This study presents a meta-anlalytic review of 119 studies, published between 1990 and 2009, of gender differences and variables associated with overt and relational aggression during childhood and adolescence. Gender differences in overt aggression were found to be significantly higher in boys than girls, but significant gender differences in relational aggression were not found. Gender differences of only overt aggression are moderated by age and the reporter type. In general, both overt and relational aggression are more strongly related to maladjustment than adjustment. In addition to this, overt and relational aggression has both common and differential associations with relative levels of maladjustment and adjustment. The moderation of these effect sizes of both overt and relational aggression by age and the reporter type was found.
The proposal that a sound change is occurring in Korean stops was evidenced in this study through identification experiments on Korean stops. Perceptual weight of acoustic correlates to Korean stop manner contrast [VOT (Voice Onset Time), H1-H2 (amplitude difference between the first and second harmonics), and F0 (Fundamental frequency)] was examined with re-synthesized /$t^ha$/, /ta/, and /$t^*a$/ syllables for younger and older Seoul speakers of Korean. For the identification of the aspirated and lenis stops, F0 cue weight relative to VOT was greater for the younger listeners than the older listeners. For H1-H2 cue weight, the two listener groups were more or less the same. These findings were parallel to the production differences found in the earlier work of the author. Combined with production differences, these perception differences between younger and older generations of Seoul speakers suggested that there are generational differences in the phonetic targets of Korean aspirated and lenis stops and such differences are realized in the perception of the stops.
The purpose of this study was to investigate inservice elementary teachers' view and the change of preservice elementary teachers' view on the nature of science by the science education course. The subjects were 386 junior preservice teachers in a National University of Education and 257 inservice teachers working in a metropolitan city. An instrument consisting of fifty eight items were developed on the bases of previous studies. Before entering the course, preservice teachers view was compared by gender with T-test and no significant differences were found except the category 'role of a scientist'. Preservice teachers view was also compared by major with ANOVA and significant differences were found on the categories 'scientific method' and 'scientific law'. After the course, on comparing their view by gender, significant differences were found on the categories 'scientific theory', 'scientific knowledge', and 'scientific law'. The result of ANOVA by major, significant differences were found except the category 'role of a scientist'. Inservice teachers view was compared by gender and major and the differences were no significant, the significant differences, however, were founded in comparing by career and ability.
This study explores whether Russian, known to have a process of syllable-final devoicing, reveals differences in vowel duration as a function of the underlying voicing of the coda stop. This paper also examines whether non-native speakers of Russian and English learn typical L2 values in vowel duration. The results indicate that vowels in Russian have a slightly longer mean duration before a voiced stop than before a voiceless stop (a mean difference of 9.52 ms), but in most cases the differences did not exhibit statistical significance. In English the mean difference was 60.05 ms, and the differences were in most cases statistically significant. All native Russian speakers of English produced larger absolute differences in vowel duration for English than for Russian, and all native English speakers of Russian produced smaller absolute differences for Russian than for English. More experienced learners seemed to achieve more native-like values of vowel duration than less experienced learners did, suggesting that learning occurs gradually as the learners gain more experience with the L2.
Smartphone use is rapidly spreading due to the advantage of being able to connect to the Internet anytime, anywhere--and mobile app development is developing accordingly. The characteristic of the mobile app market is the ability to launch one's app into foreign markets with ease as long as the platform is the same. However, a large amount of prior research asserts that consumers behave differently depending on their culture and, from this perspective, various studies comparing the differences between consumer behaviors in different countries exist. Accordingly, this research, which uses online product reviews (OPRs) in order to analyze the cultural differences in consumer behavior comparatively by nationality, proposes to compare the U.S. and South Korea by selecting ten apps which were released in both countries in order to perform a sentimental analysis on the basis of star ratings and, based on those ratings, to interpret the sentiments in reviews. This research was carried out to determine whether, on the basis of ratings analysis, analysis of review contents for sentiment differences, analysis of LDA topic modeling, and co-occurrence analysis, actual differences in online reviews in South Korea and the U.S. exist due to cultural differences. The results confirm that the sentiments of reviews for both countries appear to be more negative than those of star ratings. Furthermore, while no great differences in high-raking review topics between the U.S. and South Korea were revealed through topic modeling and co-occurrence analyses, numerous differences in sentiment appeared-confirming that Koreans evaluated the mobile apps' specialized functions, while Americans evaluated the mobile apps in their entirety. This research reveals that differences in sentiments regarding mobile app reviews due to cultural differences between Koreans and Americans can be seen through sentiment analysis and topic modeling, and, through co-occurrence analysis, that they were able to examine trends in review-writing for each country.
Journal of Fisheries and Marine Sciences Education
/
v.27
no.3
/
pp.791-803
/
2015
This study aims to examine the influence of tennis instructors' coaching behaviors on the satisfaction with lessons and preference for instructors. In order to achieve this study objective, by using the quota sampling out of nonprobability sampling for tennis club members who are now(2015) actively involved in tennis courts located in Daejeon Metropolitan City and Chungcheongnam-do, and also receiving tennis lesson for more than six months or used to take lessons before, the 325 effective samples were used for data analysis. Using the SPSS Ver. 21.0 Window Program, the collected data went through frequency analysis, exploratory factor analysis, reliability analysis, t-test, one-way ANOVA, correlation analysis and multiple regression analysis, and the results are like below. Regarding differences of coaching behaviors depending on sex, first, there were significant differences in the factors like explanatory instruction, positive feedback and negative feedback. In case of differences in accordance with age, every factor showed significant differences. In regard of differences depending on academic background, there were differences in the factor of negative feedback while the factor of positive feedback showed differences in accordance with the experience of lesson. In case of differences depending on the level of athletic performance, there were statistically significant differences in the factors like explanatory instruction, questioning instruction and negative feedback. Second, the positive feedback, one of the sub-factors of coaching behaviors had positive influence on satisfaction with lesson while the explanatory instruction, one of the sub-factors of coaching behaviors had positive influence on preference for instructors. Lastly, the satisfaction with lesson had positive influence on preference for instructors.
Objectives: To examine the regional mortality differences in The Republic of Korea according to geographic location. Methods: All 232 administrative districts of the Republic of Korea in 1998 were studied according to their geographic locations by dividing each district into three categories; "metropolis," "urban," and "rural". Crude mortality rates for doth sexes from total deaths as well as the three major causes of death in Korea (cardiovascular disease, cancer, and external causes) were calculated with raw data from the "1998 report on the causes of death statistics" and resident registration data. Standardized mortality ratios (SMR) were calculated using the indirect standardization method. Poisson regression analyses were performed to examine the effects of geographic locations on the risk of death. To correct for the socioeconomic differences of each region, the percentage of old ($\geq$ 65 years old) population, the number of privately owned cars per 100 population, and per capita manufacturing production industries were included in the model. Results: Most SMRs were the lowest in the metropolis and the highest in the rural areas. These differences were more prominent in men and in deaths from external causes. In deaths from cancer in women, the rural region showed the lowest SMR. In Poisson regression analysis after correcting for regional socioeconomic differences, the risk of death from all causes significantly increased in both urban (OR=1.111) and rural (OR=1.100) regions, except for rural women, compared to the metropolis region. In men, the rural region showed higher risk (OR=1.180) than the urban region (OR=1.l51). For cardiovascular disease and cancer, significant differences were not found between geographic locations, except in urban women for cardiovascular disease (OR=1.151) and in rural women for cancer (OR=0.887), compared to metropolis women. In deaths from external causes, the risk ratios significantly increased in both urban and rural regions and an increasing tendency from the metropolis to the rural region was clearly observed in both sexes. Conclusions: Regional mortality differences according to geographic location exist in The Republic of Korea and further research and policy approaches to reduce these differences are needed. to reduce these differences are needed.
Journal of The Korean Society of Integrative Medicine
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v.10
no.3
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pp.247-256
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2022
Purpose : The purpose of this study was to investigate the effects of Kaltenborn-Evjenth (KE) joint mobilization of the distal radioulnar joints (RUJ) and proximal RUJ in distal radius fractures (DRFs) on range of motion (ROM), grip strength (GS), and patient-written wrist evaluation (PRWE) in each group once, thrice, or fivefold. Methods : Forty-two subjects participated in this study. We divided the subjects with DRFs into groups applying KE concepts RUJ mobilization once, thrice, and fivefold. The patients' ROM and GS were measured using a joint goniometer and dynamometer, respectively. Pain and function were also assessed using a PRWE. In the statistical analysis, all data were tested for normality using the Shapiro-Wilk test, and paired t-tests were performed for within-group before-and-after comparisons of each intervention. One-way analysis of variance was used for between-group comparisons of differences. All statistical significance levels were set at α=.05. Results : There were significant differences in the ROM in all three groups before and after the intervention (p<.05), but there were no significant differences between the groups. There were significant differences in the GS in the three groups before and after the intervention (p<.05), but there were no significant differences between the groups. In the pain part of the PRWE, all three groups had significant differences before and after intervention (p<.05), but there was no significant difference between the groups. In the functional part of the PRWE, there were significant differences in the three groups before and after intervention (p<.05), but no significant difference occurred between the groups. Conclusion : Based on the aforementioned results, there were no significant between-group differences in ROM, GS, and PRWE (pain and function) after the application of the K-E joint mobilization to DRFs once, thrice, and fivefold. Nevertheless, there were significant within-group differences in all the above.
This study was carried out to compare perceptions about nursing activities in oriental medical hospital settings. Data were collected from 47 patients hospitalized in an oriental medical hospital, and 41 nurses and 47 oriental medical doctors working in four oriental medical hospitals from July 10th to Sept.20th, 1991. The findings of this study are as follows. 1. There were significant differences in the perceptions about physical nursing activities between patients ( M=44.07) and nurses (M=48.44) (t=-3.09. p=0.003) , and between nurses and oriental medical doctors (M=41.47) (t=-5,20. p=0.000). 2. There were no differences in perceptions about psychological and emotional nursing activities between patients ( M=27.64) and nurses (M=28.52) (t=-1.02, p=0.310), but there were differences between nurses and oriental medical doctors ( M=24. 31) (t=-5.31, p=0.000). 3. There were differences in perceptions about observation, recording and implemention of medical care activities between patients (M=53.65) and nurses (M=57.08) (t=-2.15, p=0.034), but there were no differences between nurses and oriental medical doctors (M=57.28) (t=0.14, p=0.892). 4. There were no differences in perceptions about nursing management activities between patients (M=24.88) and nurses (M=26.42) (t=-1.91, p=0.059), but there were differences between nurses and oriental medical doctors (M=24.25) (t=-3.24, p=0.002).
This study is to infer consumer's value and demographics towards Missy, who are womens of new generation which represents new consumer group in fashion industry. The concrete purpose of the study is as follows : First : To find out the differences of value inference towards Missy depending on demographics of researched group. Second : To find out differences of value inference towards Missy depending on self-evaluation. Third : To find out differences of perception towards Missy's demographics between the groups of career women, housewives, students. Fouth : To find out differences of perception towards Missy's demographics depending on self-evaluation about Missy's of researched group. The researched group was 251 women aged between $20\sim30$ living in Seoul and sample have been selected from various profession. Method of the study was by using questionnares which were based on results of pretest and preceding research. Analysis of the study was achieved by using SPSS package which are frequency, percentage, $x^2$-test, t-test and Anova, Duncan-test and the results are as follows: First : There are significant differences of value inference towards Missy between the groups who are perceived themselves Missy by self evaluation and the groups who are not. Third : There are significant differences of perception towards Missy's demographics between the groups of career women, housewives, students. Fourth : There are significant differences of perception in regards to Missy's demographics between perceived themselves Missy and the others who are not.
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