What is the Period of Purple Crying? Topics: Infant care format: Video Home Training Infant care What is the Period of Purple Crying? Learn about the period of purple crying. Presented by Dr. Ron Barr, Purple NCSBS Format: self-study via video Training hours awarded on completion: .5 hours Take the training Take the test for credit Learn about the period of purple crying. Presented by Dr. Ron Barr, Purple NCSBS Format: self-study via video Training hours awarded on completion: .5 hours Take the training Take the test for credit Infant care Get support Keep in touch! Our adoption and family support teams are here to help you. Contact us. Related trainings View all trainings Safe Sleeping Practices for Infants Baby 101: How to Massage Your Infant How to do Tummy Time with Your Baby