EUREKA: Evaluating Ultraviolet Radiation Exposure in Kids for Adaptive Intervention

Inclusion Criteria: Parents: * are at least 18 years old * have at least one child between the ages of 8-17 who is living in the same household * are the primary caregiver for the child participating in the study (defined as the individual who is responsible for daily implementation of health-related tasks for the child) * have and are able to use a smartphone * are willing to download and use a free smartphone app that will share their participating child's ultraviolet radiation exposure data with the research team. Children: * are 8 to 17 years old * with a primary caretaker in Utah * have no previous diagnosis of skin cancer * have had a sunburn in the past year * have used sunscreen and one other sun protection behavior never/rarely/sometimes in the past month (protective clothing items, shade when outdoors) * are willing to wear a sensor (on their wrist or attached to their clothing) that collects data on ultraviolet radiation (UV) exposure Exclusion Criteria: Parents and Children: * Do not speak, read/write English * Have a pacemaker