Mollie Painton is a licensed psychologist and play therapist from Fort Collins, Colo., and founder of the SpiritPlay Institute. She is the author of the 2007 book Encouraging Your Child’s Spiritual Intelligence and says that spiritual children – compassionate and wise – can be healers and teachers for the world.

The Simon Wiesenthal Center in Los Angeles is an international Jewish human rights organization dedicated to preserving the memory of the Holocaust by fostering tolerance and understanding. The center also focuses on contemporary issues, including racism, antisemitism, terrorism and genocide.

Craig Haney, an author of the 1971 Stanford Prison Experiment, is professor of social psychology at the University of California at Santa Cruz. Haney went on to earn a law degree from Stanford and a doctorate in psychology. He has been a leading legal consultant on prison reform litigation. He teaches psychology and law and the […]

Winston E. Gooden is the dean of the School of Psychology at the Fuller Theological Seminary in Pasadena, Calif., as well as a professor in the school.

Christina Groark is an expert in early-childhood development who teaches psychology in education department at the University of Pittsburgh.

Read “Fasting has spiritual, physical benefits but also points to good works,” a March 2, 2011 Catholic News Service story.

A Jan. 25, 2011, column at Scientific American reports on a new study that finds we tend to overestimate the healing power of an apology.

A Feb. 3, 2011, post at the website of New Scientist magazine rounds up research indicating that suffering physical pain — the old-fashioned way of expiating guilt — is in fact effective at easing feelings of guilt.

Read a Feb. 22, 2011, column about guilt at the website ScienceAnd ReligionToday.com.