What version of Photoshop are you using? When you say "Anti Aliasing" do you mean the Enhance Edge Control?
The Anti-Alias options are associated with the Magic Wand tool and are not live, meaning you'd have to make a selection with it off, then another with it on to compare.
I am presuming that "se" should read as "see"... Any selection can be viewed as a channel via the Quick Mask (q) option. You can then view the QM channel to evaluate the edges (perhaps turning off the view of other channels), then return to a selection again by pressing Q again on the keyboard.
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