Yes, it's very good. Keep in mind that Peterson's tests are written by people who believe it is their duty to prepare you for a post-doctorate level test. In doing so, they figure you should smoke a CLEP/Dantes exam (yes, just a touch of sarcasm ). Most people feel pretty good about taking an exam in they're scoring in the 50-60% range.

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Associates Degree, Aviation Maintenance Technology, Community College of the Air Force
Bachelors of Science, Liberal Studies Degree, Excelsior
MBA Human Resource Management, California Coast University