The Finnish research used pupils who were studying three different languages (French, Swedish and English) and found that "the choice of (Second) language did not seem to have a major impact on performance" in a number of subjects including maths and geography.
A investigación finesa estudou alumnos que aprendían en tres linguas (francés, sueco e inglés) e concluíu que "a opción dunha (segunda) lingua non parece impactar significativamente o rendemento" nun número de materias incluíndo matemáticas e xeografía.