Sybil MacBeth is the author of Praying in Color: Drawing a New Path to God, published in 2007. She conducts workshops in drawing and painting as prayer.

Liz Lerman is a choreographer, founder of the  Liz Lerman Dance Exchange and MacArthur Fellowship recipient. Among her most recent works is 613 Radical Acts of Prayer, which takes its name from the Talmudic laws and explores the nature of prayer. The dance company is based in Takoma Park, Md.

Beliefnet and U.S. News & World Report posted an online survey about the frequency, purpose and results of prayer.  Read the accompanying article, posted Dec. 12, 2004, at U.S. News & World Report.

Beliefnet and U.S. News & World Report posted an online survey about the frequency, purpose and results of prayer. See the results.

Read a history of fixed-hour prayer by Phyllis Tickle as posted on the Web site explorefaith.org.

Read an excerpt of Praying With Our Hands: 21 Practices of Embodied Prayer from the World’s Spiritual Traditions by Jon Sweeney as posted on Beliefnet.com.

The Calvin Institute of Christian Worship is an organization based in Grand Rapids, Mich., dedicated to promoting Christian scholarship. Its online resources include information about the practice of fixed-hour prayer and about disability within faith communities.

Melvin Konner is a professor of anthropology, human biology and Jewish studies at Emory University, and author of Unsettled: An Anthropology of the Jews, about the history of Jewish culture.

Ira Sheskin is a specialist in Jewish demographics at the University of Miami, where he is a fellow at the Sue and Leonard Miller Center for Contemporary Judaic Studies. Sheskin was a consultant on the NJPS study.