Operadora Ferroviaria Sociedad del Estado Operadora Ferroviaria Sociedad del Estado Operadora Ferroviaria Sociedad del Estado (abbreviated SOFSE; trading name: Trenes Argentinos Operaciones) is an Argentine State-owned company created in 2008 to operate passenger services in Argentina. It is a subsidiary of the Ferrocarriles Argentinos holding company. Since March 2015 SOFSE has run the Buenos Aires commuter rail services Mitre, San Martín, Roca and Belgrano Sur lines previously operated by private companies. After the Railway privatisation in Argentina at the beginning of the 1990s the railway assets that had not given in concession were taken over by Ferrocarriles Argentinos before being dissolved. From 1996 to 2000
What Is Intelligence? What Is Intelligence? What Is Intelligence?: Beyond the Flynn Effect is a book by psychologist James R. Flynn which outlines his model for an explanation of the eponymous Flynn effect. The book summarizes much of the work of Flynn in this area, as well as that of his colleague William Dickens of the Brookings Institution. The book begins with a description of what has generally become known as "the Flynn effect": the steady rise from one generation to the next in average scores on IQ tests over time. Flynn notes that this effect apparently contradicts some fundamental beliefs about IQ