Anders Winroth, in his book The Conversion of Scandinavia, tries to make sense of this problem by arguing that there was a "long process of assimilation, in which the Scandinavians adopted, one by one and over time, individual Christian practices."
Anders Winroth, di dalam bukunya The Conversion of Scandinavia, mencoba memahami masalah ini dengan alasan bahwa ada "proses asimilasi yang panjang, di mana orang Skandinavia mengadopsi, satu per satu dan dari waktu ke waktu, praktik umat Kristen."