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Classify by what it teaches, not by what it costs

A functional framework proposed in a narrative review of the clinical simulation literature. It is the basis for the whole navigation of this catalogue.

Fidelity describes the equipment.It does not describe what the learner learns with it.

The problem with classifying by fidelity

The usual classification —high, medium and low fidelity— describes the technology of the equipment, not what the learner learns with it. It is also a scale that is not objective: two people classify the same simulator differently, and neither of them is wrong, because there is no criterion that separates them.

Worse: it leads to buying by specification. A centre ends up with an underused high-fidelity simulator and without the task trainers it needed for the practice hours. The equipment is right; the question that led to it is not.

What the framework proposes

Reverse the order. First define which competency is to be trained; from there the modality follows, and from the modality the equipment. Fidelity stops being an axis of classification and becomes a consequence: an ultra-realism scenario is faithful because what it trains demands it, not because fidelity is a value in itself.

That gives five modalities defined by their learning objective, plus a sixth category for the anatomical understanding models, which do not train a procedure but build the mental map the other five rest on. Keeping it separate is what stops a take-apart heart and a birthing simulator being measured with the same yardstick.

Four axes, not a tree

An item does not live in a folder: it has a value on each axis, and you reach it through any of the four.

  1. 4

    Segment

    Who is being trained. The learner’s professional field, at undergraduate or postgraduate level.

  2. 6

    Modality

    How the training is done. Defined by the learning objective, not by the technology of the equipment.

  3. 52

    Specialty

    Which clinical area, plus the veterinary field.

  4. 175

    Procedure

    Which specific technique. This is the way in for those who already know what they are looking for.

One item, one value on each axis

Laparoscopy trainer= Medicine× Task trainer× General surgery× Laparoscopy

You reach it through any of the four. Those who know which technique they want to train come in by procedure; those setting up a classroom come in by modality; those coming from a university come in by segment or by specialty. All four paths lead to the same place, and none of them is the main one.

How it is used in practice

The modality is the first question, not the last. Before looking at any catalogue, define which competency is to be trained; the modality follows from the objective, and the equipment from the modality. If the answer to “what do we want the learner to be able to do when they leave?” is not clear, no catalogue is going to clear it up.

Not sure which modality you need?

Tell us what you want the learner to achieve and we'll propose the modality, the teaching strategy and the equipment behind it.

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