Fig. 11From: The effect of different combinations of physical activity and natural environment videos on children's attention levels between class breaksChange trend of attention pre- and post-tests in each group. * indicates that the effects of different physical activities on the dependent variable before and after intervention in the multivariate ANOVA model are significant, where *: p < 0.05; **: p < 0.01; ***: p < 0.001Back to article page