But, wait - how do you evaluate the results of each test? How do the tests correlate to the SQ characteristics most important to you?
There are some tutorials available (both written and video) to help understand what the tests mean and therefore how they may be evaluated.
Understanding that might also answer your second question - there are things to watch out for, and are displayed on colorful pictures. I like pictures.
I also know that my preferences do not align well with many who contribute to ASR.
This is no cause to be disrespectful of the combined knowledge of the contributors, many of whom are electrical engineers, scientists and PhDs, and have contributed in some manner to design and building of audio and associated gears..
As with many things in life, it is valuable to learn the ability to pick and choose that which is useful to you.