1 Before you use it
What it is
A method, not a questionnaire. You and the patient define goals, then specify five levels of outcome for each — much less than expected (−2), less than expected (−1), expected (0), more than expected (+1), much more than expected (+2) — before treatment starts.
When to reach for it
Complex or multi-problem presentations where no standard measure fits, and where negotiating what "success" looks like is itself part of the treatment.
Pairs naturally with PSFS — PSFS names the activities, GAS defines what achieving them looks like.
Patterns it serves · 134
2 Giving it
Scoring
Each goal scored −2 to +2 at review. Weighted composites can be calculated. The levels must be written before treatment, or it isn't GAS.
What it doesn’t measure
Compare between patients, and it takes real time to set up properly.
3 Reading the score
Interpreting it
0 means the expected outcome was achieved, which is the point of the method — it calibrates against a prediction rather than a population norm.
No verified psychometric figures are carried in our library and none are printed here.
Is the change real?
Student trap. Writing the outcome levels after treatment. Then it's a rating, not goal attainment scaling.
Official source: null. We don't host the form.
This is a learning tool. It does not diagnose patients and does not replace your clinical educator.
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