The ASVAB was first introduced in 1968 and was adopted by all branches of the military in 1976. It underwent a major revision in 2002. In 2004, the test's percentile rank scoring system was renormalized, to ensure that a score of 50% really did represent doing better than exactly 50% of the test takers.

Do the ASVAB questions change?

The CAT-ASVAB test is adaptive — as the test progresses, questions are chosen based on the tester's ability. During this style of testing, you can't go back and change answers. Most ASVAB testers will take the exam on a computer.

How many versions of the ASVAB are there?

Three Versions of the ASVAB. The Armed Services Vocational Aptitude Battery serves many purposes and comes in three forms; each is targeted to different needs. In addition, each ASVAB has different benefits and limitations.