I would be shocked if those survey results were statistically different from "the same." The spread from the top (YouTube) to the bottom (Facebook) is 0.11 on a

I would be shocked if those survey results were statistically different from "the same." The spread from the top (YouTube) to the bottom (Facebook) is 0.11 on a 1-5 scale, with a sample size of 395. If I assume a std deviation of 1 (which seems low), that's 2-sigma, total, top-to-bottom.