Pia is an app where you can test, evaluate and improve your Problem-Solving skills. By registering you will have access to over 200 questions divided into 7 categories. In Workbook mode a Smart Tutoring System will select a question based on your previous performance and provide you with immediate feedback. In the Evaluation mode you will have to answer 21 questions, and after providing all the answers you will receive a comprehensive and personalized feedback. You will be able to monitor your game statistics and in the Strategies section you will be able to deepen the theoretical assumptions of Problem-Solving and receive advice on how to solve the various types of questions.