Effect of different number of players and training regimes on physiological and technical demands of ball-drills in basketball

This study aimed to analyse the effects of two factors (number of players and training regimes) on players’ physiological and technical demands in basketball ball-drills. Twenty-one young basketball players performed four different ball-drills (two levels for each factor). The number of players involved was 2vs2 and 4vs4, while ball-drill regimes were continuous and intermittent. Physiological demand was assessed using the percentage of maximal heart rate (%HR_max), Edwards’ training load and rating of perceived exertion (RPE). Furthermore, the following technical actions were collected: dribbles, steals, rebounds, turnovers, passes (total, correct, wrong and % of correct pass) and shots (total, scored, missed and % of made shot). A 2 × 2 (number of players × regime) two-way ANOVA with repeated measures was applied for physiological parameters and technical actions. The 2vs2 condition showed higher %HR_max (P < 0.001), Edwards’ training load (P < 0.001), RPE (P < 0.001), number of dribbles (P < 0.001), rebounds (P < 0.001), passes [total (P = 0.005) and correct (P = 0.005)] and shots [total (P < 0.001) scored (P < 0.001) and missed (P < 0.001)] than 4vs4. Moreover, the continuous regime revealed higher %HR_max (P < 0.001), Edwards’ training load (P < 0.001), RPE (P = 0.006) and dribbles (P < 0.001) than the intermittent regime. This study showed that both number of players and regime are useful variables able to modify basketball ball-drills workload.     

Effects of a combined inversion and plantarflexion surface on knee and hip kinematics during landing

Although landing in a plantarflexion and inversion position is a well-known characteristic of lateral ankle sprains, the associated kinematics of the knee and hip is largely unknown. Therefore, the purpose of this study was to examine the changes in knee and hip kinematics during landings on an altered landing surface of combined plantarflexion and inversion. Participants performed five drop landings from 30 cm onto a trapdoor platform in three different conditions: flat landing surface, 25° inversion, or a combined 25° plantarflexion and 25° inversion. Kinematic data were collected using a seven camera motion capture system. A 2 × 3 (leg × surface) repeated measures ANOVA was used for statistical analysis. The combined surface showed decreased knee and hip flexion range of motion (ROM) and increased knee abduction ROM (p < 0.05). The altered landing surface creates a stiff landing pattern where reductions in sagittal plane motion are transferred to the frontal plane, resulting in increased knee abduction. A stiff landing pattern is frequently related to increased risk of anterior cruciate ligament injury. It may be beneficial for athletes at risk to train for alternate methods of increasing their sagittal plane motion of the knee and hip with active knee or trunk flexion.     

Technology as ‘Applied Science’

The current consideration of technology as ‘applied science’, this is to say, as something that comes ‘after’ science, justifies the lack of attention paid to technology in science education. In our paper we question this simplistic view of the science-technology relationship, historically rooted in the unequal appreciation of intellectual and manual work, and we try to show how the absence of the technological dimension in science education contributes to a naïve and distorted view of science which deeply affects the necessary scientific and technological literacy of all citizens.     

Promoting Inclusion Via Cross‐Group Friendship: The Mediating Role of Change in Trust and Sympathy

To understand the conditions fostering positive outcomes of inclusive schooling, this two‐wave study examined the role of individual change in trust and sympathy for adolescents' cross‐group friendships and inclusive attitudes toward students with low academic achievement. Cross‐group friendships, intergroup trust, intergroup sympathy, and inclusive attitudes were obtained from surveys completed by 1,122 Swiss adolescents (M_{age T1} = 11.54 years, M_{age T2} = 12.58 years) from 61 school classes. Results from a parallel latent change score model revealed that the number of cross‐group friendships positively related to individual change in trust and sympathy; this growing trust and sympathy in turn predicted adolescents' inclusive attitudes. These findings are discussed regarding theories of intergroup contact and inclusive schooling.     

Introduction to the Treatment of Non-Linear Effects Using a Gravitational Pendulum

We show that the treatment of pendulum movement, other than the linear approximation,may be an instructive experimentally based introduction to the physics of non-lineareffects. Firstly the natural frequency of a gravitational pendulum is measured as functionof its amplitude. Secondly forced oscillations of a gravitational pendulum are investigatedexperimentally without limiting amplitudes. By this arrangement new phenomena, thebistability and the jump-effect, can be observed. In the case of bistability the drivengravitational pendulum can oscillate in two different stable modes. Either it oscillateswith a small amplitude and approximately in phase with the exciting torque or it oscillateswith a larger amplitude and approximately anti-phase. The jump effect is the spontaneoustransition from one mode of oscillation to the other. Both effects can be demonstrated andexplained.     

From soul to matter: the new Spanish Francoist pedagogy’s plunge into experimental pedagogy and the influence of Raymond Buyse

ABSTRACT

This paper analyses the approach to experimental pedagogy adopted by the new Spanish pedagogy which arose after Franco’s victory in the Spanish Civil War. To this end, it first outlines the spiritualist and anti-scientific approaches which prevailed in the new pedagogy of the postwar era, before charting the survival, lying beneath this anti-modernist rhetoric, of an experimental tradition linked to certain clergymen. It then shows how the leading pedagogue of Franco’s Spain, Víctor García Hoz, ended up endorsing this school of thought, and analyses the influence in this evolution of the neo-scholasticism of the University of Louvain and the experimental pedagogy developed by Raymond Buyse, who maintained close ties with Spain throughout the 1940s. The paper also focuses on the key role played by Spanish pedagogy in the construction of an international network of Catholic pedagogues. Finally, a number of explanatory hypotheses are presented to explain the paradox posed by this endorsement of the more scientific version of pedagogy by a vehemently Catholic group of academics.     

The Role of Interracial Interaction in the Development of Leadership Skills and Cultural Knowledge and Understanding

While higher education leaders tout the benefits of racial diversity for developing culturally knowledgeable civic leaders, our understanding of these benefits and, in particular, the role of interracial interaction in realizing them, is still emerging. In this study, differences between the effects of interracial contact among students that are close friends versus more casual interracial interactions are examined for their affect on students' leadership skills and cultural knowledge and understanding. Findings suggest that casual interracial interaction is particularly beneficial among students with more racially homogeneous friendship circles, especially with regard to developing leadership skills. In addition, findings indicate that frequent interracial interaction among students may be more important in developing cultural knowledge than involvement in formal activities such as cultural awareness workshops.     

Brazil Meets the Global Challenge: IT Policy in a Postliberalization Environment

Since the early 1990s, Brazilian IT policy has changed substantially from greenhouse protectionism in selected segments of the market to a more liberal regime. This article analyses the impact of liberalization on IT equipment production, diffusion, employment, and foreign trade. There were both benefits and setbacks, depending on the aspect analyzed. Users benefited from greater access to imported equipment, which could eventually contribute to productivity growth in the overall economy.On the negative side, there was a loss of local linkages with internal sources of components, technology, and employment. The article concludes that the future of the Brazilian IT industry does not seem to be in commodity hardware production. Rather, it lies in design- and engineering-intensive applications. Such "production close to use" can spur domestic use as well as create business opportunities for domestically owned companies in markets not dominated by foreign multinationals.     

Comprehensive pertinence in the quality assessment of higher education / La pertinencia integral en la evaluación de la calidad de la educación superior

This paper is based on the current debate concerning the criteria for quality assessment of higher education in a knowledge society, focusing attention on its pertinence. It is approached from dualities in the university task of producing and transmitting knowledge that intervenes in the analysis of the pertinence criteria for evaluating quality: knowledge use value versus exchange value, or market rules versus other social agents’ demands. The need for a comprehensive pertinence defined by two dimensions, internal and external, is justified.     

The Use of Analogies in Science Communication: Effectiveness of an Activity in Initial Primary Science Teacher Education

International Journal of Science and Mathematics Education - This article presents a study focused on analysing the effectiveness of an activity about the use of analogies in science communication....