Wilkening , F. & Kienbaum, J. (2009). Children's and adolescents' intuitive judgements about distributive justice: Integrating need, effort, and luck, European Journal of Developmental Psychology, 6(4), 481-498.
Abstract This study investigated the principles that children and adolescents rely on when allocating a resource fairly. In a series of three experiments, 51 Swiss children (aged 7 and 9 years) and 309 German children (aged 6, 9, and 15 years) participated. A different situational context was presented in each experiment, where luck, need and effort of two protagonists were systematically varied. Primary-school children relied mainly on need when making distributive justice judgements. Effort became more