DAA vs BARB (now the ACT): which test will you sit?

If you are researching UK armed forces aptitude tests you will run into two names, and quite possibly three: the DAA, the BARB, and the ACT. They are easy to confuse, and a great deal of the advice online is out of date. This guide sorts out which test belongs to which service, and what has changed.

ForcesReady is an independent practice resource. We are not affiliated with, endorsed by, or connected to the RAF, the Royal Navy, the British Army or the Ministry of Defence. Always confirm the current process on the official recruitment websites before you apply.

The short answer

• Applying to the RAF or the Royal Navy? You sit the Defence Aptitude Assessment (DAA).
• Applying to the British Army? You sit the Army Cognitive Test (ACT).
• The BARB was the Army's previous test. It has been replaced by the ACT.

You do not choose between them. The service you apply to decides which one you sit, so the first useful thing is simply knowing which applies to you.

What happened to the BARB?

The British Army Recruit Battery ran for many years and is still what most people call the Army's aptitude test. It has been superseded by the Army Cognitive Test, which has five sections: Error Detection, Orientation, Number Fluency, Word Rules and Deductive Reasoning.

Some sites say the ACT is just the BARB with new section names. The Army's own free ACT practice questions show otherwise: the question formats changed. Older BARB material still exercises similar abilities, but it will not show you what real ACT questions look like, so start with the official practice. A site that still presents the BARB as the Army's current test has not been updated in a while — worth knowing before you trust the rest of what it tells you. Our guide to the Army Cognitive Test covers the current version in more detail.

What the DAA is

The DAA is a longer, broader computer-based assessment made up of six timed, multiple-choice sections: Verbal Reasoning, Numerical Reasoning, Work Rate, Spatial Reasoning, Mechanical Comprehension and Electrical Comprehension. Each section is timed on its own. No calculator is allowed, though the Royal Navy says paper and pencil are. The Royal Navy publishes free DAA familiarisation questions showing the real formats.

What sets the DAA apart is its technical sections — mechanical and electrical comprehension test your grasp of everyday physics and simple circuits, and help the RAF and Royal Navy match applicants to technical trades. Your results are not a straight pass or fail; your section scores show where your strengths lie and which roles you qualify for. For a full breakdown, read the DAA explained.

What the ACT is

The ACT is shorter and faster, built around quick reasoning rather than subject knowledge. It measures how rapidly and accurately you process very simple information, across five short sections. There is no mechanical or electrical content at all.

The defining feature is pace. The Army's official practice says both speed and accuracy are important. Its output is a score used to indicate which Army roles you may be suited to.

The main differences

• Who uses it — DAA: RAF and Royal Navy. ACT: British Army.
• Length and breadth — the DAA is longer and broader with six sections; the ACT is shorter and built around rapid reasoning.
• Technical content — the DAA includes mechanical and electrical comprehension. The ACT includes none.
• What makes it hard — the DAA tests a spread of abilities including technical reasoning; the ACT is overwhelmingly about speed.
• Purpose — both help match applicants to suitable roles rather than simply passing or failing you.

Does that mean you should practise differently?

Yes, quite differently. For the DAA it is worth working on the underlying skills, especially if mechanical or electrical comprehension is unfamiliar territory — there is genuine content to learn there.

For the ACT there is nothing to learn, so practice is about pace. Doing ACT-style questions at your own speed will tell you very little, because you will get nearly all of them right and conclude you are ready. Do the official practice first to learn the real formats, then practise against a clock.

Where ForcesReady fits in

We cover both. If you are heading for the RAF or the Royal Navy, work through the six DAA practice sections. If you are joining the Army, our Army Cognitive Test practice covers all five ACT sections — timed by default, with answers that move you straight on. Our questions are original and several of our ACT sections use older BARB-style formats, so use them for extra drilling alongside the official practice, not instead of it.