Makes sense to me! From the Telegraph:
Many professed Christians questioned in a survey showed a lack of knowledge even of their own faiths.
Forty-five per cent of Roman Catholics who participated in the study didn’t know that, according to church teaching, the bread and wine used in Holy Communion is not just a symbol, but becomes the body and blood of Christ.
More than half of Protestants could not identify Martin Luther as the person who inspired the Protestant Reformation.
The survey conducted for the Pew Forum on Religion & Public Life aimed to test a broad range of religious knowledge, including understanding of the Bible, core teachings of different faiths and major figures in religious history.
Respondents to the survey were asked 32 questions with a range of difficulty, including whether they could name the Islamic holy book and the first book of the Bible, or say what century the Mormon religion was founded.