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Using Multivariate Statistics

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Cultivating Communities of Practice: A Guide to Managing Knowledge

This is the first handbook where the world’s foremost “experts on expertise” review our scientific knowledge on expertise and expert performance and how experts may differ from non-experts in terms of their development, training, reasoning, knowledge, social support, and innate talent. Methods are described for the study of experts’ knowledge and their performance of representative tasks from their domain of expertise. The development of expertise is also studied by retrospective interviews and the daily lives of experts are studied with diaries. In 15 major domains of expertise, the leading researchers summarize our knowledge of the structure and acquisition of expert skill and knowledge and discuss future prospects. General issues that cut across most domains are reviewed in chapters on various aspects of expertise, such as general and practical intelligence, differences in brain activity, self-regulated learning, deliberate practice, aging, knowledge management, and creativity.

The Cambridge Handbook of Expertise and Expert Performance

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The Senses Considered As Perceptual Systems

The purpose of this study was to examine the impact of a hybrid Sport Education–Invasion Games Competence Model (SE-IGCM) unit application on students’ improvements in decision making, skill execution and overall game performance, during a soccer season. Twenty-six fifth-grade students from a Portuguese public elementary school participated in a 22-lesson season, in which pre-test, post-test and retention test measures were analyzed through the instrument developed by Blomqvist et al. (2005). Results showed that teaching a soccer unit in a SE environment sustained by the learning tasks structure provided by the IGCM offered students a chance to improve skill execution, as well their tactical decision making. The overall results showed a strong impact on students’ learning, especially for girls and low skill-level students, fostered by the equitable participation. The retention test was particularly important to assess gains of students of all skill levels, particularly the low-skilled students.

The impact of a hybrid Sport Education–Invasion Games Competence Model soccer unit on students’ decision making, skill execution and overall game performance:

This review aims to examine the most significant research regarding the development of talent in sport, with a focus on the quantity and type of practice necessary for the attainment of expertise. ...

Talent development in sport: A critical review of pathways to expert performance:

The aim of this study was to assess the effects of quality of opposition and match status on technical and tactical volleyball performances, as measured by block, attack, serve, and set actions related to the tasks, space, players, and efficacy of selected game actions. Twenty-five matches from the men's World Cup 2007 were notated and through cluster analysis were classified as “high” (HIGH), “intermediate” (INT) or “low” (LOW) quality. The difference between points scored and points allowed was used to define match status. Multinomial logistic regression identified an association of match status with: set direction (likelihood ratio test [LRT] = 15.5, P = 0.017) and block typology (LRT = 9.6, P = 0.047) in HIGH vs. HIGH matches; attack player (LRT = 17.4, P = 0.026) and block typology (LRT = 9.2, P = 0.010) in LOW vs. LOW matches; and serve type (LRT = 17.4, P = 0.002), block strategy (LRT = 53.7, P <0.001), and serve efficacy (LRT = 26.0, P = 0.001) in HIGH vs. LOW matches. Results suggest tha...

Effects of quality of opposition and match status on technical and tactical performances in elite volleyball

The purpose of this paper was to report the development and preliminary validation of tactical assessment system in Soccer and highlight its advantages. The validation process followed five perspectives of the concept of validity that consider the value of heuristic methods and the importance of the description of behavior performed in playing situations. Thus, the process of validation was focused on four points: i) acceptability and reasonableness of the test perceived by players; ii) analysis of content of assessment tool through a panel of experts; iii) potential of the assessment tool to discriminate the quality of the performance of players; iv) observation reliability. The results displayed values higher than 0.63 for correlation between the evaluations of coaches and the system. It shows the potential of this system to distinguish the performances of players based on the evaluations of coaches. The players who performed the field test agreed with its physical demands and spatial and normative configurations. All experts endorsed the categories and variables of this system. The reliabilities showed values higher than 0.79 for intra and inter-observers. Therefore, it is possible to conclude that the system is valid and reliable for the assessment of the tactical behavior of soccer players.

https://revistas.rcaap.pt/motricidade/article/download/121/2581

System of tactical assessment in Soccer (FUT-SAT): Development and preliminary validation

The purpose of this paper was to study performance levels in scoring skills in the Volleyball World League 2005, and to relate the results to the teams’ final ranking in the tournament. The sample consisted in 33745 actions, distributed by serve (n=12434), block (n=7200), and spike (n=14111), having been recorded during 72 World League 2005 matches. Both absolute (number of successful and unsuccessful executions) and relative (coefficient of performance, percentage of successful executions and percentage of unsuccessful executions) variables have been considered for the three dimensions (spike, serve, and block). Team ranking has been calculated for each variable. Also, each team’s final ranking in the tournament has been considered. The results permit us to conclude that the spike is the best indicator of success in high level volleyball, but only when considering relative measures. Simultaneously, the number of block points per game proved to be a good indicator of success in volleyball. Finally, the nu...

Isabel Mesquita

Papers

The impact of a hybrid Sport Education–Invasion Games Competence Model soccer unit on students’ decision making, skill execution and overall game performance:

Talent development in sport: A critical review of pathways to expert performance:

Effects of quality of opposition and match status on technical and tactical performances in elite volleyball

System of tactical assessment in Soccer (FUT-SAT): Development and preliminary validation

The weight of terminal actions in Volleyball. Contributions of the spike, serve and block for the teams’ rankings in the World League 2005