Over the last several years, the body of scientific research with the Period of PURPLE Crying has grown significantly. The NCSBS and our partners are committed to continuing to improve and strengthen the PURPLE program through on-going evaluation. Continued research with the program is what drives many of the changes and enhancements that are made to the program content and to the model. Our overall aim is build a program that is highly effective in improving parents and caregivers understanding of normal infant crying and ultimately reduce the incidence of SBS/AHT.

The following is a list of published research with the Period of PURPLE Crying. This list continues to grow, so check back often for new published research.