PS There are no specific requirements for the content of the statement of purpose. A statement of purpose allows an applicant to express why he or she wishes to pursue graduate studies. The statement could discuss your experience, training, goals, interests or expectations. Fee Non-refundable $65 application fee for on-line graduate applications. RL Letters of recommendation should come from people that can attest to your ability in many different aspects, including your knowledge of fundamentals, written and oral communication skills, motivation, maturity, independence as a researcher, and willingness to learn and succeed. For example, you may choose one of your former instructors or professors. It is very important that we get a letter from your adviser, if you have an M.S. degree. If you plan to transfer from one school to another, we require at least one letter from a faculty member at the school where you studied most recently Transcript Scan official transcripts from each institution of higher education attended, both undergraduate and graduate. Upload scans of official transcripts to online application. Do not send any materials by mail to PSU. If you are offered admission to the program, you will be given information on how to submit official transcripts.