North America New Research Explores the Long-Term Effect of Spiritual Activity among Children and Teens 来自 Stephen|已发表 2012-07-18 A recent study conducted by the Barna Group provides new insights into this age-old question. The survey asked adults to think back on their upbringing and to describe the frequency of their involvement in Sunday school or religious training via The Barna Group – New Research Explores the Long-Term Effect of Spiritual Activity among Children and Teens.