Scaling and the SEDSS debrief

Why scaling works

Ask a learner "how did that go?" and you will usually get "yeah, fine". Ask them "out of ten, how would you rate that?" and you get a number you can both work with. Scaling — a simple 0 to 10 scale — is the cheapest coaching tool there is, and it does three jobs at once:

• It makes something vague measurable, which is what the M in a SMART goal actually needs.
• It gives a quiet or nervous learner a low-risk way to answer. Saying "about a six" costs far less than composing a sentence about your own driving.
• It shows progress. A five that becomes a seven over three lessons is evidence the learner can feel, and it is far more motivating than being told they are improving.

Use it on anything: a manoeuvre, a whole drive, confidence about a subject you have not started yet, or how safe they felt. You can also use it forwards — "where would you like to be by the end of today?"

The SEDSS conversation

The number is only the opening. SEDSS is the five-step conversation that follows it, and it is one of the ways the see it, say it, coach it habit gets run in practice.

Scale — "What was good, and how would you rate that?"

Start with what went well, then get the rating. Leading with the positive is deliberate: a learner who is braced for criticism does not reflect honestly.

Evidence — "How did you get to that rating?"

This is the step that does the work, and the step most often skipped. The number is meaningless; the reasons behind it are the reflection. Expect to wait here. Silence after this question is thinking, not failure, so let it run rather than filling it.

If the rating is far off what you observed, do not correct it — ask for more evidence. A learner who rates a shaky drive at eight will usually talk their own way down once they have to justify it, and that is a far stronger lesson than being contradicted.

Development — "How could you improve that rating?"

Not "how do you get to ten" — just one point. Asking for a single point of improvement keeps the goal small, achievable and immediately practisable, which is exactly what a lesson goal should be.

Support — "How can I help you get to that improved rating?"

The learner chooses the level of help: tell them, remind them, or let them try it alone. Agreeing this out loud is how responsibility transfers gradually instead of being dropped on them. It is the same handover as the H in FISH.

Success — "How will we know we've achieved that rating?"

Agree what the improvement will look like before they try again, so you are both watching for the same thing. Without this step you end the attempt with two different opinions about whether it worked.

A worked example

Instructor: That last set of left turns — what went well? Learner: I spotted them a lot earlier that time. Instructor: Good. Out of ten, how would you rate the turns overall? Learner: Maybe a six. Instructor: How did you get to six? Learner: The spotting and the mirrors were fine, but I was still braking in the turn on a couple of them. Instructor: What would take that six to a seven? Learner: Getting the braking done before I start to steer. Instructor: How can I help with that? Learner: Just tell me when to start slowing for the first couple, then let me do the rest. Instructor: And how will we know it's worked? Learner: If I'm off the brake before the front wheels reach the corner.

That is a complete lesson goal, a support level and a success measure, agreed by the learner, in under a minute — and it links straight back to the skill sets in worked skill-set lesson plans.

Where scaling fits the bigger picture

Scaling belongs to the self-evaluation column of the GDE Matrix — the habit of a driver judging their own performance rather than waiting to be judged. It is also a natural fit with the Reality stage of GROW, and with the confidence check that closes a FISH reflection.