The Appraisal Institute Practical Applications of Real Estate Appraisal (AI PAREA) is an alternative to the traditional supervisor and trainee requirement for experience for the Licensed Residential Real Property Appraiser (LR) and Certified Residential Real Property Appraiser (CR) credentials. It’s an online program providing simulations that show participants how to apply appraisal theory and methodology to real-world examples, with mentoring and guidance from appraisers who hold the most recognized designations in the profession and have a combined 150 years of experience.