@rosebud123 That's true, I was just wondering if Columbia was rigorous enough since it's still a top 10 program. Thanks for the advice!
And I actually did ask them, and Columbia tends to accept at least 1 or 2 of their master's students, although you still have to apply externally. With UNC, the process is internal and coordinated with your masters' advisor and the department heads, though I don't know what the success rate is.
@bayessays I will be doing the theory and methods track, thanks!
@kacho I heard back on March 8th, so pretty recently. Thanks, and good luck to you too!