My supervisors blog on the first study within my PhD. This is what my work life is about
Extending compulsory education from 8 to 9 years had a postive effect on intelligence in our large study of boys exposed to a school reform in Sweden in the 1950s. Extending education benefited sons of farmers and workers most, reducing socioeconomic differences in intelligence. In contrast, the reform seems to have led to reduced emotional control, suggesting that for this outcome alternative activities (e.g. working or attending the old lower secondary school) was better.
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