This article discusses the contacts between Swedish and Polish educational theory and points to the influence of the Swedish educationalist Ellen Key on the thinking of the Polish pediatrician and educationalist Janus Korczak. Different approaches to Korczak's works are identified in international research. (SLD)

Analyzes a broad range of data examining the relationship among basic skill development, behavior problems, and later negative social development. Results strongly corroborate assumptions that low levels of basic skills at an early age are not per se a precursor of later maladjustment. Includes statistical data and tables. (MJP)