Graph from "Why Nobody Learns Much of Anything at the Church: And How to Fix It"

Graph created by Paul Warby based on statistics from the study "Why Nobody Learns Much of Anything at the Church: And How to Fix It" Thom and Joani Schultz.

Full reference:

Schultz J and Schultz T. Why Nobody Learns Much of Anything at the Church: And How to Fix It. Loveland, Colorado: Group, 1994.

Graph from "Why Nobody Learns Much of Anything at the Church: And How to Fix It"