Executive functions (EF) can be promoted by classroom interventions. Our study investigated whether (a) an intervention conducted by teachers improves EF in children; (b) there are effects on behaviour and academic achievement; and (c) there are stable benefits in a one-year follow-up. Fifty-eight first-graders, divided into experimental (EG = 28)…

The low quality of educational services in the "favelas" (slums) of Rio de Janeiro is well documented (e.g., Abramo, 2003; Alves, Franco & Ribeiro, 2008; Cano, 2012; Cavallieri e Coelho, 2003; Frigotto, 2004; Henriques, 2000; Henrique & Ramos, 2011; Machado, 2002 & 2008; Valladares, 2010). In 2010, the average twenty-five…

Study aim: To determine the effects of indoor cycling training combined with restricted diet, lasting 12 weeks, on serum lipid concentrations in obese women. Material and methods: Twenty women aged 23.8 [plus or minus] 3.6 years were randomly assigned into two groups: control (C) and experimental (E), the latter subjected to indoor cycling at…

What are the socioeconomic implications of the time allocation decisions made by low-income adolescents? The way adolescents allocate their time between schooling, labor and leisure has important implications for their education attainment, college aspirations, job opportunities and future earnings. This study focuses on adolescents and young…