Worlds of Wonder, Days of Judgment

Today's installment of the 123 meme is brought to you by Worlds of Wonder, Days of Judgment: Popular Religious Belief in Early New England by David Hall (1989). I was disappointed to find that this book does not have an acknowledgements section - for once, I was interested.
Page 123:

Hence the questions Roger Clap remembered people asking of each other in the 1630s: "How shall we go to Heaven? Have I a true grace wrought in my heart? Have I Christ or no?" Hundreds gave their answers to these questions as part of the process of becoming a church member. Early on, the procedure was established in most congregations that those who wished to become members must "make ther faith & holynes visible" by something more emphatic than taking part in the rite of baptism.