Psychology is one of the most popular undergraduate majors. For professionals with degrees in psychology or another field, a psychology certificate can lead to career advancement. A specialized psychology certificate prepares students for state licensure in a variety of disciplines, aids in career changes or advancement and allows the student to grow personally and professionally. With a specialized certificate, professionals can open the doors to more career opportunities and can offer patients more specialized care. Most certificate programs also help prepare students for more advanced studies; students can apply credit hours to a master’s or doctorate.