it was possible for US citizens to apply to a clinical psychology PhD program at the University of Oxford. However, admission to any competitive graduate program is highly competitive, and the specific requirements and eligibility criteria may change over time. I recommend checking the official website of the University of Oxford's Clinical Psychology program for the most up-to-date information on admissions and eligibility.
Regarding the transferability of credentials for clinical practice in the US, it is important to understand that different countries have different licensing and certification requirements for clinical psychologists. While completing a clinical psychology PhD program at the University of Oxford may provide you with an excellent education, you may need to fulfill additional requirements or obtain additional certifications or licenses to practice as a clinical psychologist in the United States.
Typically, the process of obtaining a license to practice as a clinical psychologist in the US involves completing a PhD or PsyD in clinical psychology from an accredited institution, completing a certain number of supervised clinical hours, and passing a licensing examination. Requirements can vary by state, so it's essential to research the specific licensing requirements in the state where you intend to practice.
If you are considering studying abroad and then returning to the US for clinical practice, it's a good idea to consult with both the University of Oxford and relevant licensing boards in the US to understand the process and any potential additional requirements you might need to meet.
Keep in mind that circumstances and regulations may change over time, so it's always best to verify the most current information directly from the official sources.