Final answer:
To qualify for continuing competency hours as a clinical instructor, a PT must be credentialed by the APTA and oversee a student full-time for at least 4 weeks.
Step-by-step explanation:
In order to qualify for continuing competency hours as a clinical instructor, a PT must oversee a student full-time for at least 4 weeks and be credentialed by the APTA, or a similar organization. Therefore, option 1) 'Be credentialed by the APTA and oversee a student full-time for at least 4 weeks' is the correct choice.