Researcher Aini-Kristiina Jäppinen examined the achievement of 334 pupils in 12 schools on 'content and language-integrated learning' programmes and compared them with 334 pupils studying only in Finnish.
A investigadora Aini-Kristiina Jäppinen examinou os resultados académicos de 334 alumnos en doce escolas e comparounos cos resultados de 334 alumnos que só estudaban en finés.