Changes in energy availability across the season in Division I female soccer players

Abstract

Low energy availability [(energy intake – exercise expenditure)/kg lean body mass], a component of the Female Athlete Triad, has been associated with menstrual disturbances and low bone mass. No studies have examined the energy availability of athletes across a season. The purpose of this study was to assess the prevalence of, and what contributes to, low energy availability in Division I female soccer players across a season. Nineteen participants aged 18–21 years (mean [Vdot]O_2max: 57.0 ± 1.0 mL · kg^?1 · min^?1) were studied during the pre, mid, and post season. Mean energy availability was overall lowest at mid season, and lower at mid than post season (35.2 ± 3.7 vs. 44.5 ± 3.7 kcal · kg^?1 lean body mass, P = 0.009). Low energy availability (<30 kcal · kg^?1 lean body mass) was observed in 5/19 (26.3%), 5/15 (33.3%), and 2/17 (11.8%) of participants during the pre, mid, and post season. Dietary energy intake was lower mid (P = 0.008) and post season (P = 0.022) than it was pre season (pre: 2794 ± 233 kcal · day^?1; mid: 2208 ± 156 kcal · day^?1; post: 2161 ± 143 kcal · day^?1). Exercise energy expenditure decreased significantly (P ≤ 0.001) over time (pre: 819 ± 57 kcal · day^?1; mid: 642 ± 26 kcal · day^?1; post: 159 ± 28 kcal · day^?1). Low energy availability was due to lower dietary energy intake at lunch during pre season (P = 0.014) and during lunch and dinner during mid season (P ≤ 0.030). Energy availability was inversely related to body dissatisfaction (r = ?0.62, P = 0.017) and drive for thinness (r = ?0.55, P = 0.041) during mid season. Although most Division I female soccer players are not at risk for low energy availability, a concerning proportion exhibited low energy availability at pre or mid season. Further studies are needed to explore strategies to prevent and monitor low energy availability in these athletes.     

Insights gained from a comparison of South African and Canadian first-generation students: the impact of resilience and resourcefulness on higher education success

ABSTRACT

First-generation students are often described as disadvantaged in university adjustment, self-efficacy and grades. Yet this deficit model of understanding first-generation students ignores their cultural capital, which could increase resilience and resourcefulness. Here, 844 students (31% first-generation) in South Africa and Canada completed measures of resilience, resourcefulness, university adjustment, academic self-efficacy and self-reported grades. Overall, the results reveal that the characterisation of first-generation students is culturally specific and, in some ways, differs between Canada and South Africa. That is, the deficit model may better describe Canadian than South African first-generation students. Yet, in many ways first-generation students are like their peers and their academic outcomes are predicted by their culturally specific levels of resourcefulness and resilience. This study support the notion that the positives students bring to university should be considered and that students would benefit from being taught the requisite skills involved in increasing resourcefulness and resilience.     

Salary increases and teaching effectiveness

The relationship between salary increases and student ratings of teaching effectiveness was studied for a sample of 266 faculty members at Kansas State University. Three measures of teaching effectiveness (student progress in meeting relevant course objectives, liking the instructor, and appreciation of the field of study) and two salary criteria (percent and dollar increases) were used. Several measures of the emphasis on the teaching function were used to determine if this variable moderated the relationship between salaries and student ratings. The effect of discipline was also examined.In general, there was a modest but significant correlation between ratings of teaching effectiveness and percent salary increase. The amount of emphasis given to the teaching function was a significant determinant of the strength of this relationship. Correlations were generally more pronounced in social science and humanities than in the science areas. Student motivation was highly correlated with effectiveness ratings, but was not regularly taken into account in salary recommendations.     

LIS Training for Support Staff: An Initial Review of Associate's and Certificate Programs In The U.S.

ABSTRACT

The author presents the results of a review and analysis of thirty-five colleges and universities in the United States that currently offer an Associate's degree and/or vocational certificate(s) in Library and Information Science. These programs, which are geared primarily to existing library support staff who seek additional training, have been created independently of each other and without a national standard to guide the curriculum. Although the American Library Association-Allied Professional Association's Library Support Staff Certification offers guidelines for the educational content of Associate's level LIS programs, a comparison reveals significant gaps. Furthermore, the ALA-APA program currently approves courses at only three institutions in the nation, and certifies graduates from only fourteen. The author identifies areas of misalignment between the Library Support Staff Certification and existing LIS programs and suggests directions for future improvement.

Column Editor’s Note Community college libraries are deeply underrepresented in the professional literature and organizations of academic librarianship. As a result, the challenges and successes that take place in the community college world are largely invisible to others. This JLA column lifts the curtain to reveal the uniqueness of community college libraries as described by their most passionate advocates: the librarians who work there. Articles in this column pay tribute to the commitment and creativity of community college librarians by providing a platform where they can share their professional perspectives and stories. Want to write for this column? Interested authors are invited to submit articles to the editor at kimreed@cwidaho.cc.     

Averting a Recruitment Crisis in Educational Psychology Services: An investigation of psychology undergraduate perspectives on the profession

This paper describes a survey of psychology undergraduates' perceptions of educational psychology, and the factors most likely to motivate or deter them from joining the profession. Results suggest that interest in educational psychology as a career option is at its lowest level for thirty years or more. The paper presents evidence that the current recruitment crisis within the profession needs to be addressed at a number of levels, including: the promotion within first degree programmes of improved understanding of educational psychology as a discipline and a profession, and of the links between basic research and its applicability to educational psychology in practice; the further development of the role which educational psychologists (EPs) fulfil, and the accurate dissemination of information about the profession; stream-lining and rationalising post-graduate training routes for psychology graduates, in order to offer a more accessible career route, and maximising its direct relevance in supporting the acquisition of core professional skills; and attenting to pay and conditions within the profession, so that it competes on more equal terms with other career destinations considered by undergraduates.     

The Structure of Ill-Structured (and Well-Structured) Problems Revisited

Educational Psychology Review - In his 1973 article The Structure of ill structured problems, Herbert Simon proposed that solving ill-structured problems could be modeled within the same...     

Potentiation of responding on a VR schedule by a stimulus correlated with reinforcement: Effects of diffuse and localized signals

In Experiment 1, rats were trained to leverpress on a variable ratio (VR) 30 schedule with a 500-msec delay between the reinforced response and food delivery. Subjects that experienced a signal during the delay responded faster than did control subjects that received the stimulus un-correlated with reinforcement. Higher response rates were obtained when the stimulus used to signal reinforcement was auditory rather than visual. Experiments 2 and 3 compared the effects of signaling reinforcement with either a localized or a diffuse light on responding maintained by VR schedules of reinforcement. Elevated response rates were observed with the diffuse stimulus, but the localized stimulus failed to produce such potentiation. Experiment 3 also examined the conditioned reinforcing power of localized and diffuse visual stimuli. These results are discussed with reference to (1) theories of selective association and sign tracking and (2) their implications for current theories of signaling reinforcement.