Teaching clinical reasoning: the One-Minute Preceptor and SNAPPS

Why a model helps

In a busy clinic, teaching has to fit between patients. Without a structure, a case discussion tends to become the preceptor telling the student the answer. Both models below turn the student’s presentation into reasoning practice instead, and both take only a couple of minutes per case.

The One-Minute Preceptor

Published in 1992 by Neher, Gordon, Meyer and Stevens as a five-step “microskills” model, it is led by the preceptor:

1. 1Get a commitment“What do you think is going on?” The student names a diagnosis and plan before you share yours.
2. 2Probe for supporting evidence“What made you think of that?” You see their reasoning, not just their answer.
3. 3Teach a general ruleOne take-home point that applies beyond this patient, aimed at the gap you just heard.
4. 4Reinforce what was rightName a specific thing they did well, so they keep doing it.
5. 5Correct mistakesOne thing to do differently, said plainly and kindly, with the better approach.

How it sounds in practice

A student presents a patient with a cough. You ask what they think it is; they say a viral upper respiratory infection. You ask what supports that, and they mention the short duration and the absence of fever. You teach a general rule about the history features that point to something more, praise how clearly they took the medication history, and suggest they listen to the lungs before presenting next time. The whole exchange takes about two minutes.

SNAPPS: the student leads

Published in 2003 by Wolpaw, Wolpaw and Papp as a learner-centered model for outpatient education, SNAPPS has the student drive the discussion:

1. 1SummarizeThe student gives a brief summary of the history and findings.
2. 2NarrowThey narrow the differential to two or three likely possibilities.
3. 3AnalyzeThey compare those possibilities, saying what supports or argues against each.
4. 4ProbeThey ask you about what they are unsure of: a finding, a decision, an alternative.
5. 5PlanThey propose a management plan for the patient.
6. 6SelectThey pick an issue from the case to read about before the next session.

When to use which

The One-Minute Preceptor suits early rotations and students who are still learning to commit to an answer. SNAPPS suits students who present confidently and are ready to steer their own learning, often in the second half of a rotation or in their final courses. Many preceptors move from one to the other as the student grows.

Thinking out loud

Alongside either model, one habit teaches more than any lecture: say your reasoning out loud. When you see a patient together, narrate the decision points: why you asked one more question, why you chose to wait on a test, how you weighed two options. Students learn how an experienced clinician thinks, not just what they decide.

Making it a habit

Pick one model and use it for every presentation for a week. Most preceptors find it becomes automatic within a few days, and students quickly start presenting in the shape the model expects. The result is teaching that fits the clinic day, and students who arrive at each case ready to think.

SNAPPS in a follow-up visit

A student sees a patient back for blood pressure follow-up. They summarize: readings remain above goal on one medication, with no side effects. They narrow the possibilities: adherence, home technique, or a dose that needs adjusting. They analyze: the home log is consistent and the patient takes the medication daily. They probe: “Would you add a second agent or raise the dose?” They plan an adjustment and a recheck, and select a topic to read about tonight: combination therapy. In a few minutes, the student has led the reasoning and you have taught exactly what they needed.

Building illness scripts

Experienced clinicians recognize conditions by pattern: who gets them, how they present and what distinguishes them from look-alikes. Students build these patterns one patient at a time. Asking “what would make you think of something else?” after each case helps a student compare the illness in front of them with its look-alikes, which is the heart of clinical reasoning.

Questions that build reasoning

A handful of questions, used often, teach clinical reasoning better than any lecture:

• “What do you think is going on?”
• “What else could it be, and what would make you think so?”
• “What finding would change your mind?”
• “What would you do next, and why?”
• “What do you want to read about after this patient?”

Questions