vertical mobility

Hey Everyone I’m at a bit of a crossroads. A little background I’m 28 right now and have decided to go back to school after working as a medical technologist for the last 3.5 years. However I’m a bit conflicted whether or not I should pursue the MD route or PA route. Based on my age I won’t...

Are these two interchangeable? Or would one be a more valid answer than the other in a particular context? The way I see it, they are both simply saying that there is socioeconomic mobility within a person's lifetime... Maybe intragenerational mobility requires some context regarding the...