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Publicação
A influência da assistência aos jogos sobre o efeito da Vantagem-Casa no basquetebol de alto rendimento
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Orientador(es)
Resumo(s)
A investigação reconhece a influência que a Vantagem Casa exerce sobre a forma de jogar das equipas. As recentes restrições à presença de espectadores representaram uma oportunidade de estudo sobre a influência da assistência nos jogos. Os objetivos deste trabalho foram analisar a influência do público no efeito da Vantagem Casa, analisar o seu comportamento perante o equilíbrio dos jogos, qualidade das equipas e nível da oposição, e perceber os parâmetros estatísticos diferenciadores de quem ganha ou perde em função dessa influência. A amostra foi composta por 484 jogos da fase regular da Euroliga disputados nas épocas 2019/20 (249), com assistência, e 2020/21 (235), sem assistência. Os resultados apontam para a influência positiva que a assistência exerce sobre o efeito da Vantagem Casa expressa numa diferença de 6,5% de vitórias entre as 2 épocas. A influência da qualidade das equipas sobre o efeito da Vantagem Casa apenas teve significado estatístico quando equipas de nível elevado defrontaram adversários de nível médio. A influência positiva da quantidade de espetadores sobre a Vantagem Casa apenas se faz notar em jogos de equilíbrio intermédio. No que diz respeito aos indicadores estatísticos compostos, a Vantagem Casa pode ser analisada de forma independente relativamente ao resultado, expressando-se no Coeficiente de Eficácia Ofensiva, Coeficiente de Eficácia Defensiva, percentagem de Lançamentos de Campo Efetiva, percentagem de Ressaltos Defensivos e percentagem de Roubos de Bola, e de forma isolada relativamente à presença de público, expressando-se na percentagem de Turnovers e na percentagem de Roubos de Bola. Concluímos que a assistência aos jogos tem evidente influência no efeito da Vantagem Casa, contudo, a quantidade de espetadores apenas se revelou importante em jogos de equilíbrio intermédio. Futuras investigações poderão ir mais além na procura de perceber qual a influência do público em fases mais avançadas das competições, assim como, nos momentos críticos e decisivos dos jogos.
The investigation recognizes the influence that Home Advantage has on the way teams play. The recent restrictions on the presence of spectators represented an opportunity to study their influence on games outcome. The purpose in this study was to analyze the influence that the presence of spectators has on the effect of Home Advantage, analyze its behavior towards the balance of games, team ability and level of opposition, and understand the differentiating statistical parameters between winning or losing teams in the absence or presence of fans. The sample consisted of 484 Euroleague regular season games played in the 2019/20 (249) and 2020/21 (235) seasons. The results confirmed the positive influence that the spectators exert on the effect of Home Advantage shown on the difference of 6.5% victories between the two seasons. The influence of team ability on the effect of Home Advantage had statistical significance when high level teams faced medium level opponents. The positive influence of the number of spectators on the Home Advantage was found on intermediate balanced games. With regard to statistical indicators, the Home Advantage can be analyzed independently in relation to the result, expressed on Offensive Rating, Defensive Rating, Defensive Rebounding Percentage, Effective Field Goal Percentage and Steal Percentage and on relation to the presence of fans, expressed on the Turnover Percentage and Steal Percentage. In conclusion, the presence of fans has an evident influence on the Home Advantage effect, however, the number of spectators only proved to be important on balanced games. Future investigations may go further in the search to understand the influence of fans in more advanced stages of the competitions, as well as in the critical and decisive moments of games.
The investigation recognizes the influence that Home Advantage has on the way teams play. The recent restrictions on the presence of spectators represented an opportunity to study their influence on games outcome. The purpose in this study was to analyze the influence that the presence of spectators has on the effect of Home Advantage, analyze its behavior towards the balance of games, team ability and level of opposition, and understand the differentiating statistical parameters between winning or losing teams in the absence or presence of fans. The sample consisted of 484 Euroleague regular season games played in the 2019/20 (249) and 2020/21 (235) seasons. The results confirmed the positive influence that the spectators exert on the effect of Home Advantage shown on the difference of 6.5% victories between the two seasons. The influence of team ability on the effect of Home Advantage had statistical significance when high level teams faced medium level opponents. The positive influence of the number of spectators on the Home Advantage was found on intermediate balanced games. With regard to statistical indicators, the Home Advantage can be analyzed independently in relation to the result, expressed on Offensive Rating, Defensive Rating, Defensive Rebounding Percentage, Effective Field Goal Percentage and Steal Percentage and on relation to the presence of fans, expressed on the Turnover Percentage and Steal Percentage. In conclusion, the presence of fans has an evident influence on the Home Advantage effect, however, the number of spectators only proved to be important on balanced games. Future investigations may go further in the search to understand the influence of fans in more advanced stages of the competitions, as well as in the critical and decisive moments of games.
Descrição
Palavras-chave
Basquetebol Vantagem casa Assistência Variáveis contextuais Performance diferencial Indicadores estatísticos Pontos marcados e sofridos Equilíbrio Nível de qualidade das equipas Nível de oposição Basketball Home advantage Audience Contextual variables Differential performance Statistical indicators Balance Level of team ability Level of opposition