Healthy young adults (ages 18-40) who are highly anxious in social situations can earn $10/hour participating in one 2.5-hour study session held in the Muenzinger Psychology Building at CU-Boulder. Participants will be asked to complete questionnaires, perform a challenging social task, and record heart rate non-invasively. For more information please call, 720-515-9461 or email us at archlabcalendar@gmail.com.