Hanging out with the in crowd on MySpace.com.

For decades before and after World War II, children all over the United States hung out, had slumber parties, made crank phone calls, and played sports unsupervised. They didn't need the help of adults to set up play dates or hand out certificates of participation. As we know all too well by now, we no longer live in that world. What's less apparent is that, despite the appearance of greater parental involvement and psychological sophistication, most adults are just as clueless about the "second family" of their children's peer group and adolescent pop culture as they ever were.

What to do when your teen clients give you the silent treatment.

An understanding of the inborn dimensions of human temperament reveals that the concept of "normal" is far richer and more expansive than previously imagined.

Therapists helping children confront OCD face a formidable obstacle: helping their young clients get beyond their immediate terror in the hope of reaping long-term benefits.

When a small child has been traumatized and frozen in fear, the releasing and disarming power of play can be the key to healing.

In the fall of Evan's second year of preschool, Mr. Warren's view of my son's future took a turn. He began describing him as "disruptive," "aggressive" and, on one occasion, "violent." He hinted that his school might not be the right place for Evan and suggested that we get a "behavioral analysis" at the university psychology clinic. I was furious, and grateful, that he didn't seem to remember that I analyze behavior for a living.