depends if the students intends to go into grad school or research, probalby best to get a BS, if there is one. rather than go through the headache of getting required courses down the line tha tthe BA dint require. some people fall into the trap of doing a BA, because it finishes the degree faster. as a post-bacc, which people realize thier mistake will have to pay more for tuition, and wont have any priority for registration, which some universities might have professors only teaching a class you need one semester and not another.