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101.
Donna Harp Ziegenfuss Patricia A. Lawler 《International Journal for Academic Development》2013,18(3):151-160
This research study describes the experiences and perceptions of an instructor and an instructional design specialist who collaborated on the design and implementation of a university course using a new course design process. Findings uncovered differences between an informal collaboration process and the adaptation of that process for implementation in a classroom setting. Recommendations support the concepts of a long‐term collaboration, consideration of classroom constraints, and the importance of course participant voices and perspectives. Thoughtful consideration of the interaction of the design and implementation processes and commitment to continual course design collaboration can have positive implications for academic development. Cette étude décrit les expériences et perceptions d’un enseignant et d’un spécialiste du design pédagogique ayant collaboré au design et à la mise en ?uvre d’un cours universitaire à l’aide d’un nouveau processus de développement de cours. L’étude a permis de mettre en lumière les différences entre un processus informel de collaboration et l’adaptation de ce processus de façon à le mettre en ?uvre dans le contexte d’une classe. Les recommandations présentées soutiennent les concepts de collaboration à long terme, la considération des contraintes de classe, et l’importance de la voix et de la perspective des participants au cours. Une réflexion approfondie de l’interaction entre les processus de design et de mise en ?uvre, de même qu’un engagement à l’égard d’une collaboration continue en matière de design pédagogique peuvent avoir des implications positives sur les expériences de développement pédagogique. 相似文献
102.
103.
Joanna Dudek Tyler Colasante Antonio Zuffianò David W. Haley 《Child development》2020,91(1):e198-e217
The transition to motherhood triggers changes in human brain structure that may facilitate mother–infant bonding. Although much research on maternal cortical responses to infant faces has focused on the postpartum period, no previous study has examined whether longitudinal functional changes in the maternal cortex during pregnancy and postpartum are associated with mother–infant bonding. Using electroencephalography, prenatal to postnatal changes in cortical sensitivity (P1, P2, late positive potential, N170 event-related potentials) to infant and adult faces were examined in relation to reported mother–infant bonding in 40 mothers (Mage = 30.5 years). Prenatal to postnatal increases in P1 and P2 responses to infant faces predicted stronger bonding. Findings suggest that cortical changes in attention allocation rather than in face-specific encoding enhance bonding. 相似文献
104.
Lauren C. Benson Tyler J. Tait Kimberley Befus John Choi Colin Hillson Carlyn Stilling 《Journal of sports sciences》2020,38(8):928-936
ABSTRACTA high incidence of overuse knee injuries among youth basketball players may be attributed to number of jumps. Wearable technology may be an effective tool for measuring jump load compared to traditional counting methods. The purpose of this study was to validate a commercially available jump counter (VERT® Classic) in youth basketball practices and games, and to identify the characteristics (i.e., height, direction, takeoff) of jumps recorded by the VERT® Classic. 46 (19F, 27M) youth basketball players wore a VERT® Classic and were recorded on video during games and practices. The number of jumps recorded by the VERT® Classic and evaluated by video raters were compared for each jump characteristic using intraclass correlation coefficient (ICC(3,k)), mean offset, and limits of agreement. The number and percent of VERT® Classic jumps and corresponding video jumps according to timestamp were reported. VERT® Classic jumps had excellent reliability with video-counted jumps over 15 cm (ICC(3,k) = 0.958), with a mean offset of ?2.4 jumps (fewer VERT® Classic) and limits of agreement ?12.6 to 7.8 jumps. Pairs of corresponding jumps represented 68.0% of total video jumps and 92.0% of VERT® Classic jumps. The VERT® Classic can provide an estimate of jump load in youth basketball. 相似文献
105.
Tyler Martindale 《资料收集管理》2020,45(4):321-334
Abstract This study shares the results of a citation analysis performed on the publications of the faculty of the College of Business at a large public university in the southern United States for the years 2014–2018. The study examined articles produced by the faculty over the last five years, as well as their cited references and citing articles, in an attempt to establish a list of core journals for business and uncover potential gaps in coverage. Implications for collection development are addressed, as are the benefits for early-career librarians or those unfamiliar with the publishing behaviors of a newly assigned subject discipline. 相似文献
106.
Timothy C. Mauntel Tyler R. Cram Barnett S. Frank Rebecca L. Begalle Marc F. Norcross J. Troy Blackburn 《Sports biomechanics / International Society of Biomechanics in Sports》2018,17(2):273-284
Lower extremity injuries have immediate and long-term consequences. Lower extremity movement assessments can assist with identifying individuals at greater injury risk and guide injury prevention interventions. Movement assessments identify similar movement characteristics and evidence suggests large magnitude kinematic relationships exist between movement patterns observed across assessments; however, the magnitude of the relationships for electromyographic (EMG) measures across movement assessments remains largely unknown. This study examined relationships between lower extremity kinematic and EMG measures during jump landings and single leg squats. Lower extremity three-dimensional kinematic and EMG data were sampled from healthy adults (males = 20, females = 20) during the movement assessments. Pearson correlations examined the relationships of the kinematic and EMG measures and paired samples t-tests compared mean kinematic and EMG measures between the assessments. Overall, significant moderate correlations were observed for lower extremity kinematic (ravg = 0.41, rrange = 0.10–0.61) and EMG (ravg = 0.47, rrange = 0.32–0.80) measures across assessments. Kinematic and EMG measures were greater during the jump landings. Jump landings and single leg squats place different demands on the body and necessitate different kinematic and EMG patterns, such that these measures are not highly correlated between assessments. Clinicians should, therefore, use multiple assessments to identify aberrant movement and neuromuscular control patterns so that comprehensive interventions can be implemented. 相似文献
107.
Michael S. Green Amanda K. Benson Tyler D. Martin 《Research quarterly for exercise and sport》2018,89(2):183-189
Purpose: This study investigated the physiological effects of wearing a mouthguard during submaximal treadmill exercise. Method: Twenty-four recreationally active males (Mage = 21.3 ± 2.4 years, Mheight = 1.78 ± 0.06 m, Mweight = 81.9 ± 10.6 kg, Mbody mass index = 25.8 ± 3.4 kg·m?2) performed incremental, continuous exercise at 2, 4, 6, and 8 mph (3.2, 6.4, 9.7, 12.9 kph) for 5 min at each speed on a motor-driven treadmill on 2 separate occasions in a randomized, crossover, counterbalanced design while wearing or not wearing a self-adaptable “boil and bite” mouthguard. Respiratory rate (RR), tidal volume (VT), ventilation (VE), oxygen consumption (VO2), respiratory exchange ratio (RER), and heart rate (HR) data were averaged during the last 60 s of each exercise stage; blood lactate (LA) was measured before exercise and 3 min and 10 min following exercise. Results: Repeated-measures analysis of variance revealed that mouthguard use failed to alter the response of RR, VT, VE, VO2, RER, and HR to treadmill exercise (p > .05), although each variable did increase in magnitude as a result of increasing treadmill speed (p < .001). Although increasing to above resting values at both 3 min and 10 min (p < .001) after cessation of exercise, LA levels also displayed no differences with mouthguard use (p > .05). Conclusion: Despite predictable increases in respiratory, metabolic, and cardiovascular variables in response to incremental exercise, the presence of a mouthguard failed to affect the magnitude or nature of these physiological responses. 相似文献
108.
Opportunity hoarding is a sociological concept first introduced by Charles Tilly. This article explores its utility for historians by examining efforts to exclude different groups of people in a major American metropolis during the 1960s and seventies. This was a period of significant social change, as the racial composition of big city schools shifted dramatically and suburban school districts grew substantially. An examination two such suburban districts finds sustained and effective measures undertaken to exclude African-Americans from moving into one of them. In the neighbouring district, resistance to low-income housing was initially successful but white residents were unable to prevent relatively affluent blacks from settling there. This eventually contributed to further white flight and the transition to a predominantly African-American district. Mechanisms of exclusion are discussed, along with the utility of opportunity hoarding as a concept for historians interested in studying similar issues in other settings. 相似文献
109.
E-Mail as Spectroscopy: Automated Discovery of Community Structure within Organizations 总被引:2,自引:0,他引:2
Joshua R. Tyler Dennis M. Wilkinson Bernardo A. Huberman 《The Information Society》2005,21(2):143-153
We describe a method for the automatic identification of communities of practice from e-mail logs within an organization. We use a betweenness centrality algorithm that can rapidly find communities within a graph representing information flows. We apply this algorithm to an initial e-mail corpus of nearly 1 million messages collected over a 2-month span, and show that the method is effective at identifying true communities, both formal and informal, within these scale-free graphs. This approach also enables the identification of leadership roles within the communities. These studies are complemented by a qualitative evaluation of the results in the field. 相似文献
110.
Children have been sexually exploited throughout recorded history. The invention of the camera and subsequent related technological advances (slides, movies, instant picture cameras and videotape) have provided new avenues for the exploitation of children by facilitating the distribution of pictorial representations of these children on a world-wide basis. A major use of commercial child pornography is to convince a potential child victim that the sexual acts desired by the adult offender are fun, exciting, can satisfy the child's curiosity and are a societally acceptable means of expressing affection. Commercial child pornography publications contain numerous pictures of children viewing child pornography, in some cases replicating the pose(s) depicted in the viewed material. Although many jurisdictions have now prohibited child pornography, the need for a world-wide ban continues, as the remaining producers distribute their material throughout the world. 相似文献