, core self-evaluation, and school adaptation. The Parental Involvement Behavior Questionnaire, Core Self-Evaluations Scale (CSES), and the School Adaptation Inventory were used to survey 1258 Chinese middle school students. The results showed that adolescents’ school adaptation was significantly positively correlated with parental involvement and core self-evaluation. Furthermore, parental involvement and core self-evaluation were positively correlated. Mediation analysis found that core self-evaluation had partially mediated the relationship between adolescents’ parental involvement and school adaption. Parental involvement could directly affect adolescents’ school adaptation and indirectly affect school adaptation through the mediating effect… More >

  • Open Access

    ARTICLE

    Analysis on the Driving Factors and Realization Path of the Value of Tutor-Student Relationship of Postgraduates-with Medical and Pharmaceutical Universities as an Example

    Fang Wu1, Qian Yu1, Kangran Wang1, Hong Gao2,3,*

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 545-564, 2021, DOI:10.32604/IJMHP.2021.017877

    Abstract A harmonious relationship between teachers and postgraduates presents the comprehensive value of psychological education, which guarantees training quality and acts as an effective carrier of mental health education of the postgraduates. Based on Bandura’s theory of reciprocal determinism and Austin’s input-output theory, this paper constructs a model concerning the value of psychological education in the tutor-student relationship. The path of realization is also explored in a structural equation model through a questionnaire survey of 1112 graduate supervisors and administrators in medical colleges. The experimental result indicates that (1) The interaction between teachers and postgraduates promotes the value of psychological education… More >

  • Open Access

    ARTICLE

    The Acute Effects of Aerobic Dance Exercise with and without Face Mask Use on Attention, Perceived Exertion and Mood States

    Maamer Slimani1,2,*, Nicola Bragazzi3, Amri Hammami2, Hela Znazen4, Qian Yu5,6, Zhaowei Kong6, Liye Zou5

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 513-520, 2021, DOI:10.32604/IJMHP.2021.017639

    Abstract The present study aimed to determine the effect of wearing a face mask during aerobic dance exercise on cognitive function, more specifically on attention, as well as on perceived exertion and mood states. Thirteen healthy college students (9 males and 4 females: mean age = 17.5 years, height = 1.72 m, weight = 71.00 kg) volunteered to participate in this study. They were randomized to perform aerobic dance exercise while wearing a cloth face mask or no mask or a control condition (sitting on a comfortable chair and reading information about the health benefits of aerobic dance exercise) on three separate occasions (with at least one week of… More >

  • Open Access

    ARTICLE

    Mental Illness Education through Stories of Lived Experience: Validation Review of the DoNOHarm Framework

    Debra Rickwood1,*, Kerry Thomas1, Patricia M. Brown1, Heidi Prowse2

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 455-469, 2021, DOI:10.32604/IJMHP.2021.017613

    Abstract The lived experience of people with mental illness is a powerful way to promote mental health literacy and reduce the stigma associated with mental illness. However, there is little guidance on how to do this safely. Mental Illness Education ACT is an Australian organisation that since 1993 has supported volunteer educators to share their individual stories of lived experience to school and community groups. In 2011, they developed the DoNOHarm Framework to assist volunteers to be able to talk about their experiences in a way that is safe for them and for their audience, a gap that they recognised in… More >

  • Open Access

    ARTICLE

    The Effect of Online Wellness Coaching for Nursing Students during the COVID-19 Lockdown on Well-Being: A Qualitative Study

    Şeyma Zehra Altunkurek*

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 577-588, 2021, DOI:10.32604/IJMHP.2021.017492

    Abstract Aim: The aim of this study was to explore and describe the lived experience of 3rd-year nursing students who participated in an online wellness coaching program during the COVID-19 pandemic lockdown. Methods: This qualitative research study on an online wellness coaching program included 30 female students, aged 21 to 30 years, who were confined to their home during the COVID-19 outbreak for two months. The students were asked to describe their feelings and responses during the COVID-19 lockdown. Results: Four thematic clusters emerged in the data analysis: what the students felt during the quarantine period, what the wellness coaching practice… More >

  • Open Access

    ARTICLE

    Rethink Left-Behind Experience: New Categories and Its Relationship with Aggression

    Chunyang Zhang1, Yijun Lin1, Yuyang Zhou2, Wei Xu1,3,*

    International Journal of Mental Health Promotion, Vol.23, No.4, pp. 443-454, 2021, DOI:10.32604/IJMHP.2021.017229

    Abstract Left-behind experience refers to the experience of children staying behind in their hometown under the care of only one parent or their relatives while one or both of their parents leave to work in other places. College students with left-behind experience showed higher aggression levels. To further explore the relationship between left-behind experience and aggression, the current study categorized left-behind experience using latent class analysis and explored its relationship with aggression. One thousand twenty-eight Chinese college students with left-behind experience were recruited, and their aggression levels were assessed. The results showed that there were four categories of left-behind experience: “starting… More >

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