Military Aptitude Testing Before the ASVAB
Military aptitude testing in the United States dates back to World War I, when the Army developed the Army Alpha and Army Beta tests to sort recruits by ability. Alpha was a written test for literate recruits; Beta used pictures for those who could not read English. Over 1.7 million soldiers were tested.
In World War II, the military introduced the Army General Classification Test (AGCT) and later the Armed Forces Qualification Test (AFQT) in 1950. Each branch also maintained its own separate battery of tests for job placement, creating a fragmented system.
Birth of the ASVAB (1968)
The Department of Defense introduced the ASVAB in 1968 to replace the patchwork of branch-specific tests with a single, standardized battery. The original ASVAB had 12 subtests and was administered only at MEPS locations.
In 1976, the DoD mandated that all branches use the ASVAB for both enlistment screening and job classification. This eliminated redundant testing and ensured consistent standards across the military.
The ASVAB replaced a patchwork of branch-specific tests with one standardized battery in 1968.
The Student Testing Program
Starting in 1968, the ASVAB was also offered to high school and post-secondary students through the ASVAB Career Exploration Program. This dual-purpose program gives students a career exploration tool while providing the military services with a pool of qualified candidates.
Today, over 600,000 students take the ASVAB through their schools each year. Student scores can be used for military enlistment within two years, though many students take it purely for the career guidance component.
The CAT-ASVAB Era (1996-Present)
The computer adaptive version of the ASVAB (CAT-ASVAB) was introduced at MEPS locations starting in 1996. Using Item Response Theory (IRT), the CAT-ASVAB selects questions based on the test-taker's estimated ability level, providing more precise measurement with fewer questions.
The CAT-ASVAB reduced testing time from about 3 hours to roughly 1.5 hours while improving measurement accuracy. It is now the standard format at all MEPS locations, while the paper-and-pencil version remains available for school and MET site administrations.
The most recent renorming of the ASVAB occurred in 2004, using a nationally representative sample of 18-to-23-year-olds (the Profile of American Youth study). All AFQT percentile scores are referenced to this population.
Frequently Asked Questions
When was the ASVAB created?
The ASVAB was introduced by the Department of Defense in 1968. It became mandatory for all branches in 1976.
What did the military use before the ASVAB?
Before the ASVAB, each branch used its own tests. The Army used the Army Classification Battery, the Navy used the Basic Test Battery, and the Air Force used the Airman Qualifying Examination. The ASVAB replaced all of these with a single standardized test.
When did the computerized ASVAB start?
The CAT-ASVAB (Computer Adaptive Test) was introduced at MEPS locations starting in 1996. It adapts question difficulty based on your answers and typically takes about half the time of the paper version.
Has the ASVAB changed over time?
Yes. The original ASVAB had 12 subtests; the current version has 9. The scoring system has been renormed several times, most recently in 2004. The biggest change was the move from paper-and-pencil to the computerized adaptive format in 1996.