Does simulator practice transfer to the real scanner?

What the research shows about learning MRI, CT and X-ray on simulators, mapped to Kirkpatrick's levels: strong gains in knowledge and skills, some transfer to real tasks, and a gap on patient outcomes.

By the ScanFlo Editorial Team · Updated 3 October 2026

In this section · Simulation

Simulator practice reliably improves knowledge and simulated skills, and the best radiography studies show some transfer to positioning on a real model weeks later. What nobody has yet shown for CT or MRI is a change in how technologists scan real patients. Treat a simulator as preparation that makes supervised scanner time more productive, not as a replacement for it.

609

studies in the largest simulation meta-analysis

1.20

effect size for knowledge vs no training

0.50

effect size for direct effects on patients

CT or MRI studies we found measuring real-scanner performance

Sources: Cook et al., JAMA (2011); our own literature search, October 2026.

How do you judge whether training transfers?

With Kirkpatrick's four levels. Most simulation research stops at the second.

Kirkpatrick's levels, and where radiography evidence reaches

STEP 01
1 · Reaction
Did learners find it useful? Many radiography surveys.
STEP 02
2 · Learning
Knowledge, skill, confidence. Most RCTs, including MRI and VR positioning.
STEP 03
3 · Behaviour
Do they perform it at work? A few studies on real models or OSCEs.
STEP 04
4 · Results
Patient or service outcomes. No radiography simulator study yet.

Level definitions from Kirkpatrick Partners. Placing each study on a level is our own reading, not the authors'.

What does the radiography evidence show?

Gains in simulated and model-based tasks, with honest limits on duration and scope.

Key radiography and MRI simulation studies
Study	Design	What it found	Limit
MRI simulator, Sensors 2021	60 students, randomised, pre/post	Practical score higher with the simulator (d = 0.68); no difference on theory	One day; no real-scanner test
VR positioning, 2019	76 students, randomised	36%, 11% and 23% better on three hand-positioning measures on a real model at 3 weeks	One examination type
VR vs physical, 2023	188 students, matched groups, OSCE with actors	Faster, fewer positioning errors with VR; exposure errors no different	Same vendor's software
Simulated placement, 2020	29 therapy radiography students, randomised	Scores within 3%; communication over 10% higher with simulation	Small sample
CT simulator, 5 hours	60 students, survey	Transfer felt stronger when the placement scanner resembled the simulator	Perceptions only

VR-trained vs role-play-trained students, hand positioning on a real model

Digit separation

+36%

Central ray positioning

+23%

Palm flatness

+11%

Tested three weeks after training. Source: Sapkaroski et al., Simulation in Healthcare, 2019.

This study has the obvious limitation of a short range evaluation, built on the basis of a one-day experience, so our formal conclusions do not carry over to long-term simulation-based training.

Treceño-Fernández and colleagues, authors of the MRI simulator study, Sensors, 2021. Source

The reviews agree on the gap. A review of 663 articles on CT and MRI simulation found its educational validation "has not been fully assessed through rigorous academic assessments and metrics" (Chaka and Hardy, 2021), and a 2025 systematic review of VR in radiography concluded that "VR alone does not guarantee increased performance and confidence in students" (Gårdling et al., 2025). One X-ray simulator was validated only by 18 professionals rating its realism, with its teaching potential left for future work (Sujar et al., 2021).

What does the wider healthcare evidence say?

Across health professions, simulation shows large effects on knowledge and skills and smaller, still positive, effects on patients.

Pooled effect sizes, simulation training vs no intervention

Knowledge118 studies

1.20

Process skills426 studies

1.09

Other behaviours50 studies

0.81

Direct effects on patients32 studies

0.50

Large heterogeneity in all analyses, and the comparison is with no training at all. Source: Cook et al., JAMA, 2011.

Against traditional teaching

Simulation with deliberate practice beat traditional clinical education with an effect size of 0.71 across 14 studies (McGaghie et al., 2011).

Patient outcomes

Against other instruction, the patient-outcome effect was 0.36 with a confidence interval crossing zero (Zendejas et al., 2013).

VR is not automatically better

Whether immersive VR beats computer-based CT simulation is still debated (Taylor et al., 2023).

How to make simulator practice transfer

Make the simulator resemble the scanner, practise deliberately with feedback, and assess on a real task afterwards.

Design choices the evidence supports

Match the console

Students trust transfer more when the simulator looks like the scanner they will meet.

Deliberate practice

Repeated, focused attempts with feedback, not one demonstration.

One outcome per session

Brief, practise, debrief, measure.

Assess on a real task

An OSCE, a model, or a supervised scan soon after training.

Simulation‐based education (SBE) is now an accepted pedagogical approach to support the transition to clinical practice.

Naomi Shiner, radiography educator, Journal of Medical Radiation Sciences, 2023. Source

The evidence India is missing

We found no published trial of simulator training for Indian B.Sc. MRIT or radiography students. A college that runs pre- and post-tests or OSCE stations around its simulator sessions, and publishes the results, would add something the literature does not have.

Try it on the console

Pair the simulator with a real task

ScanFlo lets faculty assign the same MRI or CT station to a whole batch and see who completed it, before students meet the scanner.

See ScanFlo for colleges →

Frequently asked questions

Has any study measured radiographers on a real scanner after simulator training?

Not that we could find for CT or MRI. The closest radiography evidence tests positioning on a real patient model three weeks after VR training, and an OSCE with actors in a physical X-ray room. Transfer to real patient scans remains the gap in the literature.

What is Kirkpatrick's model?

A four-level way of judging training: reaction (did learners like it), learning (did they gain knowledge, skill or confidence), behaviour (do they do it at work) and results (did outcomes change). Most simulation studies in radiography stop at levels one and two.

Is VR better than a screen-based simulator?

Unclear. A 2025 systematic review concluded VR alone does not guarantee better performance or confidence, and a 2023 review said it is still debated whether immersive VR beats computer-based CT simulation.

Does the simulator need to look like the hospital's scanner?

It helps students believe their learning transfers. In a CT simulator study, students whose placement scanner resembled the simulator were more likely to think their learning was transferable, though confidence gains did not depend on the scanner.

Should a college publish its own simulator results?

Yes. Pre- and post-tests, OSCE scores and placement supervisor ratings from your own students are exactly the evidence the field is short of, especially from India.

Sources

Every figure on this page links back to one of these.

← PET-CT simulators MRI physics: protons to pictures →