The Öckerö method was developed in the early 2000s and is intended to reduce drinking among young people by strengthening the resistance of parents.
But according to a study at Malmö University, the method has no effect.
Click on the clip above to see Ulrika Granfors, head of the culture and leisure administration, tell why Kungsbacka municipality chooses to use the method despite the study results.
Kungsbacka-Posten was the first to report on the news.
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Hear Håkan Fransson about the scientific study.
Photo: SVT