• Journal of the Korean Home Economics Association
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• v.18 no.2
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• pp.23-39
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• 1980

The purpose of this study is to investigate various factors which affect father's child-rearing attitudes through the examination of father-child relationships. In other words, the study aims at finding out how the variables possessed by father side operate on his child-rearing attitudes according to the sex and birth-order of children. Hence, the study is carried out on the hypothesis that father's variables such as age, education, occupation, religion, etc. show different aspects on child-rearing attitudes by way of a child's sex and birth-order. The results of the study show that the factors that affect father's child-rearing attitudes are child's variables such as sex and birth-order as well as father's variables such as education, occupation and religion. describing these factors I detail, the study shows that father has higher concern on daughter rather than on son; the higher education he has, the higher his concern is; and when father has a white-collar job or is a Christian, he shows higher concern on his children. The above mentioned factors are analyzed and classified as follows by the child-rearing contents: A. The factors which affect father's concern one his children are: 1) sex, 2) father's education and 3) occupation related to the sex and birth-order of children. B. The factors which affect father's participation in child-care are; 1) sex, 2) birth-order, 3) father's education, 4) occupation and 5) religion related to the sex and birth-order. C. The factors which affect father's disciplinary attitudes (Praise or scolding) are ; 1) sex, 2) father's education and 3) religion related to the sex and birth-order. C. The factors which affect father's disciplinary attitudes (praise or scolding) are; 1) sex, 2) father's education related to sex, and 3) sex in terms of negative attitudes. E. Finally, father's age is proved to be a factor that does not give any significance in his child-rearing attitudes.

• Journal of Aquaculture
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• v.19 no.2
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• pp.99-108
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• 2006

Sex of the Nile tilapia Oreochromis niloticus is mainly determined by an XX/XY system. However, accumulating evidences suggest the existence of additional sex modifying factors including environmental, autosomal and parental influences. In order to investigate the possibility of parental effects on sex ratios of tilapia progenies, in this study, a series of crosses was carried out using gynogenetic clonal fish, neomales, normal males and females, and YY fish. Crosses between clonal XX male and clonal female have yielded only female progenies and no parental influences were observed. However, in the crosses between clonal males and normal females, female parents were significantly associated with the progeny sex ratios ($X^2$=20.046, 7 d.f., p<0.01). Progeny sex ratios from the crosses between neomales and normal females ($X^2$=60.491, 5 d.f and $X^2$=28.072, 2 d.f.) also showed significant association with female parents (P<0.001). The stability of progeny sex ratios from repeated spawns were confirmed by using 6 different parental pairs. In 16 crosses between normal males and normal females, sex ratios of progenies showed clear maternal influences, and further analysis of the results revealed a negative correlation ($r^2$=0.7718, p<0.05) between the sex ratios of progenies from two different males, indicating a strong paternal influence. No statistically significant relationship between survival rates and sex ratios of progenies was observed in any genotypic groups. Taken together, the influence of parental pairs on progeny sex ratios in this species is evident although the cause of this influence is not clear.

• Women's Health Nursing
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• v.11 no.2
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• pp.120-128
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• 2005

Purpose: This study was conducted to describe the perception of parental sex role held by university students and to examine differences in perception of parental sex role according to student characteristics. Method: The participants were 336 university students in Gangreung city. The instrument of parental sex role was developed by the researcher and consisted of 3 subcategories; general parent role, parental sex role as a father and parental sex role as a mother. Results: The most positive item of parental sex role as a father is 'the Father's role is teaching about the value of society'. The most positive item of parental sex role as a mother is 'the Mother's role is to be a counselor or friend'. There were significant differences in perception of a father's role according to sex, type of college, fathers who lived with student during childhood, the relationship with the parent, the plan of marriage & having a child, responsibility of childrearing, and the need for education for the parental role. There were significant differences in perception of the mother's role according to sex, grade, type of college, birth order, type of family, persons who lived with student during childhood, the relationship with the parent, plan of marriage & having a child, responsibility of child-rearing, and the need for education for the parental role. Conclusion: The parental sex role changes overtime. Thus, it is important to identify university student's perception of parental sex roles as pre-parent preparation for parenting.

• Journal of Korean Home Economics Education Association
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• v.21 no.4
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• pp.127-144
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• 2009

The purpose of this study was to develop and to examine the effect on sex education program to middle school student. The subjects were 8 grade students and to examine 10 session education. Collected data was analyzed by SPSS WIN 12.0 program. The major results of this study were as follow ; First sex education program was developed into four areas : human and sex psychology, physical development and sex healthy, sex social environment and equality, marriage and healthy family. Included program contents were human dignit communication, sex curiosity, difference of sex, genital organs, pregnancy and birth, family violence, sexual violence, equality, parent-children relationships, family role. Second, sex education program was effective to improve degree of sex knowledge and to change sex attitude. Finally, sex education program needs to be continuously offered even to lower grades in elementary school.

• International Journal of Industrial Entomology and Biomaterials
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• v.8 no.2
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• pp.123-127
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• 2004

Normally, silkworms, Bombyx mori, generate offspring by sexual activity. As we known, the hybrids of the first generation of the silkworm have higher cocoon production than pure lines. During the sericulture production, many processes are related with sex control. For example, sex sorting in the egg grainages, rearing of only male silkworm to save the mulberry leaf consumption and increase silk output and quality. Therefore it is very interested in understanding the sex control of the silkworm in theory and practice. Chinese sericultural scientists have been being engaged in the researches in the fields of artificifial parthogenesis, dispermic androgenesis, sex-limited varieties, sex linkage balanced lethal strain and high temperature sensitive male stocks for several decades and gained substantial achievement. Some of the achievements have been used in the commercial production. In this review, the authors introduced that the methods for control of the silkworm sex, and regulate the silkworm sex ratio according to different producing aim in the world and especially in China.

• Korean Journal of Human Ecology
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• v.17 no.4
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• pp.631-638
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• 2008

This study is to examine the influences of the sex and the extramarital sexual involvement on the permissiveness toward extramarital relationship. The relative influences which the sex and the extramarital sexual involvement have on the permissiveness were measured accordingly to the sex of the involved spouse. From the sample of 492 married individuals, the findings were as follows : First, regardless of the sex of the respondents, extramarital relationship was mostly disapproved. Irrespective of the sex of the involved spouse, men tended to be more permissive than women. Respondents who had extramarital sexual involvements were more permissive than those who had not. Also, whether the respondent had experienced an extramarital sexual involvement or not, women's permissiveness did not depend much on the sex of the involved spouse. Meanwhile, men's permissiveness did. Second, while both the sex and the extramarital sexual involvement were significant variables influencing men's extramarital relationships, only the extramarital sexual involvement proved to be significant in women's case. This result identifies the sex double-standard for the permissiveness toward extramarital relationship.

• Korean Journal of Human Ecology
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• v.16 no.6
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• pp.1251-1268
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• 2007

The purpose of this study is to develope sex education program for high school girls and to verify the effectiveness of the program in terms of improving the knowledge and attitude of them after executing the program. The subjects of study are 126 girls from K high school in Changwon city and they are divided into an experimental group and control group, and each group has 63 students. The program is executed 8 sessions during 8 weeks and the necessary time is 50 minutes for each session. The experimental group who has received sex education shows higher level of sex knowledge after sex education than control group, and the experimental group shows higher level of sound attitude toward sexual matters after sex education. The effect of education regarding sexual knowledge and attitude in an experimental group are lasted even after the education is finished. Conclusionally, these results shows that the sex education program which is developed for this study is effective.

• Korean Journal of Child Studies
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• v.11 no.2
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• pp.82-97
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• 1990

The purpose of this study was to investigate (1) the developmental level of children's concept of gender by age and sex. (2) children's sex-specific behaviors by age and sex, and (3) children's sex-specific behaviors by developmental level of gender constancy. The subjects were 164 children (forty 3-year-olds, forty-three 5-year-olds, forty 7-year-olds and forty-one 9-year olds) with nearly equal numbers of boys and girls. They were selected from two kindergartens and one elementary school. A quasi experiment was carried out with the procedures described by Slaby and Frey (1976) to measure children's developmental level of the concept of gender constancy. Two experiments were carried out to observe children's sex-specific behaviors: one for children's toy choice behavior and the other for children's interaction with their peers. Statistical methods adopted for data analysis were frequencies. percentiles, mean. and $X^2$. It was found that children's sex-specific behaviors were different according to their developmental level of gender constancy. Children's developmental level of gender constancy was significantly different according to their age, but there was no difference according to their sex. Children's toy-choice behavior was significantly different according to their age and sex. Children's sex-specific behaviors were significantly different according to their concept of gender constancy.

• Korean Journal of Child Studies
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• v.7 no.2
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• pp.17-32
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• 1986

The purpose of the present research was to study (1) children's sex-stereotyped perception toward adult occupations, and (2) the impact of traditional sex-stereotypes on future occupational preference. The subjects of this study were 120 children, 3 to 8 years of age enrolled in kindergatens and elementary schools. The instrument was developed by the researcher and consisted of 10 occupations which are traditionally sex-typed in Korean society. 5 male and female sex-typed occupations were selected with the participation of 200 college students. These occupations were illustrated on 10 pictorial cards, and short verbal explanations were given for each of them. It was found that: (1) Levels of children's perception of occupational sex stereotypes show that children aged five to six are marked comparatively higher than those aged three to four in the perception of occupation, children of seven to eight age indicate slightly downward; however, they are not differed significantly from those of five to six. (2) As far as levels of children'5 perception of occupational sex stereotypes aged three to four, five to six and seven to eight are concerned, interaction between age and sex was not shown significantly. Female children were more stereotyped at almost all age levels. (3) Irrespective of sex and age, all subjects were more familiar with male than with female occupations. (4) in the choice of future occupations, boys as well as girls preferred sex-stereotyped occupations for themselves. Boy's choices were more stereotyped than girls', but the number of kinds of occupations chosen by boys and by girls was not different. (5) There was an increase with age in the number of children who gave future occupational choices.

• The Journal of the Korea Contents Association
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• v.16 no.1
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• pp.230-240
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• 2016

This study analyzed the differences of the sex-role attitude and marital satisfaction of the elderly couples according to the demographic factors as well as analyzed the relationships between sex-role attitude(sex-role awareness, sex-capacity awareness) and marital satisfaction. 378 structured questionnaires were collected from elderly couples who were pus 60 and live in Gyeonggi-do areas. And the frequency analysis, factor analysis, hierarchical regression analysis, t-test, and ANOVA were carried out through SPSS Ver. 20. The findings are as follows. First, the differences of the sex-role attitude and marital satisfaction of the elderly couples according to the demographic were found partially. Second, the sex-role awareness of the elderly couples affected on marital satisfaction positively, but the sex-capacity awareness did not.