One of my best friends became a US citizen last winter and administered the practice test to me (out loud) the night before as a way to study, haha. She's in law school so she really didn't need to study much just needed a reminder on a couple of questions (like....how many representatives are there again?). If I recall, I did really well, only got stuck on a couple. She said the test was really easy and much shorter than the practice version so I dunno how much really changed since 2008. Her "English test" consisted of writing the sentence: Columbus Day is in October.
The ceremony, btw, was dreadful. Or at least, the hours and hours her husband and I spent bored and hungry in the courthouse was! We thought we'd be out in a couple hours and could get breakfast after, at a reasonable hour but it took ages for them to process all of the new citizens. The ceremony itself was rather short and bureaucratic.