That is, each additional person adds much more than just their own weight to the potency of the prayer. In The Individual and the Nature of Mass Events , Jane Roberts tells us that mass consciousness is so powerful it can affect the weather and create changes in the Earth. Early experimental data seem to indicate that prayer has a positive effect. Thus the idea of group prayer is to produce some overall positive effect for humankind. This effect may range from physical healing for an individual to world peace.
Groups generally pray for the greatest good for all concerned.
Motivation or intent is always an important factor in the power of prayer by both individuals and groups. Most of us are motivated by a loving concern for those we are praying for. We want a physical, psychological, or spiritual healing for them. This interest in helping others is an excellent basis for forming a prayer group. In fact, it is the only reason to form a prayer group.