Published as part of Uncover the Word, "this April 2011 research contains findings from a nationwide study commissioned by American Bible Society and conducted by Barna Research. The study documents responses taken from U.S. adults 18 years of age and older, and categorizes them to highlight essentially four different groups and their feelings with regard to the authority and relevance of the Bible: 1) Engaged, 2) Friendly – Moderate, 3) Friendly – Light, and 4) Antagonistic."
"Lack of time" was noted as a primary deterrent for every single group. Sometimes this response can be more symptomatic than causal; humans find time for things that are high priorities. Still, people can believe in the Bible and want to read more, but don't have the personal bandwidth.
The survey hones in on the perceptions, misperceptions, Biblical confidence and format preference of each group. There is a helpful conclusion section, with recommendations for encouraging Scripture Engagement among people in each of the four categories.