PAR is proud to announce the release of the newly revised Parenting Stress Index . Designed to evaluate the magnitude of stress in the parent-child system, the fourth edition of the popular PSI is a 120-item inventory that focuses on three major domains of stressor source: child characteristics, parent characteristics, and situational/demographic life stress. The PSI-4 is commonly used as a screening and triage measure for evaluating the parenting system and identifying issues that may lead to problems in the child’s or parent’s behavior. This information may be used for designing a treatment plan, for setting priorities for intervention, and/or for follow-up evaluation. What’s new in the PSI-4 Revised to improve the psychometric limitations of individual items and to update item wording to more clearly tap into the target construct or behavioral pattern or to be more understandable. The original structure has been retained. Validation studies conducted within a variety of foreign populations, including Chinese, Portuguese, French Canadian, Finnish, and Dutch, suggest that the PSI is a robust measure that maintains its validity with diverse non-English speaking cultures. Expanded norms are organized by each year of child age. Percentiles— the primary interpretive framework for the PSI-4—and T scores are provided. For more information about the PSI-4, visit our Web site .