Race as a Durable and Shifting Idea: How Black Millennial Preservice Teachers Understand Race,Racism, and Teaching

The rapidly changing landscape of 21st-century education has sparked intense conversations around the need for a more racially and ethnically diverse PK–12 teacher population. Drawing from critical race theory and racial formation, I describe findings from a qualitative case study that examined how a group of black millennial preservice teachers understand race and racism. Findings from the study illuminate that race and racism continue to hold relevance for the participants, even as they recognized generational differences in how these issues operate in past and present social relations. Additionally, as the participants express both sophisticated and simplistic understandings about racism, social media and university spaces allow students to expand their knowledge about race and racism.     

Does performance level affect initial ball flight kinematics in finger and wrist-spin cricket bowlers?

Spin bowling plays a fundamental role within the game of cricket yet little is known about the initial ball kinematics in elite and pathway spin bowlers or their relationship to performance. Therefore, the purpose of this study was to record three-dimensional ball kinematics in a large and truly high level cohort of elite and pathway finger-spin (FS) and wrist-spin (WS) bowlers, identifying potential performance measures that can be subsequently used in future research. A 22-camera Vicon motion analysis system captured retro-reflective markers placed on the seam (static) and ball (dynamic) to quantify ball kinematics in 36 FS (12 elite and 24 pathway) and 20 WS (eight elite and 12 pathway) bowlers. Results indicated that FS bowlers delivered the ball with an increased axis of rotation elevation, while wrist-spin bowlers placed greater amounts of revolutions on the ball. It also highlighted that ball release (BR) velocity, revolutions and velocity/revolution index scores for both groups and seam stability for FS bowlers, and seam azimuth angle and spin axis elevation angle for WS bowlers, were discriminators of playing level. As such these variables could be used as indicators of performance (i.e. performance measures) in future research.     

Use of saliva for assessment of stress and its effect on the immune system prior to gross anatomy practical examinations

The objective of this study was to determine the longitudinal effects of a series of stressful gross anatomy tests on the immune system. Thirty‐six freshman occupational therapy students completed a written stress evaluation survey, and saliva samples were obtained at baseline and prior to each of three timed‐practical gross anatomy tests. Cortisol, secretory IgA (sIgA), and IL‐12 concentrations were measured within the salivary samples by enzyme‐linked immunosorbent assay. The total scores from the stress surveys were used as markers for environmental stress. Data were compiled for each student at baseline and prior to each examination and were compared by repeated‐measures MANOVA and Pearson's correlation test. Following normalization for protein concentration and flow rate, the concentrations of IL‐2, IL‐6, IL‐12, and sIgA progressively increased from baseline to the third test. Cortisol concentrations, following normalization for flow rate, were highest prior to the first test and became significantly reduced prior to second and third test. Prior to second and third test, salivary concentrations of IL‐6, IL‐2, IL‐12, and sIgA were significantly correlated (P < 0.05). In contrast, prior to third test, there was a negative correlation between salivary concentrations of cortisol and IL‐12 (P < 0.05). Progressive increases in salivary sIgA, IL‐6, IL‐2, and IL‐12 concentrations from the first to the third test coincident to decreased salivary cortisol suggest that the initial examination stressors precede significant effects on the immune system. These data suggest that there may be latent effects of examination stress on the immune system and that saliva can be used to predict these effects. Anat Sci Educ. © 2010 American Association of Anatomists.     

NCAA football television viewership: Product quality and consumer preference relative to market expectations

The authors estimate the determinants of college football television viewership across the full quality spectrum of contests and test whether consumer preferences vary based on changes in the attributes of the core product. They utilize national television viewership data at the individual game level over a three season period and estimate numerous consumer demand models using zero-truncated negative binomial regression. The results indicate a lack of support for anticipated outcome uncertainty, but support for contests where actual outcomes are closer than market expectations. Consumer preferences are not consistent across game qualities, which may indicate that game type is linked to variation in the consumer base and reference-dependent preferences. The findings may also explain why the uncertainty of outcome hypothesis is supported in some contexts, but not others. Preference for absolute quality also dominates preference for relative quality. This finding has important implications for contest scheduling. Given the common practice of advance scheduling creates sub-optimal conference and network television schedules, stakeholders could be leaving television revenues on the table.     

Factors affecting occlusion pressure and ischemic preconditioning

Purpose: To determine the effect of limb selection (upper/lower), cuff width (small (6?cm)/medium (13?cm) upper; medium/large (18?cm) lower) and anthropometry on arterial occlusion pressure (AOP) in ischemic preconditioning (IPC). Methods: Twenty athletes (10 females and 10 males) had surface anthropometry and dual x-ray absorptiometry (DXA) assessments before using Doppler ultrasound to confirm AOP for each limb. Subsequently, 5?min of occlusion occurred, with near-infrared spectroscopy (NIRS) measuring muscle oxygenation changes. Resultant AOP was compared between sexes, limbs and cuff sizes using linear regression models. Results: Mean AOP was higher in the lower limbs than the upper limbs (161?±?18 vs. 133?±?12?mm?Hg; p?p?p?=?.222). Sex and resting systolic blood pressure (SBP) accounted for 77% (small cuff) to 83% (medium cuff) of variance in AOP for upper limbs, and 61% (medium cuff) to 63% (large cuff) in lower limbs. Including anthropometry accounted for 82% (small cuff) to 89% (medium cuff) and 78% (medium cuff) to 79% (large cuff) of variance for upper and lower limbs, respectively. Adding DXA variables improved the explained variance up to 83% (small cuff) to 91% (medium cuff) and 79% (medium cuff) to 87% (large cuff) for upper and lower limbs, respectively. NIRS data showed significantly greater tissue oxygenation changes in upper versus lower limbs. Conclusions: The AOP in athletes is dependent on limb occluded, sex, SBP, limb and cuff size, and body composition.     

From the kids to ‘The Kids’ – the development of negative social capital I a Little League Baseball organization

Abstract

Based on extensive fieldwork within a youth baseball league in the American Southwest, this paper has two goals. First, I make a conceptual distinction between the dark side of social capital and what I term “negative social capital.” Second, I detail how negative social capital developed and was deployed within the Valley City Little League, with an emphasis on origins and the consequences for both the individuals involved as well as the league as a whole. I also examine how negative social capital was able to develop in a child-centered voluntary organization, an anomaly within extant research on negative relationships in such organizations.     

Exploring the Change in Motivations for Fantasy Sport Participation During the Life Cycle of a Sports Fan

A total of 529 respondents who had participated in fantasy sport in the past year completed a survey regarding their media consumption habits and motivations for play. Significant age divides were uncovered between players who were younger than age 35 as opposed to respondents who were 35 and older. Overall, younger participants consumed 4.2 more hours of sports media content per week and were more likely to participate in fantasy sport because of entertainment, enjoyment, and surveillance desires. In contrast, older participants were more likely to participate in fantasy sport to pass the time, even though consumption research indicates that they spent less time devoted to the activity than their younger counterparts. In addition, younger participants were more likely than older participants to exhibit a desire to establish and exhibit elements of personal sports knowledge. Implications for communication researchers interested in media and/or sport are articulated.