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排序方式: 共有173条查询结果,搜索用时 31 毫秒
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Elizabeth Behm-Morawitz Brandon M. Miller Jennifer Lewallen 《Communication Research Reports》2018,35(3):210-221
Content analyses of prime-time television provide a picture of predominant cultural stereotypes and social trends. The present research is a quantitative content analysis of social class in popular broadcast and cable television in the United States. This research advances scholarship by systematically analyzing character class in addition to more commonly examined variables such as race and gender. A model for the operationalization of class for quantitative content analyses of mediated texts is offered. This proof of concept study demonstrates the viability of studying media representations of class quantitatively to systematically document patterns of portrayal. 相似文献
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Mehdi Kargarfard Eddie T.C. Lam Ardalan Shariat Ina Shaw Brandon S. Shaw Shamsul B.M. Tamrin 《Journal of sports sciences》2016,34(10):959-965
It is believed that sport massage after intensive exercise might improve power and perceptual recovery in athletes. However, few studies have been done in this area. This study aimed to examine the effect of massage on the performance of bodybuilders. Thirty experienced male bodybuilders were randomly assigned to either a massage group (n = 15) or a control group (n = 15). Both groups performed five repetition sets at 75–77% of 1RM of knee extensor and flexor muscle groups. The massage group then received a 30-min massage after the exercise protocol while the control group maintained their normal passive recovery. Criteria under investigation included: plasma creatine kinase (CK) level, agility test, vertical jump test, isometric torque test, and perception of soreness. All variables were measured over 6 time periods: baseline, immediately after the DOMS inducing protocol, right after the massage, and 24, 48, and 72 h after the massage. Both groups showed significant (P < .001) decreases in jumping, agility performance, and isometric torque, but significant (P < .001) increases in CK and muscle soreness levels. The massage group in general demonstrated a better recovery rate. As such, a post-exercise massage session can improve the exercise performance and recovery rate in male bodybuilders after intensive exercise. 相似文献
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Jennifer Lewallen Brandon Miller Elizabeth Behm-Morawitz 《Mass Communication and Society》2016,19(3):253-274
The present study used cultivation theory to explore the relationships between celebrity media diet and materialism for a sample of 224 emerging adults. Results indicated main effects between both celebrity magazine consumption and celebrity TV news consumption on materialism. Total celebrity media diet was also significantly related to materialism. Findings suggest that a media diet high in celebrity culture and lifestyle has significant impact on emerging adults’ preoccupation with consumerism, particularly for women. This research contributes to a growing body of literature on the effects of a celebrity-saturated media environment and the cultivation of materialistic attitudes. 相似文献
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Interaction of wrestling shoe and competition surface: effects on coefficient of friction with implications for injury 总被引:1,自引:0,他引:1
Newton R Doan B Meese M Conroy B Black K Sebstianelli W Kramer W 《Sports biomechanics / International Society of Biomechanics in Sports》2002,1(2):157-166
The purpose of this study was to determine whether there is a significant difference in the co-efficient of friction (Fc) between old versus new wrestling shoes and mats and to investigate the effect of perspiration. Fc was measured by dragging a weighted shoe over a wrestling mat surface and measuring the vertical and horizontal forces produced. Three different shoe conditions were assessed over two mat types for both wet and dry conditions for a total of 12 conditions. To simulate the wet condition, saline solution was smeared over the surface of the mat. There was a significant effect of shoe, mat, and wet/dry conditions. In addition, significant interactions of shoe by mat, shoe by dry/wet, and mat by dry/wet were observed. Overall, Fc was 36% higher for the new wrestling mat compared to the old wrestling mat. Application of the saline solution reduced Fc by 14% compared to the dry condition. Comparison of the mean Fc for all three shoe types revealed the Fc for the older design shoe was 23% to 28% lower than the brand new shoe and the worn newer design, respectively. A high Fc, such as in the new mat/new shoe combination, has the potential to increase the risk of knee and ankle injuries by fixing the foot more securely to the ground. 相似文献
6.
Donna Couzens Shiralee Poed Mika Kataoka Alicia Brandon Judy Hartley Deb Keen 《International Journal of Disability, Development & Education》2015,62(1):24-41
More students with disabilities are accessing the tertiary sector with many disabilities not easily observed (or hidden), because there are no physical indicators. These “hidden” disabilities affect a variety of cognitive processes and may be developmental or acquired. To ensure students with hidden disabilities can enrol, engage in and benefit from tertiary education, universities generally provide a range of supports. Typically these supports and any reasonable adjustments are negotiated with students taking into account a number of factors including, where available, any supporting documentation that they might be able to provide. This case study reports efforts within one large Australian university to support higher education students with hidden disabilities on campus. Perceptions on the use of and barriers to support available were collected from seven undergraduate students who self-identified as having hidden disabilities and from eight support staff. Results indicated that students found their informal networks to be their most effective supports, closely followed by clear, caring and flexible lecturers and tutors. There were mixed positive and negative perceptions reported on the universal and disability-specific supports available. Implications and future research directions are discussed. 相似文献
7.
Children often say that strange and improbable events, like eating pickle-flavored ice cream, are impossible. Two experiments explored whether these beliefs are explained by limits in children's causal knowledge. Participants were 423 predominantly White Canadian 4- to 7-year-olds (44% female) tested in 2020–2021. Providing children with causal information about ordinary events did not lead them to affirm that improbable events are possible, and they more often affirmed improbable events after merely learning that a similar event had occurred. However, children were most likely to affirm events if they learned how similar events happened (OR = 2.16). The findings suggest that knowledge of causal circumstances may only impact children's beliefs about the possibility after they are able to draw connections between potential events and known events. 相似文献
8.
Xiaofeng Steven Liu Brandon Loudermilk Thomas Simpson 《Measurement in physical education and exercise science》2014,18(2):91-100
Sample size can be chosen to achieve a specified width in a confidence interval. The probability of obtaining a narrow width given that the confidence interval includes the population parameter is defined as the power of the confidence interval, a concept unfamiliar to many practitioners. This article shows how to utilize the Statistical Analysis System (SAS) proc power procedure to determine an appropriate sample size and achieve sufficient power for a specified confidence interval. Two examples in sport and exercise science are used to illustrate sample size determination for confidence intervals in the dependent and independent t tests. The relevant SAS code and output are provided with detailed annotations. As the use of confidence intervals becomes a more integral part of studies in sport and exercise science, the reporting and analysis of their power should be considered much like that of hypothesis tests. 相似文献
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