I think taking the time you need to understand the stimulus is key. I've found that when I use my imagination and really try to visualize a stimulus, I understand the stimulus a lot better and it allows me to see the structure of the argument easier…
I wouldn't worry about a 6th try coming off as desperate. I'd say it shows you're determined. Also wouldn't worry about waiting, but only if you think you can get a better score. If you haven't already, you should look into how some of the high scor…