Which are the main reasons for doing a PhD?
A PhD degree provides advanced critical thinking, not only in the field of Science that the PhD was achieved, but also generally. Additionally, PhD programs give the opportunity to students to perform dedicated research to topics which are of specific interest to them.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Which are the main reasons for doing a PhD?
### Input: 
### Response: A PhD degree provides advanced critical thinking, not only in the field of Science that the PhD was achieved, but also generally. Additionally, PhD programs give the opportunity to students to perform dedicated research to topics which are of specific interest to them.