I have been studying for about a month and read the recommended books, I also took a one week intense boot camp. All in all I figure I am in good shape. I perform all the test exams in each of the books and on the course and do quite well, 75%-85% consistantly. 

I then started taking some of the online exams and my scores were quite different. Much lower in fact. The part I seem to be struggling with are the situational questions where logic tells me one thing and the PMI says another. Case in point:

PMP Question: