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Dive into the research topics where Niwako Yamawaki is active.

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Featured researches published by Niwako Yamawaki.


Journal of Interpersonal Violence | 2007

Rape Perception and the Function of Ambivalent Sexism and Gender-Role Traditionality

Niwako Yamawaki

This study explores the roles of benevolent sexism (BS), hostile sexism (HS), and gender-role traditionality (GRT) in minimizing rape, blaming the victim, and excusing the rapist. As predicted, hostile sexists minimize the seriousness of the rape in both stranger and date-rape scenarios. In the victim-blame scale, both BS and GRT significantly moderate victim blame in a date but not stranger scenario. BS and GRT moderate the perpetrator-excuse measure in a date scenario but HS is the significant moderator in a stranger scenario. These results show that external observers make different assumptions about a rape incident based on their GRT, BS, and HS levels in different victim-perpetrator relationships.


Journal of Interpersonal Violence | 2012

Perceptions of Domestic Violence The Effects of Domestic Violence Myths, Victim’s Relationship With Her Abuser, and the Decision to Return to Her Abuser

Niwako Yamawaki; Monica Ochoa-Shipp; Craig Pulsipher; Andrew Harlos; Scott Swindler

Researchers in this study examined the attitudes toward domestic violence, the victim, and her perpetrator. A total of 194 participants were randomly assigned to one of 4 hypothetical scenarios to evaluate how observers’ perceptions were influenced by their own sex and myths about domestic violence, by the victim’s decision to return to the abusive relationship, and by the relationship status of the victim (dating or married to the perpetrator). Results demonstrated significant main effects of participant’s sex, domestic violence myths, and of the victim’s relationship status and decision to return. That is, participants blamed the victim who reportedly returned to her abuser more than the victim about whom there is no such information. Further, participants with greater domestic violence myths tended to blame the victim more than those with less myths, and male participants blamed the victim and minimized the incident more than female participants. Implications, limitations of the study, and future research are discussed.


Psychiatry and Clinical Neurosciences | 2014

Trauma, depression, and resilience of earthquake/tsunami/nuclear disaster survivors of Hirono, Fukushima, Japan

Hiroko Kukihara; Niwako Yamawaki; Kumi Uchiyama; Shoichi Arai; Etsuo Horikawa

A mega‐earthquake and tsunami struck the northeastern coast of Japan, and many survivors were forced to evacuate to temporary housing due to rising radiation levels. The aims of this study were to investigate the prevalence of symptoms of post‐traumatic stress disorder (PTSD), depression, and poor general health among survivors, to test the predictive roles of resilience on mental and physical health, and to examine the predictive sociodemographic factors on resilience.


Journal of Cross-Cultural Psychology | 2012

Within-Culture Variations of Collectivism in Japan

Niwako Yamawaki

Modeling after Vandello and Cohen’s American Collectivism Index, the researcher developed a scale to measure collectivism in prefectures (similar to U.S. states) in Japan. The new scale was evaluated against results from the Japanese General Social Survey, a national survey of individuals conducted annually, and was tested for association with common correlates of cultural syndromes. As expected, the Japanese Collectivism Scale (JCS) was reliable and was significantly associated with results of the individual-level attitudinal survey and the correlates of collectivism. The JCS also showed within-culture variations of collectivism in Japan—variations that are important to consider when interpreting cross-cultural differences in attitudes and behavior.


Transcultural Psychiatry | 2013

Prevalence and risk factors of problematic Internet use: A cross-national comparison of Japanese and Chinese university students

Chun Yan Yang; Takeshi Sato; Niwako Yamawaki; Masakazu Miyata

The aim of the present study was to compare risk factors for problematic Internet use (PIU) among Japanese and Chinese university students. A sample of 267 Japanese and 236 Chinese first year university students responded to questionnaires on the severity of PIU, depression, self-image/image of others, and perceived parental child-rearing styles. The results indicated that Japanese participants were more likely to demonstrate PIU than their Chinese counterparts. Compared to Chinese students, Japanese students reported more negative self-image, lower parental care, greater overcontrol, and higher depression scores. The PIU group had a higher depression score compared to the normal Internet use group. Compared with the non-PIU group, the PIU group consisted of more male and Japanese participants. Further, they tended to have more negative self-images, saw their mothers to be less caring, and perceived their mothers and fathers as more overcontrolling. PIU is strongly associated with depression, negative self-image, and parental relations. Finally, mediation analysis revealed that such national differences in PIU between Japanese and Chinese were clarified in depression and perceived mother’s care. This cross-national study indicated that depression and perceived mother’s care were both significant risk factors that were associated with the national difference in PIU between Japanese and Chinese participants.


International Journal of Psychology | 2013

Adolescent–parent attachment as a mediator of relations between parenting and adolescent social behavior and wellbeing in China

Mengfei Cai; Sam A. Hardy; Joseph A. Olsen; David A. Nelson; Niwako Yamawaki

The purpose of this study was to examine links between parenting dimensions (authoritative parenting, psychological control, and parental authority) and adolescent wellbeing (self-esteem, autonomy, and peer attachments) as mediated by parent-teen attachment, among Chinese families. The sample included 298 Chinese adolescents, ages 15-18 years (M(age) = 16.36, SD = .68; 60% female). The mediation model was examined using path analyses (one model with parental authority as overprotection, and one with it as perceived behavioral control). To improve model fit a direct path was added from authoritative parenting to autonomy. Authoritative parenting was positively predictive of attachment, while psychological control and overprotection (but not behavioral control) were negative predictors. In turn, adolescent-parent attachment was positively related to the three outcomes. Lastly, the model paths did not differ by adolescent gender. These findings suggest that parenting behaviors may play a crucial role in adolescent social behaviors and wellbeing via adolescent-parent attachment.


Health Care for Women International | 2009

Effects of Husbands’ Migration on Mental Health and Gender Role Ideology of Rural Mexican Women

Jared Aaron Wilkerson; Niwako Yamawaki; Samuel D. Downs

Our purpose for this study was to investigate the roles of migration in rural Mexican migrant–sending communities. Specifically, we examined the effects of changing gender role ideology on the mental health of wives whose spouses migrated to the United States. The sending group scored significantly higher in egalitarian gender role ideology but lower in general mental health than the nonsending group. We found through mediation analysis that the difference in gender role ideology mediated the difference in mental health between the two groups. Results are contrary to some psychological and feminist literature advocating benefits of masculine or androgynous ideology.


Psychiatry and Clinical Neurosciences | 2011

Increased self-transcendence in patients with intractable diseases

Rie Iwamoto; Niwako Yamawaki; Takeshi Sato

Aims:  Patients with intractable disease require long‐term treatment and experience repeated bouts of progressive symptoms and resolutions, which cause them severe suffering. The aim of this study was to elucidate the concepts of self‐transcendence and subjective well‐being in patients with intractable disease.


European Journal of Psychiatry | 2011

Predictors of negative attitudes toward mental health services: A general population study in Japan

Niwako Yamawaki; Craig Pulsipher; Jamie Moses; Kyler R. Rasmuse; Kyle A. Ringger

Background and Objectives: As the impact of psychiatric disorders increases in Japan, finding a method of predicting attitudes towards mental health services has become increasingly important. Aims: This study examined the factors that influence negative attitude toward mental health services among a general population in Japan. Methods: Data from a survey asking 2,023 Japanese adults about desire to receive counseling, perceived level of knowledge about counseling, desire to live in the same neighborhood in the future, choice of persons to talk to about psychiatric problems, and demographic information were analyzed. Results: Women reported greater desire to receive psychiatric treatment than men did and were more often willing to consult with friends and family about mental health issues. Older individuals showed more negative attitudes than those in younger age groups. Those who anticipated staying in the same neighborhood also reported being less likely to have desire to seek treatment. Conclusions: Fear of stigma is one of the explanations of the negative attitudes toward psychiatric treatment. Given that age, gender, and perceived knowledge of treatment predicted the negative attitudes toward seeking mental health services, community intervention programs should be developed to target such populations, educate individuals, and ameliorate stigma about such treatment. Received: 22 March 2010 Revised: 21 October 2010 Accepted: 22 December 2010 102 NIWAKO YAMAWAKI ET AL.


Journal of Early Adolescence | 2013

Factors Influencing Attitudes Toward Sexual Activity Among Early Adolescents in Japan

Miyuki Nagamatsu; Niwako Yamawaki; Takeshi Sato; Aki Nakagawa; Hisako Saito

The purpose of this study was to examine factors influencing attitudes toward sexual activity among early adolescents in Japan. A total of 1,551 students aged 12 to 14 years at 4 junior high schools were divided into either a conservative or liberal group. Results of chi-square tests showed that the liberal group had higher percentages of students with drinking, smoking, and sexual activity than the conservative group. The liberal group also had more dating partners and friends with sexual experiences than the conservative group. Unpaired t test indicated that the liberal group rated lower than the conservative group in talking to their parents about life and AIDS and teachers listening to their opinions. Furthermore, a multiple regression analysis showed that smoking, experience with sex, talking to parents about AIDS, teachers listening to participants’ opinion, older dating partners, and friends with sexual experiences were all significant predictors of attitude toward sexual activity.

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Angie Makomenaw

University of Northern Colorado

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