What is your beef? The study's N and the raw evaluation numbers are even stated in the layman's article, you can even calculate statistical significance yoursel

What is your beef? The study's N and the raw evaluation numbers are even stated in the layman's article, you can even calculate statistical significance yourself if you don't trust the author's statements. And they stated that UM is significantly different from the other three, but that LM, UF and LF are not significantly different from each other. What more do you want?