Who: We are conducting a paid research study on physically and mentally healthy young adults (ages 18-40) Payment: Earn $10/ hour participating in one 2.5-hour study session held in the Muenzinger Psychology Building. What: Complete questionnaires and a challenging social task, and we will record your heart rate non-invasively. Contact: For more information please call, 720-515-9461 or email us at archlabcalendar@gmail.com.