1,720,956 research outputs found
Relationships among physical self-concept, physical activity and physical fitness in three different participant groups
The overarching goals of this dissertation were accomplished in three distinct studies. The design of the first study is a descriptive study to determine in young adults the relationships among physical fitness, activity and self-concept; lower extremity strength and power; and physical self-concept. The correlations between the maximal aerobic physical performance measure and the Endurance and Activity subdomains of the PSDQ-S were moderately strong at r = 0.60 and r = 0.54, respectively. Low but significant relationships were found between VO2 max and the Sport subdomain (r = .35). Another significant and moderately strong correlation was found between the seated row and the Activity subdomain for the 3-RM/BW% (r = 0.64). The Strength subdomain measure significantly correlated with the 3-RM/BW% for the seated row (r = 0.35) and chest press (r = 0.43). The ACT and SP subdomains both demonstrated the greatest number of significant correlations with the strength physical performance measures. ACT demonstrated weak to moderate correlations with chest press (r = 0.40), seated row (r = 0.61), and QUAD180 (r = 0.34) SP was correlated with chest press (r = 0.40), seated row (r = 0.39), leg press (r = 0.33), and QUAD180 (r = 0.35.) For Global PSC and SE, only the quadriceps isokinetic measures yielded moderate but significant relationships (r = 0.33 and r = 0.37 for 60 and 180 degrees per second speeds, respectively). This study provided insight on the relationships between perceived competencies in the various domains of physical self-concept and objective measures of physical fitness. The Activity and Sport subdomains of physical self-concept were the best self-reported measures of physical fitness, while the seated row measure represented the best objective measure for overall physical fitness. The design of the second study was a case series consisting of three subjects. Baseline measures of physical self-concept, muscular and cardiovascular endurance, and physical activity levels were collected within 1 month of the conclusion of a previous research study that involved the same subjects for this study that received a 12-week supervised aerobic and resistance training program. These outcome measures were compared at the conclusion of the intervention to assess levels of effectiveness and compliance with the unsupervised home exercise program. The mean values of all the factors of the PSDQ-S were lower for all three subjects in this case report as compared to a reference population of 986 high school students from Australia. The two global factors of self-esteem and overall physical self-concept for two of the three subjects were lower than the reference group. The three subjects showed small decrements in muscular strength and cardiovascular endurance at baseline of the unsupervised study despite a washout period that ranged from 3-10 weeks between from the supervised intervention. Two subjects essentially maintained their VO2 max while the third subject had a large improvement (25%) at the conclusion of the unsupervised program from baseline. At the conclusion of the unsupervised program, only subject came close to meeting the Federal Physical Activity recommendations. The other two subjects lacked almost 400 minutes per week of recommended moderate to vigorous physical activity. The low self-reported physical activity levels for two of the subjects would suggest a much smaller expected change in aerobic capacity and muscle force generation than what actually occurred, thus a discrepancy existed between the self-reported physical activity and the physical fitness measures. The third study utilized a quasi-experimental design. The subjects were women referred to an Exercise and Education group (Ex + Ed); the comparison group were women who received a Diet-only (Diet) intervention. Education about proper diet and activity levels were provided to all participants. The Diet group received monthly education from their physician and a health educator. The Ex + Ed group received education from physical therapists and dieticians as part of their group intervention. Seventy-seven women enrolled in the Ex + Ed intervention and completed the baseline assessments. Twenty-three women completed the assessments at the conclusion of the 12-week intervention, resulting in a 71.1% attrition rate. At baseline, there were no differences in body weight between the women in Ex + Ed and Diet interventions. The women in the Diet group were significantly younger, had fewer co-morbidities and tended to be of Hispanic ethnicity. The ethnic make-up of the women in the Ex + Ed group was predominately African-American. The results of the 2 x 2 mixed model ANOVA revealed a significant group x time interaction (p = .02). The Diet group had a mean decrease in body weight of approximately 2.31 kg as compared to the Ex + Ed group with a mean decrease of 0.43 kg. Post hoc analysis with alpha set at .025 revealed a significant within-participants' effect for weight loss at the conclusion of the Diet intervention (p < .001). For the participants in the Ex + Ed intervention, significant improvements were made in the distance walked in six minutes and isometric load lifted for the squat and grip strength averages of both sides. The self-reported measures of physical self-concept and moderate PA improved significantly from baseline. Similar to previous studies, weight loss can be achieved easier by controlling caloric intake versus increasing caloric expenditure with exercise. Despite the absence of weight loss, improvements in physical fitness and physical self-perceptions can occur for obese women from low socio-economic backgrounds
Going Beyond Counting First Authors in Author Co-citation Analysis
The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
We provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
We have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
Author-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
In Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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