Dr. Bland is the graduate director for the campus students and their applicants were told that they could take Diagnostics and Assessment this summer with the online preSLP group. She said that Dr. Shackelford allows admitted graduate students to take any needed classes this summer. Maybe you can email one of them to confirm. All I've heard about WKU is that they are really good at responding to emails. You may not like the answer, but somebody will respond.