The ADI Stage 3 instruction ability test

Plan, deliver, evaluate

The assessment breaks into three things that are marked together but prepared separately:

1. Planning — arriving with a lesson built from evidence about this learner.
2. Delivery — teaching it safely and adapting when it meets reality.
3. Evaluation — judging honestly what happened and what should follow.

Candidates tend to rehearse delivery and neglect the other two, which is backwards: a lesson planned from the wrong starting point cannot be rescued by good delivery, and an evaluation that concludes “that went well” demonstrates nothing.

Planning from evidence, not from a template

The principle underneath this whole stage is that planning starts with assessment evidence about the individual learner, not with the lesson you use most often or a fixed sequence that cannot be changed. Two learners with different identified needs should get different plans; developing each plan from the individual learner’s identified needs is the expected standard, and applying one unchanged plan to everyone is the classic error.

In practice that means the first few minutes are load-bearing. What can this learner already do? What did the last lesson establish? What does the evidence — not the assumption — say the objective for today should be?

Delivering it safely

Safety is not a separate marking box you can trade against teaching quality — risk management is part of the instruction itself. Choosing a route and an exercise the learner can attempt safely, intervening at the right moment and no earlier, and keeping enough attention outside the car while you teach inside it are all part of what is being assessed.

Delivery also means using the range of teaching methods appropriately: demonstration where showing is faster than telling, guided discovery where the learner can reason it out, direct instruction where safety does not allow exploration, and questioning that checks understanding rather than prompting the answer you want. Active listening matters more than most candidates expect: a learner who has just said something revealing about their confidence has handed you the next five minutes of the lesson.

Analysing faults properly

This is the most reliably distinguishing skill in Stage 3. Fault discussion should identify observable behaviour, its context and its safety consequence — rather than relying on vague labels.

Compare the two forms:

• “Your observation was poor at that junction.” — a label. The learner cannot act on it.
• “Approaching that junction you looked right but not left before moving, and a cyclist was coming from the left along the kerb. If they had been closer you would have had no time to stop.” — behaviour, context, consequence. The learner now knows precisely what to change.

The second form also makes the fault gradable: you can say whether it was a one-off or a pattern, and whether it was potentially dangerous or merely untidy.

Evaluating the lesson

Evaluation closes the loop: was the objective met, on what evidence, and what does that make the next objective? An honest evaluation that identifies a failure and the reason for it is stronger than an optimistic one that identifies nothing.

Managing the learner in front of you

Adult learners bring anxiety, prior experience and their own goals. Managing anxiety is not softness — an anxious learner takes in less, so the instruction is less effective as well as less pleasant. Adjusting the difficulty, naming what is about to happen before it happens, and giving feedback that separates the error from the person are all part of teaching competently.

Preparing for Stage 3

• Practise fault descriptions in writing. Take a fault you have seen and write it as behaviour, context and consequence. Do it until the form is automatic.
• Plan for a real person. Build lessons for learners you have actually observed, with the evidence written down.
• Rehearse adapting, not reciting. Have someone hand you a mid-lesson surprise and practise changing the plan out loud.
• Write the evaluation every time. Objective, evidence, outcome, next objective. Four lines.

The guides that sit next to this one are The Stage 2 driving test, How to become a driving instructor in Ireland and The trainee licence.

Frequently asked questions

What does ADI Stage 3 test?

It assesses your ability to plan, deliver and evaluate safe, learner-centred driving instruction — not your own driving, which is assessed at Stage 2.

Why do good drivers fail ADI Stage 3?

Because it assesses teaching rather than driving. The most common failures are planning from a standard lesson instead of from evidence about the individual learner, and describing faults with vague labels instead of observable behaviour, context and safety consequence.

How should I describe a fault in Stage 3?

In three parts: what the learner actually did that you could observe, the context it happened in, and the safety consequence it could have had. Labels such as “poor observation” give the learner nothing to act on.

Independent guide: TritonApps is not affiliated with, endorsed by, or approved by the Road Safety Authority or Prometric. This page summarises published RSA guidance for convenience and is not official advice. Always confirm current requirements, fees and dates with the RSA before you book.